Fix clw-llm-limit-exceeded: OpenClaw exceeds LLM API rate limits

Sun, 19 Apr 2026 23:19:13 +0800

1. Symptoms

The clw-llm-limit-exceeded error in OpenClaw manifests during high-volume LLM inference or generation tasks. Users typically encounter it when making rapid successive API calls to providers like OpenAI, Anthropic, or Grok.

Common symptoms include:

[2024-10-18 14:32:15] ERROR: clw-llm-limit-exceeded: Rate limit exceeded for model ‘gpt-4o’. Current RPM: 500/500. Retry-After: 60s.

Traceback (most recent call last): File “/app/main.py”, line 45, in generate_response response = clw.llm.generate(prompt) File “/lib/openclaw/core.py”, line 289, in generate raise LLMLimitExceededError(f"LLM provider rate limit exceeded: {details}") clw.errors.LLMLimitExceededError: LLM provider rate limit exceeded. Headers: {‘X-RateLimit-Remaining’: ‘0’, ‘Retry-After’: ‘42’}

Exponential-Backoff on ErrorVault — Developer Error Code Dictionary

Fix clw-llm-limit-exceeded: OpenClaw exceeds LLM API rate limits

1. Symptoms

Common symptoms include: