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Speech & Voice

Explore speech-to-text and text-to-speech APIs including Whisper, Google Cloud Speech, and ElevenLabs. Compare voice quality, language support, real-time streaming, and free tier limits for your voice application.

4 APIs

ElevenLabs API
Ultra-realistic AI voice cloning and text-to-speech
🌐 FREEMIUM ✓ Verified
Auth Method API Key
Free Tier Yes — 10,000 characters/month free
★ 4.9
OpenAI Whisper API
Open-source speech-to-text transcription in 99 languages
🌐 PAID ONLY ✓ Verified
Auth Method API Key
Free Tier Included in $5 signup credit
★ 4.8
AssemblyAI API
Speech recognition + audio intelligence, transcription, sentiment, summaries
🌐 FREEMIUM ✓ Verified
Auth Method API Key
Free Tier Yes — $50 free credit on signup
★ 4.6
Google Cloud Text-to-Speech API
380+ voices across 50+ languages with WaveNet and Neural2
🌐 FREEMIUM ✓ Verified
Auth Method API Key
Free Tier Yes — 4 million characters/month free
★ 4.6