Orpheus 3B vs S2 Pro: side-by-side summary

Orpheus 3B and S2 Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Orpheus 3B, from canopylabs, has a 4,096-token context window and is priced at $7/M characters on OpenRouter.

S2 Pro, from fish-audio, is priced at $15/M UTF-8 bytes on OpenRouter.

Context window

• Orpheus 3B: 4,096 tokens
• S2 Pro: Not published

Price

• Orpheus 3B: $7/M characters
• S2 Pro: $15/M UTF-8 bytes

Provided by

• Orpheus 3B: canopylabs
• S2 Pro: fish-audio

• Orpheus 3B model details, providers and pricing
• S2 Pro model details, providers and pricing