Free OpenAI: Whisper Large V3 Turbo
Whisper Large V3 Turbo is an optimized version of OpenAI's Whisper Large V3 speech recognition model, designed for speed and cost efficiency. It supports transcription across 99+ languages with a 12% word error rate, and accepts common audio formats including mp3, mp4, wav, webm, flac and ogg. Achieves real-time speed factors up to 216x, making it well-suited for latency-sensitive and high-throughput transcription workloads.
Use via API
curl -X POST https://api.rewind.ai/v1/stt/ \
-H "Authorization: Bearer sk-rewind-..." \
-H "Content-Type: application/json" \
-d '{"model":"openai/whisper-large-v3-turbo","audio_url":"https://..."}'API Documentation Get API Key