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27 articles found in Models & LLMs
OpenAI held GPT-5.6 to a small partner preview from June 26 to July 9, 2026 at the US government's request. Here is the timeline, how it compares with Anthropic's earlier freeze, and how to plan around launch gates.
Claude Opus 5 is now a legacy model: Opus 5.5 costs 20% less and defaults to medium effort. Here is how Opus 5's five effort levels work, what each Claude model costs, and when to stay on Opus 5.
Two of the three July frontier models now have successors. Here is what replaced GPT-5.6 Sol and Claude Fable 5, what Kimi K3 costs now that its weights are out, and which to pick by workload.
