GPT-6.1 Terra
GPT-6.1 TerraRankingat xhigh effort?
Alternatives?
CheaperMiMo v2.6 ProthinkingOpen+6%-31%$0.13Context: 1.05M → 1M+4BetterGPT-6.1 Sollow+3%-32%$0.13Remove unsupported parameters+5
OpenKimi K3max+9%+933%$2.00Context: 1.05M → 1M+4Lower effortSame modelhighsame-31%$0.13CheaperGPT-5.6 Lunamax+2%-8%$0.18MiMo v2.6 ProthinkingOpen+6%-31%$0.13Context: 1.05M → 1M+4GPT-6.1 Sollow+3%-32%$0.13Remove unsupported parameters+5GPT-5.6 Lunamax+2%-8%$0.18
Muse Glimmer 30BhighOpen+2%-70%$0.058Context: 1.05M → 131KGPT-6 Lunamax+2%-65%$0.068Function calling only with none · Chat Completions+3GPT-6.1 Sollow+3%-32%$0.13Remove unsupported parameters+5MiMo v2.6 ProthinkingOpen+6%-31%$0.13Context: 1.05M → 1M+4GPT-5.6 Lunamax+2%-8%$0.18GPT-6 Solhigh+2%+92%$0.37
Gemini 3.8 Flashmedium+3%+381%*$0.93Context: 1.05M → 1M+2Kimi K3maxOpen+9%+933%$2.00Context: 1.05M → 1M+4
Step 5 PreviewthinkingOpen+8%+430%$1.03Context: 1.05M → 1M+3MiMo v2.6 ProthinkingOpen+6%-31%$0.13Context: 1.05M → 1M+4Muse Glimmer 30BhighOpen+2%-70%$0.058Context: 1.05M → 131K
Ling 3.1 FlashOpen+2%+422%$1.01Context: 1.05M → 1M+1GPT-5.5xhigh+3%+984%$2.10Prompts with >272K input tokensGPT-5.3 Codexxhigh+2%—$1.75 / $14Context: 1.05M → 400K+1GPT-5.2xhigh+1%—$1.75 / $14Context: 1.05M → 400KGPT-5.6 Solxhighsame+511%$1.18GPT-5.4xhighsame—$2.50 / $15GPT-5.6 Lunaxhighsame-56%$0.085GPT-6 Solxhighsame+169%$0.52GPT-6 Lunaxhigh-2%-78%$0.042Function calling only with none · Chat Completions+3All OpenAI models →History
2 versionsBenchmarks
all categoriesFAQ
How much does GPT-6.1 Terra cost?›
$1 per 1M input tokens and $5 per 1M output tokens; cached input $0.05 per 1M (cheapest host: OpenRouter). A typical benchmark task costs about $0.19 at xhigh effort.
Is GPT-6.1 Terra free to use?›
There is no free API; the cheapest paid price is $1 per 1M input tokens.
How good is GPT-6.1 Terra, and what is it best at?›
#20 of 135 in Agents & Tool Use, #27 of 336 in Chat & Knowledge, #10 of 134 in Coding, #6 of 125 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Long context, Knowledge, Vision.
Is GPT-6.1 Terra better than GPT-5.2?›
On AA-LCR (long context) 1.1, GPT-6.1 Terra scores 82.7 vs 82.7 — about the same.
How can I use GPT-6.1 Terra?›
Through the API of OpenRouter.
What is the context window of GPT-6.1 Terra?›
1.05M tokens, with up to 128K output tokens.
When was GPT-6.1 Terra released? Is there a newer version?›
Released 2026-10-26. It is the current version in its line.
Is GPT-6.1 Terra open source?›
No, GPT-6.1 Terra is a closed model available through an API. The closest open-weights option here is Kimi K3.
Can GPT-6.1 Terra read images?›
It accepts text and images, PDF files as input.
What is GPT-6.1 Terra?›
GPT-6.1 Terra is a closed language model from OpenAI, released Oct 2026.
What are the best alternatives to GPT-6.1 Terra?›
MiMo v2.6 Pro (cheaper), GPT-6.1 Sol (better), Kimi K3 (open weights).