Best LLM for Coding Agents (2026)

Cloud LLM Comparison for Coding Agents (2026)

Multi-source benchmark comparison of cloud LLMs for coding agents. Scores from our 38-task benchmark, Aider edit leaderboard, and LMSYS Arena.

ModelProviderOur ScoreAider ScoreLMSYS EloCost/TaskSpeedPrivacyInstall
Claude Sonnet 4.6Anthropic100.0%N/A1287$0.005253 tok/sNo trainingaider --model claude-sonnet-4-6
Claude Opus 4.6Anthropic98.6%N/A1280$0.018138 tok/sNo trainingaider --model claude-opus-4-6
MiniMax M2.5Minimax98.6%N/AN/A$0.001898 tok/sUnknownaider --model minimax/minimax-m2.5
Kimi K2.5Moonshot98.6%N/A1265$0.003448 tok/sUnknownaider --model moonshotai/kimi-k2.5
Gemini 2.5 ProGoogle98.3%N/A1295$0.0187116 tok/sNo trainingaider --model gemini-2.5-pro
GPT-5.2 CodexOpenai98.3%N/A1285$0.004240 tok/sOpt-outaider --model gpt-5.2-codex
GPT-5.2Openai98.0%N/A1290$0.003859 tok/sOpt-outaider --model gpt-5.2
Gemini 2.5 FlashGoogle97.1%N/A1260$0.0001112 tok/sNo trainingaider --model gemini-2.5-flash
DeepSeek R1Deepseek96.8%N/A1270$0.003239 tok/sUnknownaider --model deepseek/deepseek-r1
Claude Haiku 4.5Anthropic95.9%N/AN/A$0.000977 tok/sNo trainingaider --model claude-haiku-4-5-20251001
GPT-5 NanoOpenai94.8%N/A1220$0.0007104 tok/sOpt-outaider --model openai/gpt-5-nano
DeepSeek V3Deepseek88.7%N/A1240$0.000220 tok/sUnknownaider --model deepseek/deepseek-chat