# OpenAI: GPT-6 Astra Pro (batch)

Provider: openai  
Category: llm  
Model ID: `openai/gpt-6-astra-pro:batch`

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...

## Specs

- Context length: 1050000 tokens
- Max output: 128000 tokens
- Modalities: file, image, text
- Released: 2026-09-04

## Pricing

- Input: $5.00 per million tokens
- Output: $25.00 per million tokens

## Providers

- **openai** — ctx 1050000, input $5.00/M, output $25.00/M

## Verdict

GPT-6 Astra Pro delivers OpenAI's latest reasoning architecture with a massive 1M+ token context window at batch pricing that undercuts real-time alternatives by 50%. The model excels at multi-document synthesis and complex analytical tasks where you can afford asynchronous processing. Trade-off: batch-only means 24-hour turnaround, making it unsuitable for interactive workflows. Reach for this when cost matters more than speed and your workload involves heavy context.

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Last verified: 2026-10-19T02:30:34.239Z  
Canonical URL: https://switchy.build/directory/models/gpt-6-astra-pro-batch