GPT-6.1 Terra
GPT-6.1 TerraAlternatives?
BetterGPT-6 Astramax+10%+707%$3.26Monitoring can return HTTP 403+2
OpenDeepSeek V4.1 Flash 1017max-78%-35%$0.26Context: 1.05M → 1M+5Lower effortSame modelxhigh-27%-52%$0.19
BetterClaude Opus 5.5xhigh+7%+757%$3.46Context: 1.05M → 1M+6
OpenGLM 5.3max-83%+397%$2.01Context: 1.05M → 1M+5GPT-6 Astramax+10%+707%$3.26Monitoring can return HTTP 403+2Claude Opus 5.5xhigh+7%+757%$3.46Context: 1.05M → 1M+6DeepSeek V4.1 Flash 1017maxOpen-78%-35%$0.26Context: 1.05M → 1M+5GLM 5.3maxOpen-83%+397%$2.01Context: 1.05M → 1M+5
Kimi K3maxOpen-86%+396%$2.00Context: 1.05M → 1M+4DeepSeek V4 Pro 0813maxOpen-90%+67%$0.67Context: 1.05M → 1M+6
MiMo v2.6 ProthinkingOpen-90%-67%$0.13Context: 1.05M → 1M+4GPT-6 Astramax+10%+707%$3.26Monitoring can return HTTP 403+2GPT-6.1 Solmaxsame+79%$0.72Remove unsupported parameters+5GPT-6 Solmax-48%+159%$1.04GPT-5.6 Solmax-61%+393%$1.99GPT-5.6 Terramax-76%+247%$1.40Prompts with >272K input tokensGPT-6 Lunamax-85%-83%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunamax-94%-56%$0.18GPT OSS 120BhighOpen-100%-73%$0.11Context: 1.05M → 131K+1All OpenAI models →History
2 versionsFAQ
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 $0.40 at max 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?›
#19 of 135 in Agents & Tool Use, #21 of 336 in Chat & Knowledge, #7 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-6.1 Sol?›
On Terminal-Bench Science 0.1, GPT-6.1 Terra scores 57.6 vs 58.1 — about the same. It is 44% 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?›
GPT-6 Astra (better), DeepSeek V4.1 Flash 1017 (open weights).