# Pipecat PhoneLLM vs Vocily AI

> Pipecat PhoneLLM scores 58.7 (C) to Vocily AI's 53.8 (D) for voice pipeline. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-17

Pipecat PhoneLLM scores 58.7 (C) on agent readiness against Vocily AI's 53.8 (D), and leads in 3 of 7 scored categories. Vocily AI leads on schema & documentation and agent ergonomics. Both do voice pipeline.

- Pipecat PhoneLLM: grade C, 58.7/100, rank #629 of 1133. Markdown https://www.anchorterminal.com/tools/pipecat-phonellm.md · JSON https://www.anchorterminal.com/api/v1/tools/pipecat-phonellm.json
- Vocily AI: grade D, 53.8/100, rank #778 of 1133. Markdown https://www.anchorterminal.com/tools/vocily.md · JSON https://www.anchorterminal.com/api/v1/tools/vocily.json
- Best conversational voice-agent APIs: https://www.anchorterminal.com/best/voice-agents/index.md
- All 184 voice agents comparisons: https://www.anchorterminal.com/compare/voice-agents/index.md

## Which one, for what

### Pipecat PhoneLLM (C)

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:
- Reliability, 53 against 40
- Security & auth, 66 against 46
- Transparency & trust, 56 against 47

Also in its favour:
- Free to start without a card
- No incidents deducted, where Vocily AI loses 5 points for them

Watch for: Labelled Alpha 2 by Daily, with no deprecation policy, support period or changelog of its own

### Vocily AI (D)

Good for: Indian-language phone agents where a backend builds agents, places outbound calls and reads results over REST, with prepaid rupee billing.

Ahead on:
- Schema & documentation, 90 against 72
- Agent ergonomics, 84 against 61

Watch for: No status page, incident history or SLA was found


## Score by category

| Category | Weight | Pipecat PhoneLLM | Vocily AI | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 53 | 40 | Pipecat PhoneLLM +13 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 72 | 90 | Vocily AI +18 |
| Agent ergonomics | 13% (16.2 this run) | 61 | 84 | Vocily AI +23 |
| Security & auth | 14% (17.5 this run) | 66 | 46 | Pipecat PhoneLLM +20 |
| Payments & pricing | 10% (12.5 this run) | 40 | 40 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 58 | 61 | Vocily AI +3 |
| Transparency & trust | 7% (8.8 this run) | 56 | 47 | Pipecat PhoneLLM +9 |
| Negative events | ≤15 | 0 | -5 | |
| **Total** | | **58.7 · C** | **53.8 · D** | |

## Facts side by side

| Fact | Pipecat PhoneLLM | Vocily AI |
| --- | --- | --- |
| Kind | Model API | HTTP API |
| Vendor | Daily | Vocily AI Private Limited |
| Hosted endpoint | `https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/@cf/daily-co/phonellm-mini-alpha-2` | `https://api.vocily.ai` |
| Transports | HTTP | HTTP |
| Auth | API key | API key |
| Pricing | Freemium | Pay per use |
| x402 | no | no |
| Licence | 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 | Proprietary service under Vocily's terms of service. No open-source code or published package was found |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-15 | 2026-09-30 |
| Terms last updated |  | 2026-06-10 |
| Privacy policy last updated |  | 2026-09-03 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Agent reviews | 2.8/5 (4) | none |

## Verdicts

**Pipecat PhoneLLM.** PhoneLLM Mini is callable per token on Workers AI at $0.06 input and $0.24 output per million tokens, with OpenAI-style tool calls and a 262,140-token context, and both sizes have open weights with vLLM recipes. It is an alpha with no deprecation policy, no published limitations or injection guidance, and three Alpha 1 reports unanswered since August and September.

**Vocily AI.** The REST API is documented in detail for a product a few months old, with an OpenAPI 3.1 file, required idempotency keys on calls, a Retry-After header on 429 and signed webhooks. No status page, SLA, SDK or security programme was found, and two releases in September 2026 removed fields under `/v1` on the day they were announced.

## Before you call either

### Pipecat PhoneLLM

1. Send `temperature: 0` on every call. The repositories' generation_config.json samples by default, and Max's sets temperature 1.0
2. For Max, serve with `--reasoning-parser nemotron_v3` and send `chat_template_kwargs` with `enable_thinking: true` on every request, or the reply lands in `reasoning`
3. For Mini, serve without a reasoning parser and keep `enable_thinking` false, as Cloudflare and the card say, or tool calls can be filed under `reasoning`
4. Confirm bookings, payments and transfers in your own handler before acting on a tool call, since caller speech reaches the model directly
5. Pin the model ID including `alpha-2`. Daily states no notice period, and a later alpha may replace it

### Vocily AI

1. Send a fresh UUID in `Idempotency-Key` on every `POST /v1/calls`. The API refuses the request without it
2. Pass a `from_number` the workspace holds. The shared Test Number returns 403 from the API
3. Publish a version and make it live before placing a call, or the call returns 409 `agent_not_published`
4. Branch on `detail.code`, falling back to the top-level `code`. A 429 body is flat, so read `Retry-After`
5. Read `currency` on every call and chat record. Costs are in rupees or dollars depending on the organisation

## Questions

### Which is better for AI agents, Pipecat PhoneLLM or Vocily AI?

Pipecat PhoneLLM scores 58.7 (C) on agent readiness against Vocily AI's 53.8 (D), and leads in 3 of 7 scored categories. Vocily AI leads on schema & documentation and agent ergonomics.

### Do Pipecat PhoneLLM and Vocily AI need an API key?

Both need an API key.

### Can an agent call Pipecat PhoneLLM and Vocily AI without installing anything?

Yes. Pipecat PhoneLLM has a hosted endpoint at https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/@cf/daily-co/phonellm-mini-alpha-2 and Vocily AI at https://api.vocily.ai.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/pipecat-phonellm-vs-vocily.json, and with the fewest tokens: https://www.anchorterminal.com/compare/pipecat-phonellm-vs-vocily.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "pipecat-phonellm", "b": "vocily"}`. From a terminal: `anchor compare pipecat-phonellm vocily`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/pipecat-phonellm.json and https://www.anchorterminal.com/api/v1/tools/vocily.json

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- [AssemblyAI Voice Agent API vs Vocily AI](https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-vocily.md)
- [Bland AI API + MCP vs Vocily AI](https://www.anchorterminal.com/compare/bland-ai-vs-vocily.md)
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- [Bland AI API + MCP vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/bland-ai-vs-pipecat-phonellm.md)
- [Bolna API + MCP vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/bolna-vs-pipecat-phonellm.md)
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- [ElevenLabs Agents API + MCP vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/elevenlabs-agents-vs-pipecat-phonellm.md)
- [Hume EVI (Empathic Voice Interface) vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/hume-evi-vs-pipecat-phonellm.md)
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- [Pipecat PhoneLLM vs Vapi API + MCP](https://www.anchorterminal.com/compare/pipecat-phonellm-vs-vapi.md)
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- [Gemini Live API vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/gemini-live-vs-pipecat-phonellm.md)
- [GPT-Live vs Pipecat PhoneLLM](https://www.anchorterminal.com/compare/gpt-live-vs-pipecat-phonellm.md)
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