# 12 Best Deepgram Aura-2 Alternatives (2026)

> 12 verified Deepgram Aura-2 alternatives in Text-to-speech APIs, led by ElevenLabs (from $6/mo). Compared on real production cost and per-use-case verdicts.

Deepgram Aura-2 is a fast, low-cost voice api built for real-time voice agents and call centers, from the same company known for speech-to-text - including options to run it in your own infrastructure.. Teams that switch usually cite price at production volume, language coverage, self-hosting and license control. The alternatives below are ranked by published head-to-head verdicts, not sponsorship.

On our facts, Deepgram Aura-2 is the 33rd-widest language coverage of 46 - the kind of gap teams cite when they go looking.

## Where to switch, by reason

| Switching because of | See |
| --- | --- |
| price at production volume | [Cartesia](https://www.versusref.com/tts/best/developers/) |
| language coverage | [Inworld TTS](https://www.versusref.com/tts/best/dubbing-localization/) |
| self-hosting and license control | [Voxtral TTS](https://www.versusref.com/tts/best/self-hosted/) |
| audiobooks | [Azure Speech](https://www.versusref.com/tts/best/audiobooks/) |
| content creators | [ElevenLabs](https://www.versusref.com/tts/best/content-creators/) |

## The Deepgram Aura-2 alternatives, ranked

| # | Tool | Positioning | vs Deepgram Aura-2 | Best if you need | Price | Rating |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [ElevenLabs](https://www.versusref.com/tts/tools/elevenlabs/) | Premium AI voice platform for creators and developers | vs Deepgram Aura-2: ~33× the stock voices, ~5× the languages, adds instant voice cloning. | audiobooks, content creators, dubbing | From $6/mo |  |
| 2 | [Cartesia](https://www.versusref.com/tts/tools/cartesia/) | Lowest-latency TTS for real-time voice agents | vs Deepgram Aura-2: ~6× the languages, about half the latency, adds instant voice cloning. | content creators, dubbing, voice agents | From $5/mo |  |
| 3 | [Amazon Polly](https://www.versusref.com/tts/tools/amazon-polly/) | Cloud-utility TTS at commodity prices | vs Deepgram Aura-2: ~6× the languages, ~75% cheaper. |  | See pricing |  |
| 4 | [Azure Speech](https://www.versusref.com/tts/tools/azure-speech/) | Enterprise hyperscaler TTS with custom-voice depth | vs Deepgram Aura-2: ~14× the languages, ~25% cheaper, adds instant voice cloning. |  | From $960/mo |  |
| 5 | [CAMB.AI](https://www.versusref.com/tts/tools/camb-ai/) | Localization-first TTS: the MARS 8 family (flash/pro/instruct variants) plus dubbing and translated-TTS pipelines, credit-based plans from $5/mo, aimed at media, sports, and content going multilingual. | vs Deepgram Aura-2: ~20× the languages, adds instant voice cloning. |  | From $5/mo |  |
| 6 | [Chatterbox](https://www.versusref.com/tts/tools/chatterbox/) (OSS) | Production-minded open TTS from a commercial voice company - MIT license, built-in watermarking, and a fast Turbo variant, with Resemble's paid API as the scale-up path. | vs Deepgram Aura-2: ~3× the languages, adds instant voice cloning. |  | See pricing |  |
| 7 | [ChatTTS](https://www.versusref.com/tts/tools/chattts/) (OSS) | Optimized for natural dialogue-style speech for LLM assistants; the licensing combination (AGPLv3+ code, CC BY-NC 4.0 weights, research/education only) rules out most commercial SaaS use without a separate deal. | vs Deepgram Aura-2: about half the languages. |  | See pricing |  |
| 8 | [CosyVoice](https://www.versusref.com/tts/tools/cosyvoice/) (OSS) | Full-stack open TTS from Alibaba's speech team: 9 languages plus 18+ Chinese dialects, 150 ms streaming latency claim, instruction control of emotion/dialect/speed, and training + deployment scripts under Apache-2.0. | vs Deepgram Aura-2: ~30% more languages, adds instant voice cloning. |  | See pricing |  |
| 9 | [Dia / Dia2](https://www.versusref.com/tts/tools/dia/) (OSS) | Best-known open model for scripted two-speaker dialogue rather than narration - Apache-2.0, English-only, GPU-oriented. | vs Deepgram Aura-2: about half the languages, adds instant voice cloning. |  | See pricing |  |
| 10 | [F5-TTS](https://www.versusref.com/tts/tools/f5-tts/) (OSS) | The go-to research-grade voice-cloning model - actively maintained and broadly ported, with the classic code-vs-weights license split: commercial products must retrain or license around the CC-BY-NC checkpoints. | vs Deepgram Aura-2: adds instant voice cloning. |  | See pricing |  |
| 11 | [Fish Audio](https://www.versusref.com/tts/tools/fish-audio/) | Developer-first hosted API from the team behind the open-source fish-speech models; simple prepaid pay-as-you-go billing, 80+ language coverage, and a free fair-use model tier (s2.1-pro-free). Facts here cover the hosted API, not the OSS model. | vs Deepgram Aura-2: ~12× the languages, about half the price, adds instant voice cloning. |  | See pricing |  |
| 12 | [Fish Speech](https://www.versusref.com/tts/tools/fish-speech/) (OSS) | Top-tier expressive multilingual open-weights TTS whose license moved from permissive to research/non-commercial; commercial use requires a license from Fish Audio or their hosted API. | vs Deepgram Aura-2: ~11× the languages, adds instant voice cloning. |  | See pricing |  |
| 13 | [Google Cloud TTS](https://www.versusref.com/tts/tools/google-tts/) | Hyperscaler TTS with the broadest voice/language catalog | vs Deepgram Aura-2: ~11× the languages, ~4× the stock voices, adds instant voice cloning. |  | See pricing |  |
| 14 | [GPT-SoVITS](https://www.versusref.com/tts/tools/gpt-sovits/) (OSS) | The de facto community standard for DIY voice cloning (60k GitHub stars), with a full WebUI covering dataset prep, ASR, training, and inference across five languages; MIT-licensed. | vs Deepgram Aura-2: ~30% fewer languages, adds instant voice cloning. |  | See pricing |  |
| 15 | [Gradium](https://www.versusref.com/tts/tools/gradium/) | Real-time voice-agent infrastructure play: WebSocket-first streaming TTS in 5 European languages with instant cloning, on-device models (Phonon), and credit-based pricing. Active and well-funded (site announced funding extension to $100M, July 2026). | vs Deepgram Aura-2: ~30% fewer languages, ~25% fewer stock voices, adds instant voice cloning. |  | From $13/mo |  |
| 16 | [Grok TTS](https://www.versusref.com/tts/tools/grok-tts/) | Usage-priced hosted TTS from xAI, part of the Grok Voice stack (TTS, STT, and a speech-to-speech Voice Agent API), aimed at developers who want low-latency voice output alongside Grok models. | vs Deepgram Aura-2: ~3× the languages, about half the stock voices, adds instant voice cloning. |  | See pricing |  |
| 17 | [Higgs Audio](https://www.versusref.com/tts/tools/higgs-audio/) (OSS) | Strong emotional/expressive open TTS from a well-funded lab - but 'Apache-2.0' only covers the repo code; V2 weights carry a 100k-MAU community license and the newer V3 is research/non-commercial. | vs Deepgram Aura-2: adds instant voice cloning. |  | See pricing |  |
| 18 | [Hume Octave TTS](https://www.versusref.com/tts/tools/hume-octave/) | Expressiveness-first TTS (Octave understands the meaning of the text it speaks); subscription plans gate commercial use, with Octave 2 (preview) adding ~100ms latency and 11 languages for realtime use. | vs Deepgram Aura-2: ~55% more languages, about half the latency, adds instant voice cloning. |  | From $3/mo |  |
| 19 | [IndexTTS-2](https://www.versusref.com/tts/tools/index-tts/) (OSS) | Emotion-controllable zero-shot voice cloning for production use, but under a custom Bilibili license (not OSI-approved) with scale caps and AI-training restrictions. | vs Deepgram Aura-2: about half the languages, adds instant voice cloning. |  | See pricing |  |
