Lineage
- Company
OpenAI- GPT Terra family
- GPT-5.6 TerraGPT-6.1 Terrathe family
- Assistants that offer it
- ChatGPTpaid plan, Plus, Pro, Business, Enterprise, Edu (ChatGPT Work and Codex) (press ↗)
- API price
- not recorded
Links read on 10/11/2026 on company pages, the press as a fallback; a link given for a family applies only to its latest version.
Rank in each benchmark
- General intelligenceEpoch AI, ECI index168.1165.1 to 171.55th out of 71
- Agent tasksEpoch AI, APEX-Agents68.3 %58.1 to 78.57th out of 52
- User preferenceLMArena, Elo scorenot measured
- Coding tasksEpoch AI, CursorBenchnot measured
- Code repairEpoch AI, DeepSWEnot measured
Each segment of the bar is worth a tenth of the ranking; the 1st groups the best ranked. Rank among models released in 2026 and measured by the benchmark. Sources: Epoch AI, "Capabilities & benchmarking" (CC BY 4.0); LMArena, text with style control (CC BY 4.0); data as of 10 November 2026.
GPT-6.1 Terra among OpenAI's models, general intelligence
Epoch AI ECI index and its 95% interval, by release date; 14 OpenAI models released in 2026 and measured by the ECI index
Dot: the index measured, at the release dateLine: the 95% intervalGPT-6.1 Terra5 names in the "Table" tab
Source: Epoch AI, "Capabilities & benchmarking", ECI index. CC BY 4.0 licence.
Continue in the ranking
The full ranking →CompanyOpenAI14models measured, of which 10 with an entryIts assistant, its models, its governance and the electricity of its data centres.The entry →ModelOpenAIGPT-5.6 Terra16thout of 71 on general intelligenceThe previous version of GPT Terra.The entry →AssistantChatGPT62out of 100, 3rd out of 10The assistant in the ranking that offers GPT-6.1 Terra.The entry →The hub newsletter
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