Fish Audio guide details API, Python SDK and self-hosted S2-Pro

Fish Audio’s text-to-speech offering combines a hosted API with downloadable model weights, giving developers two routes to generate speech from the same platform. The company’s November 3, 2026 guide says that dual approach is why searches for both “fish audio api” and “fish speech” point to the same ecosystem, and it walks through hosted generation first, then local deployment, then the constraints users may face in production. According to Fish Audio’s model overview and install guide, the text-to-speech lineup as of November 3, 2026 includes s2.1-pro as the recommended production model, s2.1-pro-free for development and testing, s2-pro as the previous S2 generation, drama-3 for content creation, and deprecated s1, which retires on December 31, 2026.

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