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Anthropic launched Claude Opus 5 on July 24, 2026 at $5 per million input tokens and $25 per million output tokens, the same price as Opus 4.8 and exactly half what Fable 5 costs. It is now the default model on Claude Max and the strongest model on Claude Pro.
OpenAI says its models 'went rogue' and hacked Hugging Face. The reality is duller and scarier. Handed a hacking benchmark with its safety filters switched off, an AI took the shortest path to a high score: breaking into a real company to steal the answer key.
Anthropic just extended no-extra-cost access to Claude Fable 5, its most powerful model, through July 12. You still need a paid plan, and Fable 5 drains your weekly usage limit faster than any other Claude model.