GPT-6.1 Terra
GPT-6.1 TerraRankingat medium effort?
Alternatives?
CheaperMiMo v2.6 FlashthinkingOpen+22%-35%$0.062Context: 1.05M → 1M+4BetterGPT-6 Lunahigh+2%-70%$0.029Function calling only with none · Chat Completions+3
OpenDeepSeek V4.1 Flash 1017max+32%+175%$0.26Context: 1.05M → 1M+5Lower effortSame modellow-9%-43%$0.055
CheaperClaude Haiku 5.5high+8%-17%$0.079Context: 1.05M → 1M+6MiMo v2.6 FlashthinkingOpen+22%-35%$0.062Context: 1.05M → 1M+4GPT-6 Lunamax+9%-29%$0.068Function calling only with none · Chat Completions+3Claude Haiku 5.5high+8%-17%$0.079Context: 1.05M → 1M+6GPT-5.6 Lunaxhigh+6%-10%$0.085IK2 Horizon 375B A23BOpen+3%-13%$1 / $4Context: 1.05M → 524K+2GPT-6 Lunahigh+2%-70%$0.029Function calling only with none · Chat Completions+3GPT-5.6 Lunahigh+0%-54%$0.044MiMo v2.6 FlashthinkingOpen+22%-35%$0.062Context: 1.05M → 1M+4Claude Haiku 5.5high+8%-17%$0.079Context: 1.05M → 1M+6MiMo v2.6 ProthinkingOpen+28%+40%$0.13Context: 1.05M → 1M+4DeepSeek V4.1 Flash 1017maxOpen+32%+175%$0.26Context: 1.05M → 1M+5MiMo v2.6 ProthinkingOpen+28%+40%$0.13Context: 1.05M → 1M+4
GLM 5.3maxOpen+25%+2,006%$2.01Context: 1.05M → 1M+5GLM 5.3 FlashmaxOpen+25%+198%$0.28Context: 1.05M → 1M+5
Qwen3.8 FlashthinkingOpen+24%+291%$0.37Context: 1.05M → 262K+6GPT-6 Astramedium+13%+1,517%$1.54Monitoring can return HTTP 403+2GPT-6.1 Solmedium+10%+124%$0.21Remove unsupported parameters+5GPT-5.6 Solmedium+7%+430%$0.50GPT-6 Solmedium+2%+160%$0.25GPT-5.6 Terramedium-4%+93%$0.18Prompts with >272K input tokensGPT-6 Lunamedium-4%-82%$0.017Function calling only with none · Chat Completions+3GPT-5.5medium-7%+704%$0.77Prompts with >272K input tokensGPT-5.6 Lunamedium-15%-84%$0.016All 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-6 Sol?›
On GDPval-AA (work tasks) 2.1, GPT-6.1 Terra scores 1,476.1 vs 1,508.6 — lower. It is 91% cheaper per task.
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 DeepSeek V4.1 Flash 1017.
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 Flash (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).