OpenAIAnthropicGooglexAIPerplexity
← Back to all updatesPublished ·Anthropic◆ Critical
Fast mode requests to claude-opus-4-7 now error; Claude Opus 4.7 remains available at standard speed.
The read
Do not rely on fallback behavior: fast requests fail unless you move to Claude Opus 5 or Claude Opus 4.8.
The frame
This separates Claude Opus 4.7 from Claude Opus 4.6 behavior, so speed settings need explicit model routing.
Primary source
Anthropic →Keep reading
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