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OpenAI: GPT-6.1 Terra (batch) API Pricing

OpenAI: GPT-6.1 Terra (batch) is an API model from openai. It costs $0.5 per 1M input tokens and $2.5 per 1M output tokens, with cached input at $0.025. Its context window is 1,050,000 tokens with up to 128,000 output tokens. A workload of 10M input + 2M output tokens costs about $10 per month.
Input
$0.5
per 1M tokens
Output
$2.5
per 1M tokens
Cached input
$0.025
per 1M tokens
Context window
1.05M
1,050,000 tokens
Blended (80/20)
$0.9
per 1M tokens

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...

How much does OpenAI: GPT-6.1 Terra (batch) cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-6.1 Terra (batch) costs about $10 ($5 input + $5 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: GPT-6.1 Terra (batch)?

Where to run OpenAI: GPT-6.1 Terra (batch)

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud · CometAPI: one API for 500+ models (GPT, Claude, Gemini and more) at about 80% of official prices. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →Run it on CometAPI →

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Compare OpenAI: GPT-6.1 Terra (batch) with other models

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Frequently asked questions

How much does OpenAI: GPT-6.1 Terra (batch) cost?

OpenAI: GPT-6.1 Terra (batch) costs $0.5 per 1M input tokens and $2.5 per 1M output tokens (list price, snapshot October 27, 2026). At 10M input + 2M output tokens per month that is about $10.

What is the context window of OpenAI: GPT-6.1 Terra (batch)?

OpenAI: GPT-6.1 Terra (batch) has a context window of 1,050,000 tokens and can return up to 128,000 output tokens per response.

What are cheaper alternatives to OpenAI: GPT-6.1 Terra (batch)?

Cheaper models include MoonshotAI: Kimi K2 0711 ($0.57 in / $2.3 out), Z.ai: GLM 4.5 ($0.6 in / $2.2 out), Moondream: Moondream 3 Preview ($0.3 in / $2.5 out). See the full list on this page.

Is OpenAI: GPT-6.1 Terra (batch) free to use?

No. OpenAI: GPT-6.1 Terra (batch) is a paid model at $0.5 input / $2.5 output per 1M tokens. 20 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-6.1-terra:batch · Modality: text+image+file->text · Price snapshot October 27, 2026, refreshed daily. How we collect prices