Humanness Index™ · Provider
Canopy Labs is the team behind Orpheus, the open source speech LLM family released in March 2025 under the Apache 2.0 license.
Standings as of Jun 13, 2026, 00:15 UTC
| Rank | Model | Humanness | Latency | Languages | Price / 1M chars |
|---|---|---|---|---|---|
| #4 | Orpheus | 78 | — | English | Open source |
Canopy Labs is the team behind Orpheus, the open source speech LLM family released in March 2025 under the Apache 2.0 license. The company has promised smaller 1B, 400M, and 150M variants alongside the flagship 3B model, and it partners with managed inference providers such as Baseten for production hosting.
Sources: canopylabs.ai, baseten.co
Orpheus is the open weights entry on the Humanness Index™, and it showed that an open model can compete with closed source rivals on prosody and empathy. Teams can self host it or run it through managed providers.
Sources: github.com
The benchmark is open source. Suggest a model, read the methodology, or ask us to put your voice in the arena.
