SpeechRequest Type | OpenRouter Go SDK | OpenRouter

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Text-to-speech request input

Fields

Field	Type	Required	Description	Example
`Input`	`string`	✔️	Text to synthesize	Hello world
`Model`	`string`	✔️	TTS model identifier	elevenlabs/eleven-turbo-v2
`Provider`	*components.SpeechRequestProvider	➖	Provider-specific passthrough configuration
`ResponseFormat`	*components.ResponseFormatEnum	➖	Audio output format	pcm
`Speed`	`*float64`	➖	Playback speed multiplier. Only used by models that support it (e.g. OpenAI TTS). Ignored by other providers.	1
`Voice`	`string`	✔️	Voice identifier (provider-specific).	alloy