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OpenAI

GPT-6.1 Terra

mainstreamClosed

The lightweight, high-efficiency member of OpenAI's GPT-6.1 generation at $1.00/$5.00 per million tokens ($0.05 cached input) with a 1.05M-token context, built for visual reasoning, precise computer use and clear writing at half the price of GPT-5.6 Terra.

API Pricing

Input

$1

Output

$5

Cached input

—

Peak hours

—

USD / 1M tokens

※ OpenAI official pricing (released 2026-10-26): input $1.00 / cached input $0.05 / output $5.00 (USD per million tokens)

Price sourcedevelopers.openai.com ↗openai.com ↗

Specifications

Context window
1.05M Tokens
Max output
128K Tokens
License
Closed

Capabilities & use cases

Best for

  • Visual reasoning
  • Computer use
  • Writing and editing
  • High-concurrency professional tasks

Official links

Website ↗API platform ↗Pricing page ↗Open in comparator ↗

Same vendor

GPT-6.1 SolGPT-6 AstraGPT-5.6 LunaGPT-5.6 SolGPT-6 LunaGPT-5.6 Terra

Similar price

GLM-5.3 $4.4GLM-5.1 $4.4Meta Muse Spark 1.3 $4.25Gemini 3.8 Flash $4.125Qwen3.8-Max (Qwen) $6Grok 4.5 $6

FAQ

What does GPT-6.1 Terra cost?
GPT-6.1 Terra is priced at $5 output and $1 input (USD per 1M tokens)
How large is the context window of GPT-6.1 Terra?
GPT-6.1 Terra has a 1.05M Tokens context window with up to 128K Tokens output.
Where can I access GPT-6.1 Terra?
Official channels: Website and API platform.

Data is refreshed daily and cross-checked against two independent sources; please confirm pricing and specs on the vendor page.