prices synced 2026-10-27

GPT-6 Astra (batch)

OpenAI · Multimodal · Released Sep 2026

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GPT-6 Astra (batch) is OpenAI's flagship model in the GPT-6 series, optimized for asynchronous batch processing with a 1.05M token context window.

Strengths
Handles complex, end-to-end reasoning tasks with the full capability of the Astra tier, suitable for sophisticated analysis and generation work.
Best for
Batch workloads requiring top-tier reasoning and language understanding, where latency is not a constraint but output quality matters most.
Limitations
Batch mode introduces processing delay compared to the real-time GPT-6 Astra; for immediate responses or lower reasoning demands, GPT-6 Luna or GPT-6 Sol may be more appropriate.

Input / 1M

$5.00

Output / 1M

$25.00

Cached input / 1M

$0.5

Context window

1.05M

Also billed

Cache write
$6.25 / 1M

Price history

Price per 1M tokens over timeOutput $25.00; Input $5.00 as of Sep 2026.$0$10.00$20.00Output on 5 Sep 2026: $25.00Out $25.00Input on 5 Sep 2026: $5.00In $5.00Sep 2026

Snapshots

Effective Input Output Cached in Note Source
5 Sep 2026 $5.00 $25.00 $0.5 Imported from OpenRouter openrouter.ai

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