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AI Speech-to-Text Models

Compare 7 speech recognition models across pricing, accuracy, processing speed, and maximum audio duration. Click any column header to sort.

Last updated: 13 Oct 2026 · Prices per minute of audio

7 models
ModelProvider$/minMax Dur.SpeedQual.
AssemblyAI Best
AssemblyAI$0.006510.0hr2x RTNot published
AssemblyAI Nano
AssemblyAI$0.002010.0hr5x RTNot published
Deepgram Nova 2
Deepgram$0.003610.0hr3x RTNot published
Deepgram Nova 3
Deepgram$0.004310.0hr3x RTNot published
Gemini Audio (STT)
Google$0.00309.5hr3x RTNot published
GPT-4o Transcribe
OpenAI$0.00602.0hr5x RTNot published
Whisper Large v3OSS
OpenAI$0.00602.0hr10x RTNot published
Cost per minute of audio (USD) (standard tier)Quality: composite score (0-100)