# 12 Best Gradium Speech-to-Text Alternatives (2026)

> 12 verified Gradium Speech-to-Text alternatives in Speech-to-text APIs, led by Amazon Transcribe. Compared on real production cost and per-use-case verdicts.

Gradium Speech-to-Text is cloud stt api with real-time websocket streaming, semantic vad turn detection, and live translation across 5 languages.. Teams that switch usually cite price at production volume, streaming latency for live agents, self-hosting and license control. The alternatives below are ranked by published head-to-head verdicts, not sponsorship.

On our facts, Gradium Speech-to-Text is the 40th-widest language coverage of 43 - the kind of gap teams cite when they go looking.

## Where to switch, by reason

| Switching because of | See |
| --- | --- |
| price at production volume | [Azure AI Speech (STT)](https://www.versusref.com/stt/best/developers/) |
| streaming latency for live agents | [Cartesia Ink](https://www.versusref.com/stt/best/voice-agents/) |
| self-hosting and license control | [Mistral Voxtral Transcribe](https://www.versusref.com/stt/best/self-hosted/) |
| dictation | [Moonshine](https://www.versusref.com/stt/best/dictation/) |
| medical | [AssemblyAI](https://www.versusref.com/stt/best/medical/) |

## The Gradium Speech-to-Text alternatives, ranked

| # | Tool | Positioning | vs Gradium Speech-to-Text | Best if you need | Price | Rating |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [Amazon Transcribe](https://www.versusref.com/stt/tools/amazon-transcribe/) | AWS-native STT API with deep AWS ecosystem integration and compliance coverage | vs Gradium Speech-to-Text: ~23× the languages. |  | See pricing |  |
| 2 | [Aqua Voice](https://www.versusref.com/stt/tools/aqua-voice/) | AI-native system-wide dictation (YC W24) with a developer speech API (Avalon) | vs Gradium Speech-to-Text: ~10× the languages. |  | From $8/mo |  |
| 3 | [AssemblyAI](https://www.versusref.com/stt/tools/assemblyai/) | Accuracy-led voice AI API for developers and voice agents | vs Gradium Speech-to-Text: ~20× the languages. |  | See pricing |  |
| 4 | [Azure AI Speech (STT)](https://www.versusref.com/stt/tools/azure-speech/) | Enterprise-grade STT inside the Azure cloud ecosystem | vs Gradium Speech-to-Text: ~30× the languages. |  | From $1,600/mo |  |
| 5 | [Cartesia Ink](https://www.versusref.com/stt/tools/cartesia-ink/) | Streaming STT for voice agents with native turn detection | vs Gradium Speech-to-Text: ~20× the languages. |  | From $5/mo |  |
| 6 | [Cohere Transcribe](https://www.versusref.com/stt/tools/cohere-transcribe/) | Enterprise-grade open ASR for accurate batch transcription | vs Gradium Speech-to-Text: ~3× the languages. |  | See pricing |  |
| 7 | [Deepgram](https://www.versusref.com/stt/tools/deepgram/) | Developer-first realtime STT API for voice agents and transcription at scale | vs Gradium Speech-to-Text: ~10× the languages. |  | See pricing |  |
| 8 | [DeepInfra (ASR)](https://www.versusref.com/stt/tools/deepinfra-stt/) | Low-cost hosted ASR inference |  |  | See pricing |  |
| 9 | [Distil-Whisper](https://www.versusref.com/stt/tools/distil-whisper/) (OSS) | Distilled Whisper: near-Whisper accuracy at a fraction of the size and up to 6x the speed, English-only, MIT-licensed | vs Gradium Speech-to-Text: about half the languages. |  | See pricing |  |
| 10 | [ElevenLabs Scribe](https://www.versusref.com/stt/tools/elevenlabs-scribe/) | Accuracy-led STT API from the leading AI audio company | vs Gradium Speech-to-Text: ~18× the languages. |  | From $6/mo |  |
