9 releasesJuly 17 – August 17, 2026August 18, 2026
Open Source AI Report: August, 2026
Nine open-weight model releases in 31 days. DeepSeek's V4 Pro 0813 reached #2 on Vals AI's SWE-bench Verified board — 0.6 points behind Claude Opus 5, at roughly a twelfth of the price.
Open weightsBenchmarksSWE-benchDeepSeekKimi K3QwenPDF slide deck