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See what Nova3 builds →Related updates
- Jun 27, 2026OpenAI retired GPT-4.5 in ChatGPT, including custom GPTs, with existing conversations continuing on GPT-5.5.
- Jun 27, 2026Anthropic removed model-card text covering Claude Fable 5 and Claude Mythos 5.
- Jun 26, 2026Anthropic modelcard removed model overview content for Claude Fable 5 and Mythos 5
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