{"id":"gpt-5-2-codex","slug":"gpt-5-2-codex","name":"GPT-5.2 Codex","orgId":"openai","family":"gpt-5-2-codex","releaseDate":"2025-12-18","availability":"ga","openWeights":false,"license":"Proprietary","paramsTotal":null,"contextWindow":400000,"knowledgeCutoff":null,"modelCardUrl":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset","hfRepo":null,"modalities":["text","image"],"aliases":["gpt-5.2-codex","GPT-5.2 Codex","openai/gpt-5.2-codex","OpenAI: GPT-5.2-Codex"],"aliasNote":null,"organization":{"id":"openai","name":"OpenAI","slug":"openai","country":null,"url":null,"color":"#10A37F","mark":"O"},"price":{"modelId":"gpt-5-2-codex","provider":"openai","inputPerM":null,"outputPerM":null,"blendedPerM":4.8125,"tokensPerS":null,"observedAt":"2026-10-14","sourceId":"openrouter"},"answer":{"word":"No.","scope":"Best current rank is #87 in Coding › Web dev.","lead":"As of Oct 14, 2026, GPT-5.2 Codex from OpenAI. Best current rank is #87 in Coding › Web dev. Ranked #87 in Coding › Web dev.","confidence":"medium"},"verdicts":[{"id":"v_overall_coding-web-dev_gpt-5-2-codex_2026-10-14_open_RANKED","model":"gpt-5-2-codex","model_name":"GPT-5.2 Codex","category":"coding-web-dev","category_name":"Coding › Web dev","slice":"overall","state":"RANKED","rank":87,"present_evidence":[],"missing_evidence":[],"margin":81.9047619047619,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Ranked #87 in Coding › Web dev.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"#87 in Coding › Web dev"},{"id":"v_pareto_coding-web-dev_gpt-5-2-codex_2026-10-14_open_RANKED","model":"gpt-5-2-codex","model_name":"GPT-5.2 Codex","category":"coding-web-dev","category_name":"Coding › Web dev","slice":"pareto","state":"RANKED","rank":100,"present_evidence":[],"missing_evidence":[],"margin":79.2,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":null,"rationale":"Not on the Coding › Web dev cost-quality frontier.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"#100 in Coding › Web dev"}]}