Unverified60% confidenceFactExact time
The three-tier classification system of GPT 5.6 is similar to the three-tier Opus/Sonnet/Haiku design of the Anthropic Claude family
2
Sources
60%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
GPT 5.6+Codex深度实测：三档模型与Ultra模式全解析
bilibilioil欧呦7/10/2026
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