Expired50% confidenceBenchmarkExact time
GPT-5.6's peak pass rate under a two-hour limit on ExploitGym increased from 15.1% to 24.9%, and reached 33.7% when the limit was extended to 6 hours.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
Related Claims
UnverifiedGPT-5.6 on cybersecurity benchmarks: ExploitBench generation 2 at 73.5% (previous generation 47.9%); ExploitGym two-hour-limit peak pass rate increased from 15.1% to 24.9% (reaching 33.7% at 6 hours); CyberSecBench Pro at 71.2% (previous generation 45.8%).80% similarUnverifiedGPT-5.5 frequently pauses to ask for permission, causing each message to consume only 0.1%–2% of the 5-hour quota.76% similarPartially VerifiedAll three GPT-5.6 models achieved a perfect score of 10 on the long-horizon agent fine-tuning task, while GPT-5.5 and Opus 4.7 could only score two or three points on that task.73% similarUnverifiedGPT-5.6 introduces Max reasoning intensity and Ultra mode, and expands the context window from 1 million to 1.5 million tokens, a 43% increase.73% similarUnverifiedGPT 5.1 claims to be 2x faster than GPT 5 on simple tasks, with a 2x depth improvement on complex tasks and a 56% reduction in hallucinations.73% similar
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