SWE-ContextBench (Oracle Summary) - Function Localization: leaderboard

Metric: Function correct-location rate (%): the patch edits the functions of the reference fix (SWE-ContextBench: 376 related GitHub issues across 39 repositories and 8 languages, linked by issue and pull request references to 1,100 SWE-Bench Lite, Multilingual and Verified experience tasks; each model runs inside its coding-agent harness in a fresh repository checkout; oracle summary setting: the agent is given the gold related experience task's summary (about 217 tokens, the final summary of a Claude Code with Claude Sonnet 4.5 trajectory)); higher is better. Source: arxiv.org. Saturation forecast: Around 2029. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.3 Codex18.18#68
2Qwen 3.5 Plus16.09#123
3Claude Sonnet 4.515.78#138
4GLM-515.32#137
5MiniMax-M2.714.75#248

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=swe-contextbench-oracle-summary-function-localization · How It Works · Data refreshed daily, snapshot 2026-10-11.