| 11 | [faster-whisper / whisper.cpp](https://www.versusref.com/stt/tools/faster-whisper/) (OSS) | The de facto local Whisper runtimes: faster-whisper (Python/CTranslate2) and whisper.cpp (C/C++) | vs Gradium Speech-to-Text: ~20× the languages. |  | See pricing |  |
| 12 | [FunASR / SenseVoice (Alibaba)](https://www.versusref.com/stt/tools/funasr/) (OSS) | Open-source industrial ASR toolkit |  |  | See pricing |  |
| 13 | [Gladia](https://www.versusref.com/stt/tools/gladia/) | EU-based real-time and batch STT API built on the Solaria models | vs Gradium Speech-to-Text: ~20× the languages. |  | See pricing |  |
| 14 | [Google Cloud Speech-to-Text](https://www.versusref.com/stt/tools/google-stt/) | Hyperscaler STT API with Chirp foundation models and enterprise compliance | vs Gradium Speech-to-Text: ~25× the languages. |  | See pricing |  |
| 15 | [OpenAI gpt-4o-transcribe](https://www.versusref.com/stt/tools/gpt-4o-transcribe/) | Flagship GPT-4o based transcription API from OpenAI | vs Gradium Speech-to-Text: ~11× the languages. |  | See pricing |  |
| 16 | [xAI Grok Speech-to-Text](https://www.versusref.com/stt/tools/grok-stt/) | Low-cost hosted STT API on the Grok stack | vs Gradium Speech-to-Text: ~5× the languages. |  | See pricing |  |
| 17 | [Groq (hosted Whisper)](https://www.versusref.com/stt/tools/groq-whisper/) | Ultra-fast, low-cost hosted Whisper transcription API (no realtime streaming) | vs Gradium Speech-to-Text: ~20× the languages. |  | See pricing |  |
| 18 | [Handy](https://www.versusref.com/stt/tools/handy/) | Private local-first open-source dictation | vs Gradium Speech-to-Text: ~20× the languages. |  | See pricing |  |
| 19 | [IBM watsonx Speech to Text](https://www.versusref.com/stt/tools/ibm-watson-stt/) | Enterprise cloud STT API | vs Gradium Speech-to-Text: ~3× the languages. |  | See pricing |  |
| 20 | [JigsawStack Speech-to-Text](https://www.versusref.com/stt/tools/jigsawstack-stt/) | Whisper-based STT endpoint inside an indie all-in-one small-model AI API platform | vs Gradium Speech-to-Text: ~20× the languages. |  | From $27/mo |  |
| 21 | [Kyutai STT](https://www.versusref.com/stt/tools/kyutai-stt/) (OSS) | Streaming-first open STT for self-hosted voice agents | vs Gradium Speech-to-Text: about half the languages. |  | See pricing |  |
| 22 | [Lemonfox.ai](https://www.versusref.com/stt/tools/lemonfox/) | Cheapest hosted Whisper large-v3 API for batch transcription | vs Gradium Speech-to-Text: ~20× the languages. |  | From $5/mo |  |
| 23 | [MacWhisper](https://www.versusref.com/stt/tools/macwhisper/) | Local-first macOS transcription and dictation app with one-time Pro pricing | vs Gradium Speech-to-Text: ~20× the languages. |  | See pricing |  |
| 24 | [Microsoft MAI-Transcribe](https://www.versusref.com/stt/tools/mai-transcribe/) | Frontier-lab accuracy STT delivered through Azure Speech | vs Gradium Speech-to-Text: ~9× the languages. |  | See pricing |  |
| 25 | [Monologue](https://www.versusref.com/stt/tools/monologue/) | Context-aware Apple dictation by Every | vs Gradium Speech-to-Text: ~20× the languages. |  | From $14.99/mo |  |
| 26 | [Moonshine](https://www.versusref.com/stt/tools/moonshine/) (OSS) | On-device streaming STT for live voice interfaces, from tiny edge models to Whisper Large v3-beating accuracy | vs Gradium Speech-to-Text: ~60% more languages. |  | See pricing |  |
| 27 | [NVIDIA Parakeet / Riva](https://www.versusref.com/stt/tools/nvidia-parakeet/) | Open-weights, GPU-accelerated self-hosted STT stack | vs Gradium Speech-to-Text: ~5× the languages. |  | See pricing |  |
| 28 | [Picovoice (Leopard / Cheetah)](https://www.versusref.com/stt/tools/picovoice/) | Private, on-device STT SDK for apps and edge devices | vs Gradium Speech-to-Text: ~60% more languages. |  | See pricing |  |
