DeepSeekLaunchAI ModelsOctober 17, 2026

DeepSeek releases V4.1-Flash-1017 open-weights update

Read original source →huggingface.co

DeepSeek calls it a "minor update," but Terminal-Bench 4.0 jumps from 31.2 to 42.3 and DeepSWE hits 77.0, above Opus 5 (74.0) and GPT-5.6 Sol (73.0). Artificial Analysis scores it 45 on its Intelligence Index, +6 points and tied for #2 among open-weights models.

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