> ## 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. # STTSegment A timestamped transcript segment, returned when response\_format is verbose\_json ## Fields | Field | Type | Required | Description | Example | | ------------------ | ---------- | -------------------- | --------------------------------------------------------------------------------- | ------------ | | `AvgLogprob` | `*float64` | :heavy\_minus\_sign: | Average log probability of the segment | | | `CompressionRatio` | `*float64` | :heavy\_minus\_sign: | Compression ratio of the segment | | | `End` | `float64` | :heavy\_check\_mark: | Segment end time in seconds | 3.2 | | `ID` | `int64` | :heavy\_check\_mark: | Segment index within the transcript | 0 | | `NoSpeechProb` | `*float64` | :heavy\_minus\_sign: | Probability the segment contains no speech | | | `Seek` | `*int64` | :heavy\_minus\_sign: | Seek offset of the segment | 0 | | `Speaker` | `*int64` | :heavy\_minus\_sign: | Speaker index for the segment, present when the provider returns diarization data | 0 | | `Start` | `float64` | :heavy\_check\_mark: | Segment start time in seconds | 0 | | `Temperature` | `*float64` | :heavy\_minus\_sign: | Temperature used for the segment | | | `Text` | `string` | :heavy\_check\_mark: | Transcribed text of the segment | Hello there. | | `Tokens` | \[]`int64` | :heavy\_minus\_sign: | Token IDs of the segment | |