| 29 | [Qwen3-ASR](https://www.versusref.com/stt/tools/qwen3-asr/) (OSS) | Open-weights multilingual ASR models | vs Gradium Speech-to-Text: ~10× the languages. |  | See pricing |  |
| 30 | [Rev AI](https://www.versusref.com/stt/tools/rev/) | Transcription-heritage STT API with low per-hour pricing and open (non-commercial) Reverb models | vs Gradium Speech-to-Text: ~11× the languages. |  | See pricing |  |
| 31 | [Salad Transcription API](https://www.versusref.com/stt/tools/salad-transcription/) | Ultra-low-cost batch transcription on a community GPU cloud | vs Gradium Speech-to-Text: ~19× the languages. |  | See pricing |  |
| 32 | [Sarvam AI (Saarika / Saaras)](https://www.versusref.com/stt/tools/sarvam-stt/) | Indian-language sovereign speech-to-text API | vs Gradium Speech-to-Text: ~5× the languages. |  | See pricing |  |
| 33 | [sherpa-onnx](https://www.versusref.com/stt/tools/sherpa-onnx/) (OSS) | On-device ASR/TTS runtime for edge and embedded |  |  | See pricing |  |
| 34 | [Smallest.ai Pulse](https://www.versusref.com/stt/tools/smallest-pulse/) | Ultra-low-latency multilingual STT for voice agents | vs Gradium Speech-to-Text: ~8× the languages. |  | See pricing |  |
| 35 | [Soniox](https://www.versusref.com/stt/tools/soniox/) | Ultra-low-cost multilingual STT + real-time translation API | vs Gradium Speech-to-Text: ~12× the languages. |  | See pricing |  |
| 36 | [Speechmatics](https://www.versusref.com/stt/tools/speechmatics/) | Accuracy-first enterprise STT with flexible deployment (SaaS, container, on-prem) | vs Gradium Speech-to-Text: ~11× the languages. |  | See pricing |  |
| 37 | [Superwhisper](https://www.versusref.com/stt/tools/superwhisper/) | AI voice-to-text dictation with context-aware formatting modes | vs Gradium Speech-to-Text: ~20× the languages. |  | From $8.49/mo |  |
| 38 | [Together AI Transcribe](https://www.versusref.com/stt/tools/together-stt/) | Low-cost hosted Whisper STT API | vs Gradium Speech-to-Text: ~10× the languages. |  | See pricing |  |
| 39 | [VoiceInk](https://www.versusref.com/stt/tools/voiceink/) | Open-source, local-first Superwhisper / Wispr Flow alternative with one-time pricing |  |  | See pricing |  |
| 40 | [Vosk](https://www.versusref.com/stt/tools/vosk/) (OSS) | Lightweight offline STT toolkit for edge and embedded devices | vs Gradium Speech-to-Text: ~4× the languages. |  | See pricing |  |
| 41 | [Mistral Voxtral Transcribe](https://www.versusref.com/stt/tools/voxtral/) | Low-cost EU-based transcription API with Apache-2.0 open-weight models | vs Gradium Speech-to-Text: ~2.5× the languages. |  | See pricing |  |
| 42 | [OpenAI Whisper (API)](https://www.versusref.com/stt/tools/whisper/) | Low-cost pay-as-you-go file transcription from OpenAI; no first-party streaming or diarization | vs Gradium Speech-to-Text: ~11× the languages. |  | See pricing |  |
| 43 | [WhisperKit (Argmax)](https://www.versusref.com/stt/tools/whisperkit/) (OSS) | On-device Apple Silicon STT (Whisper) | vs Gradium Speech-to-Text: ~20× the languages. |  | From $1,330/mo |  |
| 44 | [WhisperX](https://www.versusref.com/stt/tools/whisperx/) (OSS) | Whisper + forced alignment + diarization pipeline for accurate word timestamps |  |  | See pricing |  |
| 45 | [Willow Voice](https://www.versusref.com/stt/tools/willow/) | Cross-platform AI dictation with smart formatting and enterprise-grade privacy | vs Gradium Speech-to-Text: ~20× the languages. |  | From $15/mo |  |
| 46 | [Wispr Flow](https://www.versusref.com/stt/tools/wispr-flow/) | System-wide AI voice dictation with auto-editing | vs Gradium Speech-to-Text: ~20× the languages. |  | From $12/mo |  |

