Expired60% confidenceReleaseExact time
GPT-5.6 adds two higher levels, Max and Ultra, on top of the original four thinking intensity levels of Low, Medium, High, and X-High.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/10/2026
First Seen
Valid until: 10/8/2026(expired)
Sources
Related Claims
UnverifiedEach GPT-5.6 model can be configured with different thinking intensities, with the highest level being Ultra.84% similarUnverifiedGPT-5.6 Sol introduces two new reasoning levels, Max and Ultra.83% similarUnverifiedGPT 5.6 has added an Ultra thinking tier; previously the maximum thinking intensity in Codex could only be set to Extra High.83% similarUnverifiedIn the CLI environment, GPT-5.6's reasoning intensity has an even higher "MAX" tier and even a "MAXMAX" tier82% 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
Cite This Claim
Stable URI
https://kongchang.com/claim/452317API
curl https://kongchang.com/api/v1/knowledge/claims/452317MCP
get_claim(id=452317)