Best OpenAI Models for Coding

Match · Updated July 2026

GPT-5.6 Sol is the best OpenAI model for coding, with a 77.4 Artificial Analysis Coding Index across benchmarks like SWE-bench and SciCode. GPT-5.6 Terra (76.7) and GPT-5.5 (74.9) round out the top three.

77.4Coding

58.9Intelligence

$5.00Input /M

1.1MContext

AI models ranked by the Artificial Analysis Coding Index, measuring real-world software engineering ability across benchmarks like SWE-bench, SciCode and terminal tasks. The best AI coding models for code generation, debugging and agentic development.

Frequently asked

What is the best OpenAI model for coding?

What's a good alternative to GPT-5.6 Sol?

GPT-5.6 Terra (76.7) is the closest alternative on this metric, followed by GPT-5.5 (74.9). See the full ranking above for the tradeoffs.

How many OpenAI models are there?

modelgrep tracks 70 OpenAI models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GPT-5.6 Sol. 25 of them qualify for this ranking.

More OpenAI rankings

OpenAI: Smartest LLMs OpenAI: Best LLMs for Design & Frontend OpenAI: Fastest LLMs OpenAI: Lowest-Latency LLMs OpenAI: Cheapest LLMs OpenAI: Best Free LLMs OpenAI: Best Reasoning LLMs OpenAI: Best Vision LLMs OpenAI: Best LLMs for Agents OpenAI: Best Open-Source LLMs OpenAI: Longest-Context LLMs OpenAI: Best LLMs for Writing OpenAI: Best LLMs for Math & Science OpenAI: Best LLMs for RAG OpenAI: Best LLMs for SQL & Data Analysis OpenAI: Best LLMs for Roleplay OpenAI: Best Uncensored LLMs

All rankings

Small & Fast LLMs Best Local LLMs Smartest LLMs Best LLMs for Design & Frontend Fastest LLMs Lowest-Latency LLMs Cheapest LLMs Best Free LLMs Best Reasoning LLMs Best Vision LLMs Best LLMs for Agents Best Open-Source LLMs Longest-Context LLMs Best LLMs for Writing Best LLMs for Math & Science Best LLMs for RAG Best LLMs for SQL & Data Analysis Best LLMs for Roleplay Best Uncensored LLMs