> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.deepgram.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.deepgram.com/_mcp/server.

## Wider `speed` range for Flux TTS

Flux TTS `speed` now runs from `0.5` to `1.5` in `0.05` increments, up from `0.85`–`1.15`. The default stays `1.0`, and every previously accepted value still works.

The wider range applies everywhere `speed` is accepted on Flux TTS: the `/v2/speak` streaming WebSocket (at connection and mid-session with `Configure`), the `/v2/speak` batch REST endpoint, and `agent.speak.provider.speed` in Voice Agent sessions running `provider.version` `v2`. A value outside the range is still rejected with `SPEED_OUT_OF_RANGE`, and one off the `0.05` increment with `SPEED_INCREMENT_INVALID`.

Aura `speed` is unchanged at `0.7`–`1.5`.

For details, see [Getting Started with Flux TTS](/docs/flux-tts/quickstart), [Client Messages](/docs/flux-tts/client-messages#configure), and [TTS Models](/docs/voice-agent-tts-models#deepgram-tts-models).