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Anthropic-owned Claude just released this: “Introducing the Claude Opus 5.5, the first model in our new Claude 5.5 family.
It performs at Claude Fable 5.1 level for most tasks and costs 40% less to run than the Opus 5. "
ChatGPT users watching Opus 5.5 drop
It beats Astra in agentic coding • 1846 vs 1542 on GDPval-AA • ~20% of Astra’s cost on FrontierCode • 30%+ faster than Opus 5 • higher Claude usage limits Anthropic didn’t drop a model. They dropped a bomb on ChatGPT users 😭
[Breaking News] Claude Opus 5.5 released by Anthropic, with performance similar to Fable 5.1 but 40% cheaper than Opus 5
・Input 1 million tokens $4, output $20. 20% price reduction from Opus 5 ・Sonnet 5.5 and Haiku 5.5 will also be released in the next few weeks ・Biological and cyber fields have the same usage restrictions as Fable 5.1 There is a 34% chance that Claude 6 will be released by the end of March next year.
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