DeepSeek released on October 17, 2026 an update to its AI model, DeepSeek-V4.1-Flash-1017, designed to be faster and leaner. On the DeepSWE v1.1 benchmark, the new model scored 77.0%, compared to 74.2% for the previous version and 74.0% for Anthropic’s Claude Opus 5. Per-task costs are under 0.20 to 0.25 dollar, compared with 2 to over 10 dollars for competitor models. The company is opening its Search & Fetch APIs to outside developers for the first time, priced at 0.75 dollar per 1,000 calls, with free access until November 1, 2026.
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