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GPT-6.1 Terra

Latest GPT: fast, efficient, strong at visual reasoning and writing.

  • Image input
  • Reasoning
  • Coding
  • Tool calling
  • Structured output
  • Extended thinking
  • Streaming

Specifications

ProviderOpenAI
API model IDgpt-6.1-terra
ReleasedOctober 2026
Context window1,050,000 tokens
Max output128,000 tokens
Reasoning modelYes
Price per 1M tokens (input / output)See provider

Specs as published by OpenAI. Prices are standard list prices before caching or batch discounts.

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FAQ

What is the context window of GPT-6.1 Terra?
GPT-6.1 Terra accepts up to 1,050,000 tokens of context and can return up to 128,000 output tokens per reply.
When was GPT-6.1 Terra released?
OpenAI released GPT-6.1 Terra in October 2026.
How do I use GPT-6.1 Terra?
Add your OpenAI API key in DapperGPT, pick GPT-6.1 Terra in the model picker, and start chatting. You pay OpenAI directly for usage.