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@alexalbert__
Research @AnthropicAI. Opinions are my own!
AI
Anthropic says it costs around 75% less to run on average than Haiku 4.5 and improves coding and computer use.
AI
Anthropic says Sonnet 5.5 runs more than 30% faster than Sonnet 5. In pre-release max-effort tests, Artificial Analysis measured per-task costs roughly 50% higher than Sonnet 5’s.
AI
Anthropic says Opus 5.5 performs at Claude Fable 5.1's level for most tasks. Every reports strong visual results from a week of testing, but recommends setting a budget and a clear stopping point.
AI
The Claude team says the update brings Docs, Slides and Design into every conversation, with outputs users can edit and download.
AI
Amodei says Anthropic will give third-party evaluators permanent, employee-level access to its systems to verify adherence to safety measures, report incidents and assess models’ alignment during training.
Technology
Anthropic just dropped Claude Fable 5.1, a powerhouse AI model that doubles down on tough coding challenges and long projects, making complex work feel more manageable.
AI
Post from Anthropic's Head of Developer Relations highlights Enterprise Frontier Safeguards with Fable 5.1.
AI
Updated model targets coding, reasoning, and long-running agentic tasks.
