Claude Opus 5.5: price, plans and fast mode
Opus 5.5 costs $4 per million input tokens and $20 output, 20% below Opus 5. See which Claude plans include it and when fast mode is worth double the rate.
#anthropic-api
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Claude Code "model overloaded": what to do
Claude Code shows an overloaded message when Anthropic's API returns HTTP 529. Tell that apart from a 429 rate limit and from a plan usage limit.