| 20 | [Inworld TTS](https://www.versusref.com/tts/tools/inworld-tts/) | Cost-leader realtime TTS for voice agents and games; hybrid pay-as-you-go plus monthly credit plans that lower the per-1M-character rate as commitment grows; SOC 2 Type II with zero-data-retention posture. | vs Deepgram Aura-2: ~29× the languages, ~15% cheaper, adds instant voice cloning. |  | From $25/mo |  |
| 21 | [KittenTTS](https://www.versusref.com/tts/tools/kitten-tts/) (OSS) | The lightweight/edge option: ONNX inference, sub-100 MB downloads, 8 built-in voices - trades voice cloning and multilinguality for footprint. | vs Deepgram Aura-2: about half the languages, no streaming audio output. |  | See pricing |  |
| 22 | [Kokoro](https://www.versusref.com/tts/tools/kokoro/) (OSS) | The lightweight quality-per-parameter champion of open TTS: Apache-2.0, easy to run anywhere, no voice cloning by design. | vs Deepgram Aura-2: ~15% more languages, no streaming audio output. |  | See pricing |  |
| 23 | [Kyutai TTS](https://www.versusref.com/tts/tools/kyutai-tts/) (OSS) | Research-lab open TTS optimized for real-time streaming (Delayed Streams Modeling); Pocket TTS targets on-device/CPU deployment while the larger DSM TTS targets production streaming servers (Rust backend). | vs Deepgram Aura-2: about half the languages, adds instant voice cloning. |  | See pricing |  |
| 24 | [LMNT](https://www.versusref.com/tts/tools/lmnt/) | Speed-and-affordability challenger: a single fast model (Blizzard 2) with streaming-first APIs, unlimited voice clones on every tier, and flat subscription pricing with per-1K overage. | vs Deepgram Aura-2: ~4× the languages, ~25% faster, adds instant voice cloning. |  | From $10/mo |  |
| 25 | [Maya1](https://www.versusref.com/tts/tools/maya1/) (OSS) | Apache 2.0 expressive English TTS you can run on a single 16GB+ GPU; stands out for natural-language voice design and 20+ inline emotion tags rather than audio-sample cloning, with real-time streaming via vLLM. | vs Deepgram Aura-2: about half the languages. |  | See pricing |  |
| 26 | [MegaTTS3](https://www.versusref.com/tts/tools/megatts3/) (OSS) | Research-grade Apache-2.0 TTS whose practical cloning is gated: the WaveVAE encoder is not released, so users must submit audio to ByteDance channels to obtain pre-extracted speaker latents (.npy) for cloning. | vs Deepgram Aura-2: about half the languages, adds instant voice cloning. |  | See pricing |  |
| 27 | [MiniMax Speech](https://www.versusref.com/tts/tools/minimax-speech/) | Multilingual cloning-first TTS with aggressive pricing | vs Deepgram Aura-2: ~6× the languages, ~300% pricier, adds instant voice cloning. |  | From $5/mo |  |
| 28 | [Murf API](https://www.versusref.com/tts/tools/murf/) | API arm of the Murf studio platform: 150+ voices in 35 languages, SSML support, word timestamps, and Falcon 2 aimed at high-concurrency voice agents at $0.01/1K characters. Note: Murf Studio subscription plans (murf.ai/pricing) are a separate product from API pay-as-you-go pricing and API characters are purchased separately. | vs Deepgram Aura-2: ~5× the languages, ~65% more stock voices. |  | See pricing |  |
| 29 | [Narakeet](https://www.versusref.com/tts/tools/narakeet/) | Indie batch-content workhorse: aggregates a very broad voice/language catalog for voiceovers, audiobooks and video narration, priced per output minute (prepaid packs, no subscription) rather than per character; not aimed at real-time agent use. | vs Deepgram Aura-2: ~14× the languages, ~10× the stock voices. |  | See pricing |  |
