Understanding the DeepSeek V4.1 Flash 1017 Update: All 11 Benchmarks Improved, Price Didn’t Go Up a Cent
On October 17, 2026, DeepSeek quietly upgraded V4.1 Flash to DeepSeek-V4.1-Flash-1017. The company called it a minor update, but the published results tell a different story: all 11 listed benchmarks improved, and Terminal-Bench 4.0 jumped by 11.1 points. That’s more than a minor tweak. Most developers have two questions: What exactly improved in DeepSeek V4.1…
