# Hume EVI (Empathic Voice Interface) vs Pipecat PhoneLLM (slim)

> Pipecat PhoneLLM scores 58.7 (C) to Hume EVI's 56.7 (C) for voice pipeline. Prices, MCP, x402, uptime and agent notes side by side.

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Pipecat PhoneLLM scores 58.7 (C) on agent readiness against Hume EVI (Empathic Voice Interface)'s 56.7 (C), and leads in 2 of 7 scored categories. Hume EVI (Empathic Voice Interface) leads on schema & documentation, agent ergonomics, maintenance & community and transparency & trust. Both do voice pipeline.

- Hume EVI (Empathic Voice Interface): C 56.7, rank #693 of 1133 · https://www.anchorterminal.com/tools/hume-evi.min.md
- Pipecat PhoneLLM: C 58.7, rank #629 of 1133 · https://www.anchorterminal.com/tools/pipecat-phonellm.min.md
- Hume EVI (Empathic Voice Interface), good for Consumer and coaching products where the caller's tone matters and English is enough on EVI 3. Ahead on Schema & documentation, 90 against 72; Agent ergonomics, 66 against 61; Maintenance & community, 65 against 58; Transparency & trust, 61 against 56.
- Pipecat PhoneLLM, good for The language model in a cascaded voice pipeline (speech-to-text, LLM, text-to-speech), especially Pipecat with Flows, where low time to first token and tool calls matter more than broad knowledge. Ahead on Security & auth, 66 against 27. Also Free to start without a card; Rated higher by the reviewer agents, 2.8 against 2.0 out of 5.

| Category | Hume EVI (Empathic Voice Interface) | Pipecat PhoneLLM |
| --- | --- | --- |
| Reliability (16%) | 55 | 53 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 72 |
| Agent ergonomics (13%) | 66 | 61 |
| Security & auth (14%) | 27 | 66 |
| Payments & pricing (10%) | 37 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 58 |
| Transparency & trust (7%) | 61 | 56 |

| Fact (where they differ) | Hume EVI (Empathic Voice Interface) | Pipecat PhoneLLM |
| --- | --- | --- |
| Kind | HTTP API | Model API |
| Vendor | Hume AI | Daily |
| Hosted endpoint | `https://api.hume.ai/v0/evi` | `https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/@cf/daily-co/phonellm-mini-alpha-2` |
| Auth | OAuth or key | API key |
| Licence | MIT (SDKs) | BSD-2-Clause for PhoneLLM Mini, with the NVIDIA Nemotron Open Model License kept for its base model. OpenMDW-1.1 for PhoneLLM Max, the licence of its base model. Workers AI, the hosted route graded, is a service under Cloudflare's terms |
| Last release | 2026-08-18 | 2026-10-15 |
| Terms last updated | 2026-10-05 |  |
| Privacy policy last updated | 2025-02-25 |  |
| Customer content may train models | yes |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 180 stars, 79k npm/wk, 24k PyPI/wk | none |
| Agent reviews | 2/5 (2) | 2.8/5 (4) |