GPT-6.1 Terra
GPT-6.1 TerraRankingat medium effort?
Alternatives?
CheaperMuse Glimmer 30BhighOpen+3%-40%$0.058Context: 1.05M → 131K
OpenKimi K3max+10%+2,000%$2.00Context: 1.05M → 1M+4Lower effortSame modellowsame-43%$0.055CheaperGPT-6 Lunamax+3%-29%$0.068Function calling only with none · Chat Completions+3
CheaperAgnes 2.5 Pro Beta+3%-93%$0.10 / $0.30Context: 1.05M → 1MMuse Glimmer 30BhighOpen+3%-40%$0.058Context: 1.05M → 131KGPT-6 Lunamax+3%-29%$0.068Function calling only with none · Chat Completions+3Agnes 2.5 Pro Beta+3%-93%$0.10 / $0.30Context: 1.05M → 1MnNex N2 ProOpen+1%-50%$0.50 / $2.50Context: 1.05M → 262KGPT-5.6 Lunaxhigh+1%-10%$0.085Muse Glimmer 30BhighOpen+3%-40%$0.058Context: 1.05M → 131KGPT-6 Lunamax+3%-29%$0.068Function calling only with none · Chat Completions+3GPT-6.1 Sollow+4%+37%$0.13Remove unsupported parameters+5
MiMo v2.6 ProthinkingOpen+7%+40%$0.13Context: 1.05M → 1M+4GPT-5.6 Lunamax+4%+87%$0.18Kimi K3maxOpen+10%+2,000%$2.00Context: 1.05M → 1M+4
Step 5 PreviewthinkingOpen+10%+978%$1.03Context: 1.05M → 1M+3MiMo v2.6 ProthinkingOpen+7%+40%$0.13Context: 1.05M → 1M+4Muse Glimmer 30BhighOpen+3%-40%$0.058Context: 1.05M → 131K
Ling 3.1 FlashOpen+3%+961%$1.01Context: 1.05M → 1M+1GPT-6.1 Solmedium+3%+124%$0.21Remove unsupported parameters+5GPT-5.3 Codexxhigh+3%—$1.75 / $14Context: 1.05M → 400K+1GPT-5.5medium+3%+704%$0.77Prompts with >272K input tokensGPT-6 Solmedium+2%+160%$0.25GPT-5.6 Solmediumsame+430%$0.50GPT-6 Astramedium-1%+1,517%$1.54Monitoring can return HTTP 403+2GPT-6 Lunamedium-3%-82%$0.017Function calling only with none · Chat Completions+3GPT-5medium-6%—$1.25 / $10Context: 1.05M → 400KAll 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 $0.095 at medium 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?›
#27 of 135 in Agents & Tool Use, #46 of 336 in Chat & Knowledge, #24 of 134 in Coding, #9 of 125 in Vision & Documents. Strongest at: Coding, 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?›
Muse Glimmer 30B (cheaper), Kimi K3 (open weights).