DeepSeek Just Released V4.1-Flash-1017, Scores 77.0 on DeepSWE, Opens Search API

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DeepSeek has released DeepSeek-V4.1-Flash-1017, a new checkpoint available via its website, app, and API. This model offers faster task completion, shorter outputs, and a Pareto improvement in performance and cost. It outperforms flagship models on key benchmarks, scoring 77.0 on DeepSWE v1.1, beating Opus 5 and GPT-5.6 Sol. Additionally, it leads in Terminal-Bench 4.0 with 42.3 and Agents' Last Exam with 35.4. DeepSeek also opened its Search API alongside this release.
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