## How the top Gradium Speech-to-Text alternatives compare

A closer look at the top 6: each Gradium Speech-to-Text alternative's standing among Speech-to-text APIs peers, its verdict record against Gradium Speech-to-Text, and the trade-offs of leaving.

### 1. Amazon Transcribe

Among the 43 speech-to-text tools we track, Amazon Transcribe has the 3rd-widest language coverage - a fit for multilingual and localization projects.
Seen from the other side, Gradium Speech-to-Text vs Amazon Transcribe: about half the languages.
Amazon Transcribe lists $0.006 per audio-minute (batch), verified July 2026.

Amazon Transcribe cost: Published rates: batch $0.006/min · streaming $0.01/min, verified Jul 20, 2026.

| Monthly volume | Batch bill | Streaming bill |
| --- | --- | --- |
| 1K min/mo | $6 | $10 |
| 10K min/mo | $60 | $100 |
| 100K min/mo | $600 | $1,000 |
[Amazon Transcribe review](https://www.versusref.com/stt/tools/amazon-transcribe/)

### 2. Aqua Voice

Among the 43 speech-to-text tools we track, Aqua Voice has the 28th-widest language coverage.
Before switching, weigh what stays behind - Gradium Speech-to-Text vs Aqua Voice: about half the languages.
Its published rate is $0.0065 per audio-minute (batch), verified July 2026.

Aqua Voice cost: Published rates: batch $0.0065/min · streaming $0.0065/min, verified Jul 20, 2026.

| Monthly volume | Batch bill | Streaming bill |
| --- | --- | --- |
| 1K min/mo | $6.50 | $6.50 |
| 10K min/mo | $65 | $65 |
| 100K min/mo | $650 | $650 |
[Aqua Voice review](https://www.versusref.com/stt/tools/aqua-voice/)

### 3. AssemblyAI

Among the 43 speech-to-text tools we track, AssemblyAI has the 12th-widest language coverage - a fit for multilingual and localization projects.
The reverse angle matters too - Gradium Speech-to-Text vs AssemblyAI: about half the languages.
Published pricing starts at $0.0035 per audio-minute (batch), verified July 2026.

AssemblyAI cost: Published rates: batch $0.0035/min · streaming $0.0075/min, verified Jul 20, 2026.

| Monthly volume | Batch bill | Streaming bill |
| --- | --- | --- |
| 1K min/mo | $3.50 | $7.50 |
| 10K min/mo | $35 | $75 |
| 100K min/mo | $350 | $750 |
[AssemblyAI review](https://www.versusref.com/stt/tools/assemblyai/)

### 4. Azure AI Speech (STT)

Among the 43 speech-to-text tools we track, Azure AI Speech (STT) has the 1st-widest language coverage - a fit for multilingual and localization projects.
The reverse angle matters too - Gradium Speech-to-Text vs Azure AI Speech (STT): about half the languages.
Published pricing starts at $0.003 per audio-minute (batch), verified July 2026.
[Azure AI Speech (STT) review](https://www.versusref.com/stt/tools/azure-speech/)

### 5. Cartesia Ink

Among the 43 speech-to-text tools we track, Cartesia Ink has the 12th-widest language coverage - a fit for multilingual and localization projects.
The reverse angle matters too - Gradium Speech-to-Text vs Cartesia Ink: about half the languages.
[Cartesia Ink review](https://www.versusref.com/stt/tools/cartesia-ink/)

### 6. Cohere Transcribe

Among the 43 speech-to-text tools we track, Cohere Transcribe has the 35th-widest language coverage.
The reverse angle matters too - Gradium Speech-to-Text vs Cohere Transcribe: about half the languages.
[Cohere Transcribe review](https://www.versusref.com/stt/tools/cohere-transcribe/)

Source: https://www.versusref.com/stt/alternatives/gradium-stt/