SWE-Bench Pro leaderboard: who is #1

Name: SWE-Bench Pro rankings
Creator: Scale AI
License: https://creativecommons.org/licenses/by/4.0/

Scale AI · Resolved, higher is better · 11 models · published Sep 24, 2026

Top 11 of 11 models, best variant per model as published

#	Model	Score
1	Claude Opus 5as “Opus 5 (Claude Code) xhigh”	98.0%
2	Claude Fable 5.1as “Fable 5.1 (Claude Code) high”	92.2%
3	GPT-6 Astraas “GPT-6 Astra (Codex) high”	90.2%
4	Claude Sonnet 5as “Sonnet 5 (Claude Code) xhigh”	88.2%
4	Kimi K3as “Kimi-K3 (mini-swe-agent) max”	88.2%
6	GPT-5.6 Terraas “GPT-5.6 Terra (Codex) xhigh”	86.3%
7	GLM-5.3as “GLM-5.3 (mini-swe-agent) max”	84.3%
8	GPT-5.6 Solas “GPT-5.6 Sol (Codex) xhigh”	82.4%
9	Gemini 3.8 Flashas “Gemini 3.8 Flash (mini-swe-agent) high”	58.8%
10	Inklingas “Inkling (mini-swe-agent) xhigh”	56.9%
11	Claude 4.5 Haikuas “Haiku 4.5 (Claude Code) xhigh”	25.5%

About this board and its history

Long-horizon software engineering tasks from real repositories, public set, resolve rate.

Scores as published by Scale AI on the capture date (2026-09-24). Source: scale.com leaderboard page.