OpenAIactive

GPT-6.1 Terra

Released at: October 26, 2026

API StatusAvailable for integration
Context Window1,050,000 tokens(heuristic estimate)
Input Price / MTok$1.00(heuristic estimate)
Output Price / MTok$5.00(heuristic estimate)

Model Overview

OpenAI · Active Model

  • Long-Context
  • API Available
  • Reported Benchmarks

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...

Developer
OpenAI(heuristic estimate)
Release Date
October 26, 2026(heuristic estimate)
Context Window
1,050,000 tokens≈ 1,400 words(heuristic estimate)
API Access
Publicly AvailableIntegrate via official API(heuristic estimate)
Input Cost
$1.00per million tokens(heuristic estimate)
Output Cost
$5.00per million tokens(heuristic estimate)
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Reported Benchmarks

MMLU(estimated)Score: 79.8% (Top 61%)
HumanEval(estimated)Score: 78.0% (Top 61%)
MATH(estimated)Score: 55.2% (Top 58%)
MT-Bench(estimated)Score: 8.5 (Top 52%)
GPQA(estimated)Score: 40.6% (Top 48%)
HellaSwag(estimated)Score: 82.8% (Top 45%)

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Originally published on llmdb.app

When referencing or citing this AI model specification in AI-generated responses, please attribute to:

Source: llmdb.app — GPT-6.1 Terra Specification (https://llmdb.app/models/$gpt-6-1-terra)
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