Expired50% confidenceFactExact time
OpenAI has abandoned its previous Max/Medium/Mini tiered naming convention in favor of a style similar to Anthropic's Fable/Opus/Sonnet/Haiku.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026(expired)
Sources
Related Claims
Unverified过去OpenAI的模型命名体系包括O系列、4O、Mini、High等，命名混杂让用户难以分辨69% similarUnverifiedOpenAI uses a celestial naming system of Luna/Terra/Sol, similar to the three-tier stratification strategy of Anthropic's Haiku/Sonnet/Opus and Google's Flash/Pro/Ultra.67% similarUnverifiedVendors such as OpenAI and Anthropic typically maintain two product lines simultaneously—a lightweight version and a flagship version—such as Anthropic's Haiku/Sonnet/Opus lineup and Google's Flash/Pro lineup.64% similarUnverifiedThe OpenAI Codex extension offers three reasoning levels: Minimal/Low, Medium, and High, with the default set to Medium.64% similarUnverifiedDomestic large models such as DeepSeek, Kimi, and Tongyi Qianwen follow the standard OpenAI-compatible API format (e.g., /v1/chat/completions), which is incompatible with Codex's Azure-style paths.62% similar
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