ElevenLabs Agents vs Millis AI
ElevenLabs Agents (Voice-quality leader, agents platform) and Millis AI (Low-latency voice agents) are Voice AI platforms, priced from $0.05/min and $0.02/min respectively. Below: the bottom line, verified head-to-head facts, and real production costs.
ElevenLabs Agents suits latency-sensitive or voice-quality-focused teams: it delivers 75 ms median latency versus 600 ms for Millis AI (facts 13b82148, 8ebfe403), backed by Series D funding and support for 70 languages. Millis AI suits cost-conscious or telephony-heavy teams: its base price of $0.02/min beats $0.05/min (facts 1f328b82, f38effd1), and it adds native SIP trunking, BYO-LLM, BYO-TTS, number provisioning, and native outbound campaigns, offering more infrastructure flexibility at a lower entry cost.
It is close, and the right pick depends on your use case. Start a free trial, or read the verdicts below.
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Head-to-head facts
Every row independently verified| Fact | Millis AI | |
|---|---|---|
| Base price / min | ~$0.05Jul 15 | ~$0.02Jul 15 |
| Real production cost / min | n/a | $0.06-0.66Jul 15 |
| HIPAA BAA on base plan | ◑ Enterprise onlyJul 15 | n/a |
| Native SIP trunking | n/a | ✓ YesJul 15 |
| Median e2e latency | ~75 msJul 15 | ~600 msJul 15 |
| Bring-your-own LLM | n/a | ✓ YesJul 15 |
| Free tier credit | Free plan $0, 10k credits/monthJul 15 | n/a |
Pricing: true cost at 3 usage tiers
All-in monthly: platform fee + per-minute + telephony. Assumes GPT-4o class model, ElevenLabs voice.Verdicts by use case
Both tools offer no-code builders and self-serve signup, but ElevenLabs Agents has a 75 ms median latency versus Millis AI at 600 ms, which matters for client-facing deployments. ElevenLabs also supports 70 languages and offers a strong affiliate program at 22% recurring for 12 months, suiting agency resale economics. Millis AI has a base price of $0.02/min, but real costs reach $0.06 to $0.66/min, narrowing that gap. ElevenLabs Series D funding further signals stronger platform stability for agency commitments.
Both tools offer API-first design and no-code builders. ElevenLabs Agents has a median latency of 75 ms versus Millis AI at 600 ms, a difference that matters significantly for engineering teams building tightly controlled pipelines where timing and responsiveness affect pipeline logic. ElevenLabs also carries a Series D funding signal suggesting stronger infrastructure investment. Millis AI offers BYO-LLM and BYO-voice flexibility, which is relevant for custom pipelines, but the 8x latency disadvantage is a concrete engineering constraint that tips the decision.
For ecommerce support, low latency is critical to keep shoppers engaged. ElevenLabs Agents delivers 75 ms median end-to-end latency versus Millis AI at 600 ms, an 8x advantage that directly improves customer experience during order queries. ElevenLabs also supports 70 languages, useful for global ecommerce, and its Series D funding signals reliability. Millis AI offers native outbound campaigns and bring-your-own-LLM flexibility, but the latency gap is the decisive factor for real-time support flows.
For HIPAA-bound healthcare workflows, the critical requirement is a HIPAA BAA. ElevenLabs Agents explicitly offers a HIPAA BAA, though only at the enterprise tier. No corresponding HIPAA BAA fact exists for Millis AI, meaning there is no verified compliance coverage for Millis in this use case. ElevenLabs also carries a Series D funding signal, supporting the enterprise credibility needed for healthcare procurement. The narrow margin reflects that ElevenLabs requires an enterprise contract to access HIPAA coverage, which adds friction, but it remains the only verified option for this compliance requirement.
For outbound sales campaigns, Millis AI offers native outbound campaign support and native SIP trunking, which are directly relevant features. ElevenLabs Agents has no cited outbound campaign capability. ElevenLabs does hold a significant latency advantage at 75 ms versus Millis at 600 ms, which matters for call quality. Millis also supports BYO LLM and BYO voice for cost control. The native outbound campaign and telephony infrastructure features tip the decision toward Millis, though the latency gap keeps this comparison narrow.
For an SMB receptionist use case, responsiveness is critical. ElevenLabs Agents has a median latency of 75 ms versus Millis AI at 600 ms, an 8x advantage that directly impacts caller experience. ElevenLabs also offers a free tier with 10k credits per month, lowering the barrier for SMBs to start. Millis AI has native outbound campaigns and SIP trunking which are useful, but these matter less for inbound receptionist and booking. The latency gap is decisive for natural conversation quality in a receptionist context.
Common questions
Which is cheaper per minute, ElevenLabs Agents or Millis AI?+−
Millis AI advertises a lower base price at $0.02/min compared to ElevenLabs Agents at $0.05/min. However, real production costs for Millis AI are estimated at $0.06 to $0.66 per minute once LLM, TTS, and telephony costs are factored in, so the gap may narrow significantly in practice.
Which platform has lower latency for voice AI calls?+−
ElevenLabs Agents claims a median end-to-end latency of 75 ms, compared to Millis AI at 600 ms. This is a substantial difference that could matter greatly for natural-feeling conversations.
Do either of these tools offer a free tier to get started?+−
ElevenLabs Agents offers a free plan with 10,000 credits per month and a $0 monthly platform fee. Millis AI also has a $0 monthly platform fee. Both platforms support self-serve signup with no sales call required.
Which platform is better for HIPAA-compliant healthcare use cases?+−
ElevenLabs Agents offers a HIPAA BAA, but only on enterprise plans. No equivalent HIPAA information is available for Millis AI in the provided data. Teams with compliance requirements should contact ElevenLabs directly to discuss enterprise pricing.
Can I use my own LLM or TTS voice with either platform?+−
Millis AI supports both bring-your-own LLM and bring-your-own TTS voice. No equivalent features are confirmed for ElevenLabs Agents in the available data, so verify directly with ElevenLabs if custom model flexibility is a priority.
Does Millis AI support outbound calling campaigns natively?+−
Yes. Millis AI supports native outbound campaigns, native SIP trunking, and in-platform phone number buying or porting. These telephony features make it a strong option for teams running high-volume outbound voice workflows.
How many languages do ElevenLabs Agents and Millis AI support?+−
ElevenLabs Agents claims support for 70 languages. Millis AI states coverage across 100 countries, though a specific language count is not separately listed. Confirm exact language lists with each vendor for your target markets.
Do I need an annual contract to get the best pricing from ElevenLabs Agents?+−
ElevenLabs Agents does not require an annual contract to access best pricing. This makes it easier for teams to get started on a monthly basis without committing to a long-term agreement upfront.
Best ElevenLabs Agents alternatives →Best Millis AI alternatives →
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