As of: 2026-10-18 07:35 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/p/x-thom_wolf-2111401132840890440/

# “we’re getting used to it by now but DeepSeek calling this a ‘minor update’ while…”

Thomas Wolf (@thom_wolf), X, 2026-10-17.
Source: https://x.com/thom_wolf/status/2111401132840890440

## Archived text

> we’re getting used to it by now but DeepSeek calling this a “minor update” while moving Terminal-Bench 4.0 from 31.2 to 42.3 is very funny.
> 
> also reports 77.0 on DeepSWE (vs 74.0 for Opus 5 and 73.0 for GPT-5.6 Sol…)
> 
> and the most interesting line may be faster task completion with shorter outputs. using fewer tokens is one of the practical way the cost curve collapses often done as an afterthought
> 
> all with MIT-licensed weights in DeepSeek tradition
> 
> now curious to see how these numbers will hold up outside their own eval setup
> 
> > Quoting @deepseek_ai: 🚀 DeepSeek-V4.1-Flash-1017 is here!
> > 
> > Stronger benchmark performance, faster task completion, and shorter outputs than the previous version—a Pareto improvement in performance and cost. Now live on our website, app, and API.
> > 
> > 🛠️ Optimized for @DeepSeekHarness, Tencent CodeBuddy, WorkBuddy, and more. Upgrade to DeepSeek Harness v0.2.1-rc.1 or later for the best experience with the new model.
> > 
> > 1/4

Archived 2026-10-18 via fxtwitter (unofficial).
Counts: 64,555 views, 793 likes, 44 reposts, 66 replies (at fetch time)

## Cited in

- 2026-10-17: [DeepSeek-V4.1-Flash-1017 update: big agentic-coding gains, same price](https://postcutoff.com/e/2026-10-17-deepseek-v4-1-flash-1017/)