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Anthropic’s new Claude 4.1 dominates coding tests days before GPT-5 arrives


Anthropic's Claude Opus 4.1 achieves 74.5% on coding benchmarks, leading the AI market, but faces risk as nearly half its $3.1B API revenue depends on just two customers.

Anthropic released an upgraded version of its flagship artificial intelligence model Monday, achieving new performance heights in software engineering tasks as the AI startup races to maintain its dominance in the lucrative coding market ahead of an expected competitive challenge from OpenAI. “Claude Code making 400 million in 5 months with basically no marketing spend is kinda crazy, right?” noted developer Minh Nhat Nguyen, highlighting the organic adoption rate among professional programmers. GitHub reports that Claude Opus 4.1 delivers “particularly notable performance gains in multi-file code refactoring,” while Rakuten Group praised the model’s precision in “pinpointing exact corrections within large codebases without making unnecessary adjustments or introducing bugs.”

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