Unverified50% confidenceEventExact time
According to the information in PR #1, Claude Opus 5.5's optimization work was submitted in the form of a pull request.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/14/2026
First Seen
Valid until: 10/28/2026
Sources
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Related Claims
UnverifiedClaude Opus 5.5 is a frontier-level intelligence model that provides a level of intelligence comparable to top models such as GPT-6 Astra, but is faster and cheaper.61% similarUnverifiedIn the optimization workflow of web-edit 0.1a1, GPT-6 Astra was responsible for diagnosing performance bottlenecks, Claude Opus 5.5 was responsible for rewriting the code, and Simon Willison was responsible for reviewing, merging and releasing the results.60% similarUnverified让 Opus 5 扮演架构师制定计划，再把具体执行分配给 Opus、Sonnet、GPT 5.5 或本地模型，可避免在低层次任务上浪费 Token59% similarUnverifiedOpus 5.5's release page directly uses GPT-6's Astra as its comparison target.56% similarUnverifiedOpus 5 scored 90.8% on the BrowseComp search benchmark, on par with GPT 5.6.56% similar
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