DeepSeek V4.1-Flash-1017: A 763-Billion Parameter Open Model That Developers Claim Beats Claude Opus 5 on Coding Benchmarks
DeepSeek has released the open-source V4.1-Flash-1017 model with 763 billion parameters: according to its own data, it outperformed Claude Opus 5 and GPT-5.6 Sol on coding tests and became cheaper via API.
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