Open coding models close in on the frontier: DeepSeek V4 Pro scores 80.6% on SWE-bench, Qwen3.8-Max claims 16-day run

Aug 3, 2026 · Issue 1 · 4 sources, 4 articles

A roundup reports that DeepSeek V4 Pro scored 80.6% on the SWE-bench Verified test, suggesting open coding models have caught up with the frontier. The Alibaba Qwen team has released Qwen3.8-Max, which it promotes with a 16-day autonomous coding run.

Who is affected and how

tech lead

Open models that can be run in-house are realistic alternatives and are worth comparing on your own tasks.

CTO

Open models put pressure on the pricing of closed vendors.

Narrative: Open and Chinese models drive down prices

Sources

• The 10 Best Open-Source Coding LLMs Right Now (and Which Ones You Can Actually Run)medium.com · Aug 3, 2026
• Best Open Source AI for Business: 2026 Picksperplexityaimagazine.com · Aug 7, 2026
• The Best Open-Source Coding LLMs in 2026 (Ranked ...pub.towardsai.net · Aug 7, 2026
• Alibaba Qwen3.8-Max claims 16-day autonomous coding rundeveloper-tech.com · Aug 3, 2026

Machine-generated summary based on the titles and excerpts of the source articles. The facts come from the linked article.