Boards Coding SWE-Bench Pro leaderboard: who is #1 Scale AI · Resolved, higher is better · 18 models · published Nov 9, 2026
Top 18 of 18 models, best variant per model as published
# Model Resolved Score Correct 1 Claude Opus 5 as “Opus 5 (Claude Code) xhigh” 98.0% 2 Claude Fable 5.1 as “Fable 5.1 (Claude Code) high” 92.2% 3 New, entered at #3 since Oct 15, 2026 Gemini 4 Argon as “Gemini 4 Argon (mini-swe-agent) high” 92.2% 4 down from #3 since Oct 15, 2026 GPT-6 Astra as “GPT-6 Astra (Codex) high” 90.2% 4 New, entered at #4 since Oct 15, 2026 Muse Wonder 1.0 Max Effort as “Muse Wonder 1.0 (mini-swe-agent) xhigh” 90.2% 6 down from #4 since Oct 15, 2026 Claude Sonnet 5 as “Sonnet 5 (Claude Code) xhigh” 88.2% 6 down from #4 since Oct 15, 2026 Kimi K3 as “Kimi-K3 (mini-swe-agent) max” 88.2% 8 down from #6 since Oct 15, 2026 GPT-5.6 Terra as “GPT-5.6 Terra (Codex) xhigh” 86.3% 9 New, entered at #9 since Nov 6, 2026 ? Inkling Small 2 86.3% 10 down from #9 since Nov 6, 2026 MiniMax M3P1 Flash as “Minimax M3p1 Flash (mini-swe-agent) xhigh” 84.3% 11 down from #10 since Nov 6, 2026 GLM-5.3 as “GLM-5.3 (mini-swe-agent) max” 84.3% 12 down from #11 since Nov 6, 2026 GPT-5.6 Sol as “GPT-5.6 Sol (Codex) xhigh” 82.4% 13 down from #12 since Nov 6, 2026 Muse Spark Open as “Muse Spark Open (mini-swe-agent) xhigh” 82.3% 14 down from #13 since Nov 6, 2026 Claude Sonnet 5.5 as “Sonnet 5.5 (mini-swe-agent) xhigh” 70.6% 15 down from #14 since Nov 6, 2026 Gemini 3.8 Flash as “Gemini 3.8 Flash (mini-swe-agent) high” 58.8% 16 down from #15 since Nov 6, 2026 T Inkling as “Inkling (mini-swe-agent) xhigh” 56.9% 17 down from #16 since Nov 6, 2026 Claude Haiku 5.5 as “Haiku 5.5 (mini-swe-agent) high” 52.9% 18 down from #17 since Nov 6, 2026 Claude 4.5 Haiku as “Haiku 4.5 (Claude Code) xhigh” 25.5%
About this board and its history What it measures Long-horizon software engineering tasks from real repositories: the public V2 set (relaunched September 2026), resolve rate on the Hard split the board opens on.
Rank at each month's end 1 2 3 4 5 6 7 8 9 10 Sep Oct Now 1 Claude Opus 5 2 Claude Fable 5.1 3 Gemini 4 Argon 4 GPT-6 Astra 4 Muse Wonder 1.0 Max Effo 6 Claude Sonnet 5 
Modelsby Glyph