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OpenAI: GPT-6.1 Terra

openai/gpt-6.1-terra

OpenAI: GPT-6.1 Terra (openai/gpt-6.1-terra) costs $1 per 1M prompt tokens and $5 per 1M completion tokens, has a 1,050,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.

Prompt price
$1 / 1M tokens
Completion price
$5 / 1M tokens
Context
1,050,000 tokens
Input modalities
file, image, text
Output modalities
text
Tokenizer
GPT
Instruct type
—
Knowledge cutoff
—
Hugging Face
—

Last price change: 2026-10-26

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...

Price history

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