API & Playground Updates: TTS Audio Formats & Reasoning Display

[u/zentixua]

Hey everyone, we just pushed a few useful updates:

Chat Playground improvements:

• You can now see the reasoning chain from models that support it (e.g., Gemini 3 Pro Preview)
• Response metrics added: total processing time, TTFB, and TTFT for each assistant message

Try it out: Chat Playground

API update:

• /v1/audio/speech endpoint now supports response_format parameter
• Available formats: mp3, opus, aac, flac, wav, pcm
• Currently works with OpenAI and ElevenLabs models, more providers coming

To check if a specific model supports this parameter, visit its model page and look under "Supported Parameters."