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OpenAI: GPT-6 Astra Pro (batch) API Pricing

OpenAI: GPT-6 Astra Pro (batch) is an API model from openai. It costs $5 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.5. 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 $100 per month.
Input
$5
per 1M tokens
Output
$25
per 1M tokens
Cached input
$0.5
per 1M tokens
Context window
1.05M
1,050,000 tokens
Blended (80/20)
$9
per 1M tokens

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

How much does OpenAI: GPT-6 Astra Pro (batch) cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-6 Astra Pro (batch) costs about $100 ($50 input + $50 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: GPT-6 Astra Pro (batch)?

Where to run OpenAI: GPT-6 Astra Pro (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. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

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Compare OpenAI: GPT-6 Astra Pro (batch) with other models

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Frequently asked questions

How much does OpenAI: GPT-6 Astra Pro (batch) cost?

OpenAI: GPT-6 Astra Pro (batch) costs $5 per 1M input tokens and $25 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $100.

What is the context window of OpenAI: GPT-6 Astra Pro (batch)?

OpenAI: GPT-6 Astra Pro (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 Astra Pro (batch)?

Cheaper models include Meta: Muse Wonder ($4 in / $20 out), Anthropic: Claude Opus 5.5 ($4 in / $20 out), OpenAI: GPT-5.6 Sol Pro ($4 in / $20 out). See the full list on this page.

Is OpenAI: GPT-6 Astra Pro (batch) free to use?

No. OpenAI: GPT-6 Astra Pro (batch) is a paid model at $5 input / $25 output per 1M tokens. 21 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-6-astra-pro:batch · Modality: text+image+file->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices