{"id":"claude-sonnet-5","slug":"claude-sonnet-5","name":"Claude Sonnet 5","orgId":"anthropic","family":"claude-sonnet-5","releaseDate":"2026-06-30","availability":"ga","openWeights":false,"license":"Proprietary","paramsTotal":null,"contextWindow":1000000,"knowledgeCutoff":null,"modelCardUrl":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset","hfRepo":null,"modalities":["text","image","file"],"aliases":["claude-sonnet-5-high","Claude Sonnet 5","claude-sonnet-5_max","claude-sonnet-5_xhigh","Sonnet 5 max","Sonnet 5 (Claude Code) xhigh","anthropic/claude-sonnet-5","Anthropic: Claude Sonnet 5"],"aliasNote":null,"organization":{"id":"anthropic","name":"Anthropic","slug":"anthropic","country":null,"url":null,"color":"#D97757","mark":"A"},"price":{"modelId":"claude-sonnet-5","provider":"anthropic","inputPerM":null,"outputPerM":null,"blendedPerM":4.000000000000001,"tokensPerS":null,"observedAt":"2026-10-13","sourceId":"openrouter"},"answer":{"word":"No.","scope":"Best recorded rank is #8 in Coding › Web dev.","lead":"As of Oct 14, 2026, Claude Sonnet 5 from Anthropic. Best recorded rank is #8 in Coding › Web dev. Last listed at #8 in Coding › Web dev on 2026-07-30.","confidence":"low"},"verdicts":[{"id":"v_overall_reasoning_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"reasoning","category_name":"Reasoning","slice":"overall","state":"NOT_SOTA","rank":38,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":"xhigh","rationale":"Last listed at #38 in Reasoning on 2026-06-30.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #38"},{"id":"v_overall_science_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"science","category_name":"Science","slice":"overall","state":"NOT_SOTA","rank":38,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":"xhigh","rationale":"Last listed at #38 in Science on 2026-06-30. That board does not award a crown.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #38"},{"id":"v_overall_coding_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"coding","category_name":"Coding","slice":"overall","state":"NOT_SOTA","rank":21,"margin":95.45454545454545,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":"max","rationale":"Ranked #21 in Coding.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #21"},{"id":"v_pareto_coding_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"coding","category_name":"Coding","slice":"pareto","state":"NOT_SOTA","rank":21,"margin":95.45454545454545,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":"max","rationale":"Not on the Coding cost-quality frontier.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #21"},{"id":"v_overall_coding-agentic_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"coding-agentic","category_name":"Coding › Agentic","slice":"overall","state":"NOT_SOTA","rank":21,"margin":95.45454545454545,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":"max","rationale":"Ranked #21 in Coding › Agentic.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #21"},{"id":"v_pareto_coding-agentic_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"coding-agentic","category_name":"Coding › Agentic","slice":"pareto","state":"NOT_SOTA","rank":21,"margin":95.45454545454545,"confidence":"medium","valid_from":"2026-10-14","valid_to":null,"configuration":"max","rationale":"Not on the Coding › Agentic cost-quality frontier.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #21"},{"id":"v_overall_coding-web-dev_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"coding-web-dev","category_name":"Coding › Web dev","slice":"overall","state":"NOT_SOTA","rank":8,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":"high","rationale":"Last listed at #8 in Coding › Web dev on 2026-07-30.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #8"},{"id":"v_overall_factuality_claude-sonnet-5_2026-10-14_open_NOT_SOTA","model":"claude-sonnet-5","model_name":"Claude Sonnet 5","category":"factuality","category_name":"Factuality","slice":"overall","state":"NOT_SOTA","rank":56,"margin":null,"confidence":"low","valid_from":"2026-10-14","valid_to":null,"configuration":"max","rationale":"Last listed at #56 in Factuality on 2026-06-30.","safeguard_flags":["off_board"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not SOTA · #56"}]}