DeepSeek-V4.1-Flash changelog

Every change to DeepSeek-V4.1-Flash that Modelpeers has recorded, newest first, each with the source it came from. The record starts Sep 10, 2026.

All (8)Releases (3)Prices/limits (2)Security (1)Benchmarks (2)

October 2026

Muse Wonder, Muse Wonder Full, V4.1-Flash

6 models from Meta and DeepSeek and Z.ai and SpaceXSI and Moonshot AI

Benchmark1w

Vals Index: Muse Wonder Full fourth, DeepSeek V4.1 Flash 1017 eighth at $0.66 per test

The Vals Index, updated October 22, 2026, ranks Muse Wonder Full fourth at 66.79% and Muse Wonder sixth at 64.88%. DeepSeek V4.1 Flash 1017 is eighth at 61.26% for $0.66 per test, GLM 5.3 ninth at 59.73%, Grok 4.7 12th at 58.56% and Kimi K3 19th at 52.95%.

V4.1-Flash

Model at DeepSeek

Benchmark1w

Epoch: DeepSeek-V4.1-Flash-1017 scores 93% on GPQA Diamond and 71% on FrontierMath tiers 1-3

Epoch benchmark data, with runs started October 19, 2026, records deepseek-v4.1-flash-1017 at max effort at 0.932 on GPQA Diamond, 0.712 on FrontierMath tiers 1-3 and 0.463 on tier 4.

Get this changelog in a feed reader with the RSS feed.