| 30 | [Neuphonic](https://www.versusref.com/tts/tools/neuphonic/) | Hybrid hosted + open-weights play: SSE/WebSocket streaming TTS API at app.neuphonic.com, and tiny CPU-only on-device models (NeuTTS-Air ~360M Apache-2.0, NeuTTS-Nano ~120M) in GGUF for phones/Raspberry Pi - privacy/edge-deployment angle. NOTE: the site's pricing page returned 404 at verification time; hosted-plan pricing treated as not published. | vs Deepgram Aura-2: adds instant voice cloning. |  | See pricing |  |
| 31 | [NVIDIA Magpie TTS](https://www.versusref.com/tts/tools/nvidia-magpie/) (OSS) | A small, GPU-efficient 9-language TTS checkpoint for teams already in the NVIDIA NeMo/Riva ecosystem; commercially usable open weights, but zero-shot voice cloning was removed from the open release and it caps generations at about 20 seconds. | vs Deepgram Aura-2: ~30% more languages, no streaming audio output. |  | See pricing |  |
| 32 | [OpenAI TTS](https://www.versusref.com/tts/tools/openai-tts/) | Simple usage-based TTS inside a general AI platform | vs Deepgram Aura-2: about half the stock voices. |  | See pricing |  |
| 33 | [Orpheus TTS](https://www.versusref.com/tts/tools/orpheus/) (OSS) | The 'LLM-as-TTS' approach under Apache-2.0 - expressive and clonable, but repo activity has slowed since mid-2025. | vs Deepgram Aura-2: ~15% more languages, adds instant voice cloning. |  | See pricing |  |
| 34 | [OuteTTS](https://www.versusref.com/tts/tools/outetts/) (OSS) | The llama.cpp-native option: runs via GGUF on CUDA/ROCm/Vulkan/Metal and even in the browser (Transformers.js). License splits by model: the 0.6B (Qwen3-based) is Apache-2.0, the 1B Llama-based flagship is CC-BY-NC-SA-4.0 (non-commercial). | vs Deepgram Aura-2: ~3× the languages, adds instant voice cloning. |  | See pricing |  |
| 35 | [Piper](https://www.versusref.com/tts/tools/piper/) (OSS) | The pragmatic embedded/self-hosted choice: no cloning or frills, just quick offline speech in many languages - note the license change from MIT (archived rhasspy/piper) to GPL-3.0 in the successor repo. | vs Deepgram Aura-2: no streaming audio output. |  | See pricing |  |
| 36 | [Qwen3-TTS](https://www.versusref.com/tts/tools/qwen3-tts/) (OSS) | Genuinely open weights (confirmed - not API-only since the Jan 2026 release): Apache-2.0 checkpoints on Hugging Face with an Alibaba Cloud DashScope API for hosted use. | vs Deepgram Aura-2: ~45% more languages, adds instant voice cloning. |  | See pricing |  |
| 37 | [Resemble AI](https://www.versusref.com/tts/tools/resemble/) | Security-first enterprise play: generation plus detection/verification in one platform, pay-as-you-go Flex credits, on-prem option, and the MIT-licensed open-source Chatterbox model family. | vs Deepgram Aura-2: adds instant voice cloning. |  | See pricing |  |
| 38 | [Rime](https://www.versusref.com/tts/tools/rime/) | Enterprise conversational TTS (IVR, contact centers, voice agents) emphasizing ultra-low latency models (Coda, Mist, Arcana) and self-hosted deployment; usage-based pricing with a single published rate. | vs Deepgram Aura-2: ~7× the languages, ~7× the stock voices. |  | See pricing |  |
| 39 | [Sarvam AI Bulbul](https://www.versusref.com/tts/tools/sarvam-bulbul/) | The go-to hosted TTS for Indian-language products (Hindi, Tamil, Telugu, Bengali and more) with REST, HTTP streaming and WebSocket APIs and prepaid INR pricing; not aimed at global multilingual coverage. | vs Deepgram Aura-2: about half the stock voices, ~55% more languages. |  | See pricing |  |
| 40 | [Smallest.ai Waves](https://www.versusref.com/tts/tools/smallest-ai/) | Speed- and price-led challenger from an India-focused voice AI startup; Waves is the speech-model API layer (Lightning TTS, Pulse STT), sold pay-as-you-go with $10 free credits, with HIPAA/SOC2/on-prem reserved for the Enterprise plan. | vs Deepgram Aura-2: ~2× the languages, about half the latency, adds instant voice cloning. |  | See pricing |  |
