Expired50% confidenceFactExact time
GPT-5.6 Pro's thinking time has increased noticeably, essentially trading longer reasoning time for higher-quality output, similar to Claude's development path.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
UnverifiedGPT-5.5 is reportedly significantly improved in numerical reasoning and multi-step planning.81% similarUnverifiedGPT-5.6's Max mode gives Soul more reasoning time to produce longer reasoning chains, which is essentially deep independent thinking by a single model, similar to Anthropic Claude's Extended Thinking.80% similarUnverifiedGPT-5.5 has undergone significant optimization in inference latency, adopting more efficient attention mechanisms and inference acceleration technologies.79% similarUnverifiedGPT-5.6最大的进步不是写代码更快，而是更像一个真正的技术负责人在思考问题78% similarUnverifiedGPT-5.6 introduces a Max Reasoning mode, similar to Claude's Deep Thinking mode.75% similar
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