Unverified50% confidenceBenchmarkExact time
On Terminal Bench, Claude Opus 5.5 scored 59.6 on Meta's table and 66.4 on Google's table, leading its competitors in both.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/18/2026
First Seen
Valid until: 11/1/2026
Sources
Related Entities
Related Claims
Partially VerifiedOn Terminal-Bench 4.0, Claude Opus 5.5 leads with 66.4%, followed by GPT-6 Astra at 61.8% and Argon at 57.4%.74% similarUnverifiedThe model scored 51 points on the Agentic Index, surpassing Claude Opus's highest reasoning tier, but fell behind the Claude Opus level on Terminal Bench and GPQA Diamond.74% similarUnverifiedClaude Opus 5.5 scores approximately 66.4 on Terminal Bench.72% similar
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