{"id":"gpt-6-1-terra","slug":"gpt-6-1-terra","name":"GPT-6.1 Terra","orgId":"openai","family":"gpt-6-1-terra","releaseDate":"2026-10-26","availability":"ga","openWeights":false,"license":"Proprietary","paramsTotal":null,"paramsSource":null,"contextWindow":1050000,"knowledgeCutoff":null,"modelCardUrl":"https://x.com/OpenAI/status/2114780711664398349","hfRepo":null,"modalities":["text","image","file"],"aliases":["GPT-6.1 Terra","gpt-6.1-terra","gpt 6.1 terra","gpt-6-1-terra","openai/gpt-6.1-terra","OpenAI: GPT-6.1 Terra","gpt-6.1-terra_max","GPT-6.1 Terra (Max)"],"aliasNote":null,"origin":"tracked","tracked":{"trackedSince":"2026-10-26","announced":"2026-10-26","blurb":"OpenAI's new Terra model, aimed at computer use and everyday work at a lower price. It takes text and image input, has a 1.05M-token context window and is live in the API as gpt-6.1-terra, with standard prices half those of GPT-5.6 Terra. Rolling out in ChatGPT Work and Codex for Plus, Pro, Enterprise and Edu. No open weights.","api":"live","apiModelId":"gpt-6.1-terra","openWeights":"no","facts":[{"label":"Input / output","value":"Text and image in, text out"},{"label":"Context","value":"1,050,000 tokens (up to 922,000 input), up to 128,000 output tokens"},{"label":"Knowledge cutoff","value":"June 1, 2026"},{"label":"Price (OpenAI API)","value":"$1 input, $0.05 cached input, $5 output per 1M tokens; prompts over 272K tokens cost 2x input and 1.5x output; Batch and Flex 50% off"},{"label":"Reasoning effort","value":"none, low, medium (default), high, xhigh and max"},{"label":"Endpoints","value":"Responses, Chat Completions and Batch; supports the computer use tool"},{"label":"Available","value":"OpenAI API; ChatGPT Work and Codex (Plus, Pro, Enterprise, Edu)"},{"label":"Size","value":"Not stated"},{"label":"Weights","value":"Not released"}],"claims":["Lab claim: on Agents' Last Exam at medium effort it scores 15 points above GPT-5.6 Terra at about a third of the cost, and matches GPT-6 Astra at a tenth of the price per token.","Lab claim: on Terminal-Bench 4.0 at max effort it scores 50.3% against 21.5% for GPT-5.6 Terra.","Lab claim: more than 3x faster than GPT-6 Astra and GPT-6.1 Sol.","Lab claim: on an internal set of error-inducing prompts its error rate falls from 53.6% (GPT-5.6 Terra) to 16.7% at low effort and 4.3% at max effort.","Lab claim: at max effort it uses over 3x fewer tokens than Claude Opus 5.5 at a quarter of the price per token, about 9x lower cost per task.","Lab claim: meets the Critical cybersecurity threshold under OpenAI's Preparedness Framework."],"pitch":"fast and capable computer use at a lower price","sources":[{"kind":"lab","title":"OpenAI announcement on X","url":"https://x.com/OpenAI/status/2114780711664398349","date":"2026-10-26"},{"kind":"lab","title":"Introducing GPT-6.1 Terra (OpenAI blog)","url":"https://openai.com/index/introducing-gpt-6-1-terra/","date":"2026-10-26"},{"kind":"lab","title":"GPT-6.1 Terra model page (OpenAI API docs)","url":"https://developers.openai.com/api/docs/models/gpt-6.1-terra","date":"2026-10-26"}],"firstBenchmark":{"date":"2026-10-27","benchmarkId":"gpqa-diamond"}},"contextSource":"openrouter","listedSince":"2026-10-27","organization":{"id":"openai","name":"OpenAI","slug":"openai","country":null,"url":null,"color":"#10A37F","mark":"O"},"price":{"modelId":"gpt-6-1-terra","provider":"openai","inputPerM":null,"outputPerM":null,"blendedPerM":2.0000000000000004,"tokensPerS":null,"observedAt":"2026-11-03","sourceId":"openrouter"},"answer":{"word":"#8","scope":"Best current rank: #8 in Science, as of Nov 3, 2026.","lead":"As of Nov 3, 2026, GPT-6.1 Terra is ranked #8 in Science (since Nov 3, 2026; sources GPQA Diamond; methodology v1.0). Ranked #8 in Science. That board does not award a crown.","confidence":"low"},"status":"BENCHMARKED","verdicts":[{"id":"v_overall_general-llm_gpt-6-1-terra_2026-11-03_open_RANKED","model":"gpt-6-1-terra","model_name":"GPT-6.1 Terra","category":"general-llm","category_name":"General LLM","slice":"overall","state":"RANKED","rank":67,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":37.26790450928383,"confidence":"medium","valid_from":"2026-11-03","valid_to":null,"configuration":"max","rationale":"Ranked #67 in General LLM.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"#67 in General LLM"},{"id":"v_pareto_general-llm_gpt-6-1-terra_2026-11-03_open_RANKED","model":"gpt-6-1-terra","model_name":"GPT-6.1 Terra","category":"general-llm","category_name":"General LLM","slice":"pareto","state":"RANKED","rank":64,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":35.8876117496807,"confidence":"medium","valid_from":"2026-11-03","valid_to":null,"configuration":"max","rationale":"Ranked #64 in General LLM on best per dollar.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"#64 in General LLM (best per dollar)"},{"id":"v_overall_science_gpt-6-1-terra_2026-11-03_open_RANKED","model":"gpt-6-1-terra","model_name":"GPT-6.1 Terra","category":"science","category_name":"Science","slice":"overall","state":"RANKED","rank":8,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":null,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":"max","rationale":"Ranked #8 in Science. 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That board does not award a crown.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"#35 in Legal"}]}