| 41 | [Speechify API](https://www.versusref.com/tts/tools/speechify-api/) | Developer platform spun out of the Speechify brand: transparent tiered pricing ($10-$499/mo plus per-1M overage), streaming-native Simba 3.2, and a bundled voice-agents product with flat per-minute rates. | vs Deepgram Aura-2: ~4× the languages, ~65% cheaper, adds instant voice cloning. |  | From $10/mo |  |
| 42 | [Speechmatics TTS](https://www.versusref.com/tts/tools/speechmatics-tts/) | Budget low-latency English TTS for voice agents; priced at a fraction of premium voice APIs, but currently English-only with a small voice set and no SSML or voice cloning. | vs Deepgram Aura-2: about half the stock voices, about half the languages. |  | See pricing |  |
| 43 | [Step-Audio](https://www.versusref.com/tts/tools/step-audio/) (OSS) | Differentiates on iterative audio *editing* (emotion, style, breathing, laughter, sighs, polyphone pinyin control) rather than plain synthesis; Apache-2.0 with training code (SFT/DPO/GRPO) and vLLM support. | vs Deepgram Aura-2: ~15% fewer languages, adds instant voice cloning. |  | See pricing |  |
| 44 | [Supertone API](https://www.versusref.com/tts/tools/supertone/) | Expressive character voices (games, content, Korean/Japanese/English markets first, now 31 languages via Supertonic 3) on cheap credit-based subscriptions from $2.99/month; uniquely pairs the hosted API with the open OpenRAIL-M Supertonic model for on-device synthesis. | vs Deepgram Aura-2: ~4× the languages, ~2× the stock voices, adds instant voice cloning. |  | From $2.99/mo |  |
| 45 | [Typecast](https://www.versusref.com/tts/tools/typecast/) | Expressiveness play from a Korean AI-actor studio: strongest on emotion prompts/presets and character voices for content and conversational AI; separate consumer studio subscription ($8.99+) and developer API plans (Free/Lite/Plus). | vs Deepgram Aura-2: ~6× the stock voices, ~5× the languages, adds instant voice cloning. |  | From $15/mo |  |
| 46 | [Unreal Speech](https://www.versusref.com/tts/tools/unreal-speech/) | Pure price play: markets itself as up to 11x cheaper than ElevenLabs with a simple 3-endpoint API (stream/speech/synthesisTasks); smaller voice/language catalog and no voice cloning documented. | vs Deepgram Aura-2: ~50% slower, about half the stock voices. |  | From $49/mo |  |
| 47 | [VibeVoice](https://www.versusref.com/tts/tools/vibevoice/) (OSS) | The open long-form/multi-speaker specialist - MIT weights, but Microsoft pulled the TTS code from the repo in Sept 2025 and frames the models as research-only. | vs Deepgram Aura-2: about half the languages. |  | See pricing |  |
| 48 | [Voxtral (open weights)](https://www.versusref.com/tts/tools/voxtral-open/) (OSS) | A frontier-lab open-weight TTS you can run on a single 16GB GPU; the CC BY-NC license makes it evaluation/research-only, with Mistral's paid API as the commercial route. | vs Deepgram Aura-2: ~30% more languages, adds instant voice cloning. |  | See pricing |  |
| 49 | [Voxtral TTS](https://www.versusref.com/tts/tools/voxtral-tts/) | Open-weights-friendly voice cloning TTS from a frontier AI lab | vs Deepgram Aura-2: ~65% faster, about half the price, adds instant voice cloning. |  | See pricing |  |
| 50 | [WellSaid](https://www.versusref.com/tts/tools/wellsaid/) | Enterprise voiceover specialist: polished Studio product for L&D/marketing narration with an API on the side; API pricing is contact-sales, and compliance (SOC 2 Type II, GDPR) and ethical voice sourcing are the pitch. |  |  | From $10/mo |  |
| 51 | [XTTS v2 (Coqui)](https://www.versusref.com/tts/tools/xtts/) (OSS) | The legacy standard for open voice cloning: dormant upstream since Coqui's Jan 2024 shutdown (community fork idiap/coqui-ai-TTS carries maintenance), and CPML weights bar commercial use. | vs Deepgram Aura-2: ~2.5× the languages, adds instant voice cloning. |  | See pricing |  |

