Free model apis

Cerebras gives new accounts $5 in free inference credits after a verified payment method is added.

Cohere evaluation/trial keys are free and limited to 1,000 API calls per month, with endpoint-specific per-minute limits.

Exa's Starter plan gives new accounts $20 in signup credits and adds $10 in credits every month without requiring a payment method.

Eligible Gemini models have free-of-charge input and output tokens within model-specific rate limits.

Groq publishes a Free-plan table. Listed GPT-OSS and Qwen text models currently show 200,000 tokens and 1,000 requests per day.

Tavily's free plan includes 1,000 API credits per month for AI web search and extraction.