Dettmers switches to DeepSeek v4.1 and MiMo v2.6 Flash for long-horizon work

Tim_Dettmers · x · 2026-09-23

Tim Dettmers shares his current main models: DeepSeek v4.1 and MiMo v2.6 Flash compact exceptionally well with CliffCompaction and easily beat Astra on long-horizon, medium-complexity problems like engineering and kernel development; Astra remains useful for hard problems.

Related event: Tim Dettmers Open-Sources CliffCompaction, Cutting Long-Context Agent Token Costs by 50%(8 posts)→

Original post →

More from coding & agent

coding & agent channel →