Unverified50% confidenceBenchmarkExact time
The top spot on the Code Arena leaderboard is Claude Opus 5.5 Max with a score of 1809.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/31/2026
First Seen
Valid until: 11/14/2026
Sources
Genie 4 Opens Its API: World Models Move from Demo to Product
youtubeToken Tape10/28/2026
Related Entities
Related Claims
UnverifiedIn six app-building head-to-heads, Claude Opus 5.5 won all of them.64% similarUnverifiedClaude Opus 5.5 performance matches Claude 5.1 on most tasks, input and output pricing have both been reduced, and usage limits for Pro Max and Team users have been increased.60% similarUnverifiedClaude Opus 5 approaches Fable-level performance on the FrontierCode 1.1 benchmark while costing only half as much59% similarUnverifiedAccording to Anthropic's system card, Claude Opus 5.5 reaches 89.9% accuracy on SWE-bench Pro, and the BenchLM October 2026 leaderboard also repeats this figure.59% similarUnverifiedIn terminal operation tests, Claude Opus 5.5 performs more strongly.58% similar
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