gpt-6.1-terra API pricing

OpenAI charges $1 per million input tokens and $5 per million output tokens for gpt-6.1-terra, and $0.05 per million cached input tokens. A typical request of 1,000 input and 500 output tokens costs $0.0035, or $0.00175 through the batch API.

Prices updated October 28, 2026
Input / 1M tokens
$1
Output / 1M tokens
$5
Cached input / 1M tokens
$0.05
Typical request
$0.0035
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gpt-6.1-terra price per million tokens

Token typeStandardBatch API
Input$1$0.5
Cached input$0.05$0.025
Output$5$2.5

gpt-6.1-terra supports a 922K-token context window, up to 128K output tokens, image input, tool calling and reasoning.

What gpt-6.1-terra costs per request

Request1 request1,000 requests1M requests
Short chat message (300 in, 200 out)$0.0013$1.30$1,300.00
Typical request (1K in, 500 out)$0.0035$3.50$3,500.00
Long document summary (20K in, 1K out)$0.025$25.00$25,000.00
Coding agent step (50K in, 2K out)$0.06$60.00$60,000.00

At standard rates. A token is about 4 characters of English text, so 1,000 tokens is roughly 750 words.

Models with a similar price

ModelProviderInput / 1MCached input / 1MOutput / 1MTypical request
gemini-3.6-flashGoogle Gemini$0.75$0.075$3.75$0.00263
gemini-3.7-flashGoogle Gemini$0.75$0.075$3.75$0.00263
gemini-3.8-flashGoogle Gemini$0.75$0.075$3.75$0.00263
gpt-5.4-miniOpenAI$0.75$0.075$4.5$0.003
deepseek-v4-proDeepSeek$1.32$0.044$3.96$0.0033
mistral-large-4Mistral$1.36$0.14$4.18$0.00345
mistral-large-4-0Mistral$1.36$0.14$4.18$0.00345
claude-haiku-4-5Anthropic$1$0.1$5$0.0035

Other OpenAI models

Source: OpenAI pricing.