No credit card20
Production-grade free tiers that never ask for a card.
OpenAI-compatible30
Keep your code — just swap base_url and key.
No card, no phone12
The lowest-friction keys: no card, no phone number.
Embeddings / RAG11
Free vector embeddings for search and RAG.
Speech (STT/TTS)17
Free transcription and text-to-speech tiers.