Is Rate Limit Error the same as 429 error?

Yes — 429 error, throttling are common aliases for Rate Limit Error.

What concepts are related to Rate Limit Error?

Closely related concepts include retry with backoff, tokens per minute, requests per minute.

ModelRefs / Rate Limit Error — AI Glossary

Rate Limit Error — AI Glossary

An HTTP 429 error returned by LLM APIs when a caller exceeds their token-per-minute or request-per-minute quota.

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