Anthropic Launches Claude Opus 5.5
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Opus 5.5 (the new default model released on September 22), and Codex (OpenAI's coding AI). Which one should you actually use?I'll give you the answer first. Use Opus 5.5 as the main engine. Call Fable ...
Claude Opus 5.5 provide Fable 5.1-level performance on most work while Anthropic says typical workloads cost 40% less than ...
Anthropic launches Claude Opus 5.5 with stronger coding, knowledge work, safety, faster output and 40% lower costs than Opus 5.
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