# AssemblyAI Voice Agent API vs CueLight (slim)

> AssemblyAI Voice Agent scores 64.4 (B) to CueLight's 48.8 (D) for voice pipeline. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-cuelight.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-cuelight.json · canonical https://www.anchorterminal.com/compare/assemblyai-voice-agent-vs-cuelight
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-15
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

AssemblyAI Voice Agent API scores 64.4 (B) on agent readiness against CueLight's 48.8 (D), and leads in 6 of 7 scored categories. CueLight leads on payments & pricing. Both do voice pipeline.

- AssemblyAI Voice Agent API: B 64.4, rank #378 of 1094 · https://www.anchorterminal.com/tools/assemblyai-voice-agent.min.md
- CueLight: D 48.8, rank #873 of 1094 · https://www.anchorterminal.com/tools/cuelight.min.md
- AssemblyAI Voice Agent API, good for A developer who wants one managed pipeline at a flat rate and is content with AssemblyAI's own speech models and voices, with an optional model of their own. Ahead on Reliability, 60 against 29; Schema & documentation, 83 against 50; Agent ergonomics, 72 against 61; Security & auth, 62 against 50; Maintenance & community, 64 against 46; Transparency & trust, 66 against 54. Also A hosted endpoint, with nothing to install.
- CueLight, good for A turn-detection component for teams assembling their own voice pipeline (OpenVoiceOS, Pipecat-style stacks), especially on small devices. Ahead on Payments & pricing, 60 against 40. Also No key needed to call it; Open source.

| Category | AssemblyAI Voice Agent API | CueLight |
| --- | --- | --- |
| Reliability (16%) | 60 | 29 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 50 |
| Agent ergonomics (13%) | 72 | 61 |
| Security & auth (14%) | 62 | 50 |
| Payments & pricing (10%) | 40 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 46 |
| Transparency & trust (7%) | 66 | 54 |

| Fact (where they differ) | AssemblyAI Voice Agent API | CueLight |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | AssemblyAI, Inc. | sshah03 (individual developer, name not stated) |
| Hosted endpoint | `wss://agents.assemblyai.com/v1/ws` | no (local only) |
| Transports | HTTP |  |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | Proprietary service under AssemblyAI's Terms of Service. The two starter repositories on GitHub carry no licence file | Apache-2.0 |
| llms.txt | yes | no |
| Last release | 2026-08-26 | 2026-10-14 |
| Terms last updated | 2026-07-01 | no document linked |
| Privacy policy last updated | 2026-05-26 | no document linked |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | none | 10 stars |