S2 Pro vs Aura-2: side-by-side summary

S2 Pro and Aura-2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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

Aura-2, from deepgram, is priced at $30/M characters on OpenRouter.

Context window

• S2 Pro: Not published
• Aura-2: Not published

Price

• S2 Pro: $15/M UTF-8 bytes
• Aura-2: $30/M characters

Provided by

• S2 Pro: fish-audio
• Aura-2: deepgram

• S2 Pro model details, providers and pricing
• Aura-2 model details, providers and pricing