Whisper 3 Turbo is OpenAI's speech to text model with a 4K context window and up to 4K output tokens. A speed-optimized Whisper V3 ASR model balancing transcription accuracy with lower latency for production speech recognition pipelines.
Specifications
Canonical IDopenai-whisper-3-turbo
TypeSpeech to Text
StatusActive
CreatorOpenAIOpenAI
Context Window4K tokens
Max Output4K tokens
Input ModalitiesAudio
Output ModalitiesText

Capabilities

Input1/5
Text·
Image·
Audio✓
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Whisper 3 Turbo—4K——Current
Whisper 3—4K——Available
Whisper 3 Large————Available
Whisper 3 Large Turbo————Available
Whisper 2 Large————Available
Whisper———Deprecating
Whisper Base————Available
Whisper Large————Available
Whisper Medium————Available
Whisper Small————Available
Whisper Tiny————Available

Model IDs

fireworks_ai/accounts/fireworks/models/whisper-v3-turbo
openai-whisper-3-turbo