{ "model_id": "xai/grok-stt", "provider_id": "xai", "name": "Grok STT", "description": "xAI's Grok speech-to-text model. Transcribes audio files into text across 25 languages with word-level timestamps, multichannel transcription, speaker diarization, and key-term biasing.", "task": "Automatic Speech Recognition", "tags": [ "Speech-to-Text", "Transcription", "Multilingual" ], "context_length": null, "max_output_tokens": null, "schema_version": "1.0.0", "pricing": { "Per audio minute": 0.001667, "input_audio_minutes_streaming": 0.003334 }, "examples": [ { "name": "Transcribe from URL", "description": "Pass an HTTPS URL and let xAI fetch the audio server-side \u2014 simplest path", "input": { "url": "https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3" }, "output": { "text": "How old is the Brooklyn Bridge?" }, "raw_response": { "state": "Completed", "result": { "text": "How old is the Brooklyn Bridge?", "language": "English", "duration": 1.85, "words": [ { "text": "How", "start": 0.14, "end": 0.28 }, { "text": "old", "start": 0.4, "end": 0.6 }, { "text": "is", "start": 0.65, "end": 0.75 }, { "text": "the", "start": 0.81, "end": 0.89 }, { "text": "Brooklyn", "start": 0.95, "end": 1.29 }, { "text": "Bridge?", "start": 1.35, "end": 1.69 } ] }, "gatewayMetadata": { "keySource": "Unified" } }, "code_snippets": [ { "label": "typescript", "language": "typescript", "code": "const response = await env.AI.run(\n 'xai/grok-stt',\n { url: 'https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3' },\n)\nconsole.log(response)" }, { "label": "curl", "language": "bash", "code": "curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \\\n --header \"Authorization: Bearer $CLOUDFLARE_API_TOKEN\" \\\n --header \"Content-Type: application/json\" \\\n --data '{\n \"model\": \"xai/grok-stt\",\n \"input\": {\n \"url\": \"https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3\"\n }\n}'" } ] }, { "name": "With Language and Formatting", "description": "Enable Inverse Text Normalization so spoken numbers become digits", "input": { "url": "https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3", "language": "en", "format": true }, "output": { "text": "How old is the Brooklyn Bridge?" }, "raw_response": { "state": "Completed", "result": { "text": "How old is the Brooklyn Bridge?", "language": "English", "duration": 1.85, "words": [ { "text": "How", "start": 0.14, "end": 0.28 }, { "text": "old", "start": 0.4, "end": 0.6 }, { "text": "is", "start": 0.65, "end": 0.75 }, { "text": "the", "start": 0.81, "end": 0.89 }, { "text": "Brooklyn", "start": 0.95, "end": 1.29 }, { "text": "Bridge?", "start": 1.35, "end": 1.69 } ] }, "gatewayMetadata": { "keySource": "Unified" } }, "code_snippets": [ { "label": "typescript", "language": "typescript", "code": "const response = await env.AI.run(\n 'xai/grok-stt',\n {\n url: 'https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3',\n language: 'en',\n format: true,\n },\n)\nconsole.log(response)" }, { "label": "curl", "language": "bash", "code": "curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \\\n --header \"Authorization: Bearer $CLOUDFLARE_API_TOKEN\" \\\n --header \"Content-Type: application/json\" \\\n --data '{\n \"model\": \"xai/grok-stt\",\n \"input\": {\n \"url\": \"https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3\",\n \"language\": \"en\",\n \"format\": true\n }\n}'" } ] }, { "name": "Speaker Diarization with Key Terms", "description": "Identify speakers and bias transcription toward proper nouns", "input": { "url": "https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3", "language": "en", "diarize": true, "keyterm": [ "Brooklyn", "Manhattan" ] }, "output": { "text": "How old is the Brooklyn Bridge?" }, "raw_response": { "state": "Completed", "result": { "text": "How old is the Brooklyn Bridge?", "language": "English", "duration": 1.85, "words": [ { "text": "How", "start": 0.14, "end": 0.28, "speaker": 0 }, { "text": "old", "start": 0.4, "end": 0.6, "speaker": 0 }, { "text": "is", "start": 0.65, "end": 0.75, "speaker": 0 }, { "text": "the", "start": 0.81, "end": 0.89, "speaker": 0 }, { "text": "Brooklyn", "start": 0.95, "end": 1.29, "speaker": 0 }, { "text": "Bridge?", "start": 1.35, "end": 1.69, "speaker": 0 } ] }, "gatewayMetadata": { "keySource": "Unified" } }, "code_snippets": [ { "label": "typescript", "language": "typescript", "code": "const response = await env.AI.run(\n 'xai/grok-stt',\n {\n url: 'https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3',\n language: 'en',\n diarize: true,\n keyterm: ['Brooklyn', 'Manhattan'],\n },\n)\nconsole.log(response)" }, { "label": "curl", "language": "bash", "code": "curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \\\n --header \"Authorization: Bearer $CLOUDFLARE_API_TOKEN\" \\\n --header \"Content-Type: application/json\" \\\n --data '{\n \"model\": \"xai/grok-stt\",\n \"input\": {\n \"url\": \"https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3\",\n \"language\": \"en\",\n \"diarize\": true,\n \"keyterm\": [\n \"Brooklyn\",\n \"Manhattan\"\n ]\n }\n}'" } ] }, { "name": "Filler Words Preserved", "description": "Keep filler words (uh, um, er) in the transcript instead of removing them", "input": { "url": "https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3", "language": "en", "filler_words": true }, "output": { "text": "How old is the Brooklyn Bridge?" }, "raw_response": { "state": "Completed", "result": { "text": "How old is the Brooklyn Bridge?", "language": "English", "duration": 1.85, "words": [ { "text": "How", "start": 0.14, "end": 0.28 }, { "text": "old", "start": 0.4, "end": 0.6 }, { "text": "is", "start": 0.65, "end": 0.75 }, { "text": "the", "start": 0.81, "end": 0.89 }, { "text": "Brooklyn", "start": 0.95, "end": 1.29 }, { "text": "Bridge?", "start": 1.35, "end": 1.69 } ] }, "gatewayMetadata": { "keySource": "Unified" } }, "code_snippets": [ { "label": "typescript", "language": "typescript", "code": "const response = await env.AI.run(\n 'xai/grok-stt',\n {\n url: 'https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3',\n language: 'en',\n filler_words: true,\n },\n)\nconsole.log(response)" }, { "label": "curl", "language": "bash", "code": "curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \\\n --header \"Authorization: Bearer $CLOUDFLARE_API_TOKEN\" \\\n --header \"Content-Type: application/json\" \\\n --data '{\n \"model\": \"xai/grok-stt\",\n \"input\": {\n \"url\": \"https://storage.googleapis.com/cloud-samples-data/speech/brooklyn_bridge.mp3\",\n \"language\": \"en\",\n \"filler_words\": true\n }\n}'" } ] }, { "name": "Data URI Upload", "description": "Pass the audio file directly as a base64 data URI (mutually exclusive with `url`)", "input": { "file": "data:audio/wav;base64,UklGRqQ+AABXQVZFZm10IBAAAAABAAEAQB8AAIA+AAACABAAZGF0YYA+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA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}, "output": { "text": "" }, "raw_response": { "state": "Completed", "result": { "text": "", "language": "", "duration": 1 }, "gatewayMetadata": { "keySource": "Unified" } }, "code_snippets": [ { "label": "typescript", "language": "typescript", "code": "const response = await env.AI.run(\n 'xai/grok-stt',\n { file: 'data:audio/wav;base64,<...>' },\n)\nconsole.log(response)" }, { "label": "curl", "language": "bash", "code": "curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \\\n --header \"Authorization: Bearer $CLOUDFLARE_API_TOKEN\" \\\n --header \"Content-Type: application/json\" \\\n --data '{\n \"model\": \"xai/grok-stt\",\n \"input\": {\n \"file\": \"data:audio/wav;base64,<...>\"\n }\n}'" } ] } ], "default_example": null, "code_snippets": [], "supports_async": false, "zdr": true, "zdr_comment": null, "external_info": "https://docs.x.ai/developers/model-capabilities/audio/speech-to-text", "terms": "https://x.ai/legal/terms-of-service", "cover_image_url": null, "metadata": { "Languages": "25 supported language codes (en, fr, de, ja, zh, ...)", "Audio Formats": "wav, mp3, ogg, opus, flac, aac, mp4, m4a, mkv (+ raw pcm/mulaw/alaw)", "Max File Size (xAI)": "500 MB", "Max File Size (Gateway)": "25 MB" }, "request_formats": null, "providers": null, "provider_details": [ { "id": "xai", "pricing": { "input_audio_minutes": 0.001667, "input_audio_minutes_streaming": 0.003334 } } ], "banner": null, "created_at": "2026-06-03 