What are AI API rate limits?

Rate limits restrict requests per minute (RPM), tokens per minute (TPM), and requests per day (RPD). Limits vary by provider, model, and subscription tier.

How do I handle rate limits?

Implement exponential backoff, queue requests, use multiple API keys if allowed, and upgrade your tier if you consistently hit limits.

Which provider has the highest rate limits?

DeepSeek and Google Gemini generally offer the highest rate limits for budget models. Enterprise plans from OpenAI and Anthropic offer higher limits.

AI API Rate Limits Compared: Every Provider's Limits in 2026

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