Expired70% confidenceFactTime unknown
GPT 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.
1
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
6/3/2026
First Seen
Valid until: 9/1/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedGPT-5.6 shows a marked leap in agentic programming and computer operation capabilities, able to handle complex long-running tasks while maintaining contextual coherence.78% similarVerifiedOn complex tasks (top 10%), GPT-5 Codex uses more than twice the tokens to perform deeper reasoning.78% similarUnverifiedSam Altman stated that due to improved reasoning capabilities, the actual number of tokens consumed per task by GPT-5.5 is fewer than that of GPT-5.4.78% 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.77% similar
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