> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # STTWord A timestamped word, returned when the provider includes word-level timestamps ## Fields | Field | Type | Required | Description | Example | | --------- | ---------------- | -------------------- | ------------------------------------------------------------------------------ | ------- | | `end` | *float* | :heavy\_check\_mark: | Word end time in seconds | 0.4 | | `speaker` | *Optional\[int]* | :heavy\_minus\_sign: | Speaker index for the word, present when the provider returns diarization data | 0 | | `start` | *float* | :heavy\_check\_mark: | Word start time in seconds | 0 | | `word` | *str* | :heavy\_check\_mark: | The transcribed word | Hello |