## How the top Deepgram Aura-2 alternatives compare

Beyond the ranked cards: how the top 6 Deepgram Aura-2 alternatives place in the Text-to-speech APIs field, where each one wins in our published verdicts, and what Deepgram Aura-2 still holds over it.

### 1. ElevenLabs

Among the 15 text-to-speech tools we track, ElevenLabs has the 1st-largest voice library and the 2nd-fastest time-to-first-byte - a fit for content and character work and real-time, conversational apps.
Our use-case verdicts have ElevenLabs ahead of Deepgram Aura-2 for audiobooks, content creators and dubbing.
Seen from the other side, Deepgram Aura-2 vs ElevenLabs: ~165% slower, about half the stock voices, no instant voice cloning.
ElevenLabs lists $100 per 1M characters, verified July 2026.

**Why teams switch (Content Creators):** For content creators, voice variety and quality controls dominate. ElevenLabs offers 3,000 voices versus Deepgram's 90 (facts 27eafdf8, 75bdebb9), plus instant and professional voice cloning that Deepgram lacks entirely (a4f3e934, a7891da9). ElevenLabs also adds emotion and style controls (3826109c), SSML support (32b8b04c), and pronunciation dictionaries (9954a5e9), all absent in Deepgram. Its hybrid subscription model with a $6/mo entry tier (ccc5d6e9) suits predictable budgeting. Deepgram's lower per-character cost matters less here since API throughput is not the bottleneck for voiceover workflows. [Content Creators verdict](https://www.versusref.com/tts/deepgram-aura-vs-elevenlabs/)

**Overall verdict:** Use case wins split evenly at 3-3. Deepgram wins on price ($30 vs. $100 per 1M chars for flagship tiers), concurrency (45 concurrent requests vs. 4 on the base plan), and self-hosting. ElevenLabs wins on voice breadth (3,000 voices vs. 90), language count (32 vs. 7), voice cloning, and creative richness. Neither is a clear default for most buyers: developer and infrastructure teams lean toward Deepgram, while content and localization teams lean toward ElevenLabs.

ElevenLabs cost: Usage-priced at $100 per 1M characters (≈ $0.095 per audio-minute), verified Jul 20, 2026.

| Monthly volume | $ / 1M chars | $ / audio-min | Monthly bill |
| --- | --- | --- | --- |
| 200K chars/mo | $100 | $0.095 | $20 |
| 2M chars/mo | $100 | $0.095 | $200 |
| 20M chars/mo | $100 | $0.095 | $2,000 |
[Full ElevenLabs vs Deepgram Aura-2 comparison](https://www.versusref.com/tts/deepgram-aura-vs-elevenlabs/) · [ElevenLabs review](https://www.versusref.com/tts/tools/elevenlabs/)

### 2. Cartesia

Among the 46 text-to-speech tools we track, Cartesia has the 9th-widest language coverage and the 3rd-fastest time-to-first-byte - a fit for multilingual and localization projects and real-time, conversational apps.
Our use-case verdicts have Cartesia ahead of Deepgram Aura-2 for content creators, dubbing and voice agents and matches it for self-hosted.
Seen from the other side, Deepgram Aura-2 vs Cartesia: roughly double the latency, about half the languages, no instant voice cloning.

