DeepSeek upgrades V4.1 Flash to DeepSeek-V4.1-Flash-1017
Original titleDeepSeek-V4.1-Flash-1017 Update
AISummary
DeepSeek has upgraded its V4.1 Flash model to DeepSeek-V4.1-Flash-1017, with web and app models updated too. The API pricing and calling method are unchanged, and developers access it by using deepseek-flash. The company reports gains across benchmarks, including 77.0 on DeepSWE v1.1 and 42.6 on HLE without tools, alongside shorter task runtime and output length.
AIWhy it matters
The update lists benchmark gains alongside lower task runtime and output length, showing how the model's cost-performance balance changed from its predecessor.
Source: DeepSeek API News · api-docs.deepseek.comPublished · added here