AA Coding Agent Index v2.0 - FrontierCode v1.1: leaderboard

FrontierCode v1.1 Main component of AA's Coding Agent Index v2.0: 100 of Cognition's 150 unreleased software-engineering tasks, solved by each model inside the coding-agent harness named in its row with internet access, three attempts per task; an attempt scores zero if a blocking check fails or it fetched the upstream solution, otherwise 70-100% rubric credit. Mean score (%).

Metric: Mean Score (%). Source: artificialanalysis.ai. Saturation forecast: Around 2030. 30 models tracked.

Top models

#ModelScoreOverall rank
1DeepSeek V4.1 Flash (Max)52.6#37 (DeepSeek V4.1 Flash)
2Gemini 4 Carbon (High)50.87#1 (Gemini 4 Carbon)
3GPT-6.1 Sol (Max)49.41#7 (GPT-6.1 Sol)
4GPT-6 Astra (Max)49.3#6 (GPT-6 Astra)
5Muse Wonder Full (Max)48.73#12 (Muse Wonder Full)
6Gemini 4 Argon (High)48.57#9 (Gemini 4 Argon)
7GLM-5.3 (Max)48.25#44 (GLM-5.3)
8Claude Haiku 5.5 (Max)47.37#43 (Claude Haiku 5.5)
9Muse Spark 1.3 (Max)46.7#31 (Muse Spark 1.3)
10DeepSeek V4.1 Flash (1017) (Max)46.55#27 (DeepSeek V4.1 Flash (1017))
11Muse Wonder (Max)46.39#18 (Muse Wonder)
12GPT-6.1 Terra (xHigh)44.95#15 (GPT-6.1 Terra)
13Qwen 3.8 Max44.81#34
14mistral-large-4-oss (High)44.55#60 (mistral-large-4-oss)
15GPT-6.1 Terra (Medium)43.75#15 (GPT-6.1 Terra)

No result here: #3 Claude Opus 5.5, #10 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=aa-coding-agent-index-v2-0-frontiercode-v1-1 · How It Works · Data refreshed daily, snapshot 2026-11-05.