**Why teams switch (Content Creators):** For content creators, voice variety and cloning are critical. Cartesia supports 42 languages versus Deepgram's 7, and offers both instant and professional voice cloning while Deepgram supports neither. Cartesia also provides word-level timestamps and pronunciation dictionaries, which aid production workflows. Deepgram's 90-voice library is fixed with no cloning path. The credit-based subscription model with a $5/mo entry plan suits predictable budgeting. Latency (90 ms vs 200 ms) matters less for offline voiceover work, so Cartesia's advantages in voice flexibility dominate. [Content Creators verdict](https://www.versusref.com/tts/cartesia-vs-deepgram-aura/)

**Overall verdict:** Cartesia Sonic wins 3 of 4 decided use cases. The evidence is clear: Sonic supports 42 languages versus Deepgram's 7, offers both instant and professional voice cloning while Deepgram supports neither, claims 90ms TTFB versus Deepgram's 200ms, and adds word-level timestamps and pronunciation dictionaries that Deepgram lacks. Deepgram edges out on SDK breadth and commercial free-tier use, but those are minor advantages. For most buyers across content, localization, and voice agent workloads, Cartesia is the safer default.

Cartesia cost: Cheapest paid plan $5/mo with 100,000 characters included, verified Jul 20, 2026.

| Monthly volume | $ / 1M chars | $ / audio-min | Monthly bill |
| --- | --- | --- | --- |
| 200K chars/mo | Higher plan | Higher plan | Higher plan |
| 2M chars/mo | Higher plan | Higher plan | Higher plan |
| 20M chars/mo | Higher plan | Higher plan | Higher plan |
[Full Cartesia vs Deepgram Aura-2 comparison](https://www.versusref.com/tts/cartesia-vs-deepgram-aura/) · [Cartesia review](https://www.versusref.com/tts/tools/cartesia/)

### 3. Amazon Polly

Among the 10 text-to-speech tools we track, Amazon Polly has the 1st-cheapest fast-model rate and the 10th-widest language coverage - a fit for multilingual and localization projects.
The reverse angle matters too - Deepgram Aura-2 vs Amazon Polly: ~275% pricier, about half the languages.
Published pricing starts at $30 per 1M characters, verified July 2026.

Amazon Polly cost: Usage-priced at $30 per 1M characters (≈ $0.0285 per audio-minute), verified Jul 20, 2026.

| Monthly volume | $ / 1M chars | $ / audio-min | Monthly bill |
| --- | --- | --- | --- |
| 200K chars/mo | $30 | $0.0285 | $6 |
| 2M chars/mo | $30 | $0.0285 | $60 |
| 20M chars/mo | $30 | $0.0285 | $600 |
[Amazon Polly review](https://www.versusref.com/tts/tools/amazon-polly/)

### 4. Azure Speech

Among the 46 text-to-speech tools we track, Azure Speech has the 3rd-widest language coverage and the 6th-cheapest flagship rate - a fit for multilingual and localization projects and cost-sensitive, high-volume work.
The reverse angle matters too - Deepgram Aura-2 vs Azure Speech: about half the languages, ~35% pricier, no instant voice cloning.
Published pricing starts at $22 per 1M characters, verified July 2026.
[Azure Speech review](https://www.versusref.com/tts/tools/azure-speech/)

### 5. CAMB.AI

Among the 46 text-to-speech tools we track, CAMB.AI has the 2nd-widest language coverage - a fit for multilingual and localization projects.
The reverse angle matters too - Deepgram Aura-2 vs CAMB.AI: about half the languages, no instant voice cloning.
[CAMB.AI review](https://www.versusref.com/tts/tools/camb-ai/)

### 6. Chatterbox

Among the 46 text-to-speech tools we track, Chatterbox has the 18th-widest language coverage.
Before switching, weigh what stays behind - Deepgram Aura-2 vs Chatterbox: about half the languages, adds streaming audio output.
[Chatterbox review](https://www.versusref.com/tts/tools/chatterbox/)

Source: https://www.versusref.com/tts/alternatives/deepgram-aura/