Aider Polyglot Leaderboard: leaderboard

A practical coding benchmark measuring LLM ability across multiple languages via the Aider AI coding assistant. Tests real edit/apply workflows - closer to everyday dev work than competition benchmarks.

Metric: Pass rate (%). Source: aider.chat. Source: benchmarklist.com. 69 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 (High)88#98 (GPT-5)
2GPT-5 (Medium)86.7#98 (GPT-5)
3O3 (High)81.3#124 (O3)
4GPT-5 (Low)81.3#98 (GPT-5)
5O376.9#124
6Gemini 2.5 Pro (Preview 05-06)76.9#147
7DeepSeek V3.2 Exp74.2#234
8Gemini 2.5 Pro (Preview 03-25)72.9#123
9O4 Mini (High)72#180 (O4 Mini)
10Claude Opus 4 (20250514) (Thinking)72#154 (Claude Opus 4 (20250514))
11DeepSeek R1 052871.4#222
12Claude Opus 4 (20250514)70.7#154
13Claude Opus 4 (Non-reasoning)70.7#163 (Claude Opus 4)
14Claude 3.7 Sonnet (20250219) (Thinking)64.9#201 (Claude 3.7 Sonnet (20250219))
15O1 (2024-12-17) (High)61.7#149 (O1 (2024-12-17))

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=aider-polyglot-leaderboard · How It Works · Data refreshed daily, snapshot 2026-10-20.