20:26:49", "schema": { "input": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "file": { "description": "Audio file as a data URI (data:audio/...;base64,...) or an HTTPS URL the gateway fetches and uploads. Supported container formats: flac, mp3, mp4, m4a, mkv, ogg, opus, wav, aac. Raw formats (pcm, mulaw, alaw) also accepted \u2014 supply audio_format and sample_rate. Gateway-side size limit: 25 MB. Mutually exclusive with `url`.", "type": "string" }, "url": { "description": "HTTPS URL of an audio file for xAI to fetch server-side. Mutually exclusive with `file` and `websocket`. No gateway-side size limit applies.", "type": "string", "format": "uri" }, "websocket": { "description": "Enable WebSocket streaming for speech-to-text. When true, establishes a bidirectional WebSocket connection for real-time audio transcription. Mutually exclusive with `file` and `url`.", "type": "boolean" }, "audio_format": { "description": "Format hint for raw/headerless audio. Required for pcm, mulaw, alaw. Omit for container formats (mp3, wav, etc.) \u2014 xAI auto-detects them.", "type": "string", "enum": [ "pcm", "mulaw", "alaw" ] }, "sample_rate": { "description": "Sample rate in Hz. Required when audio_format is set.", "type": "integer", "minimum": -9007199254740991, "maximum": 9007199254740991 }, "language": { "description": "Language code (e.g. \"en\", \"fr\", \"de\"). Used with format=true to enable Inverse Text Normalization. xAI transcribes in any language regardless \u2014 supplying this enables number/currency formatting in the transcript.", "type": "string" }, "format": { "description": "When true, enables Inverse Text Normalization \u2014 spoken numbers and currencies are converted to written form (e.g. \"one hundred dollars\" \u2192 \"$100\"). Requires language to be set.", "type": "boolean" }, "diarize": { "description": "When true, enables speaker diarization. Each word in the response includes a `speaker` integer identifying the detected speaker.", "type": "boolean" }, "filler_words": { "description": "When true, filler words (uh, um, er) are included in the transcript. Defaults to false \u2014 filler words are removed.", "type": "boolean" }, "multichannel": { "description": "When true, each audio channel is transcribed independently. Results are returned in the `channels` array. Requires channels \u2265 2.", "type": "boolean" }, "channels": { "description": "Number of audio channels (2\u20138). Required only for multichannel raw audio; auto-detected for container formats.", "type": "integer", "minimum": 2, "maximum": 8 }, "keyterm": { "description": "Key terms to bias transcription toward (e.g. product names, proper nouns). Each term up to 50 characters, max 100 terms. Sent as repeated form fields: keyterm=Term+One&keyterm=Term+Two.", "maxItems": 100, "type": "array", "items": { "type": "string", "maxLength": 50 } } }, "additionalProperties": false }, "output": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "text": { "type": "string", "description": "Full transcript text." }, "language": { "description": "Detected language name (e.g. \"English\", \"French\").", "type": "string" }, "duration": { "description": "Audio duration in seconds (2 d.p.).", "type": "number" }, "words": { "description": "Word-level segments. Each entry has text, start, end (seconds). Includes speaker integer when diarize=true.", "type": "array", "items": { "type": "object", "properties": { "text": { "type": "string" }, "start": { "type": "number" }, "end": { "type": "number" }, "speaker": { "type": "number" } }, "required": [ "text", "start", "end" ], "additionalProperties": {} } }, "channels": { "description": "Per-channel transcripts when multichannel=true.", "type": "array", "items": { "type": "object", "properties": { "index": { "type": "number" }, "text": { "type": "string" }, "words": { "type": "array", "items": { "type": "object", "properties": { "text": { "type": "string" }, "start": { "type": "number" }, "end": { "type": "number" } }, "required": [ "text", "start", "end" ], "additionalProperties": {} } } }, "required": [ "index", "text" ], "additionalProperties": {} } } }, "required": [ "text" ], "additionalProperties": {} } } }