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GPT 6 Astra

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OpenAI's GPT-6 Astra is built for demanding end-to-end work — advanced analysis, software engineering, deep research, scientific work and document creation — with particular strength in long-horizon agentic tasks involving computer and browser use.
OpenAI's GPT-6 Astra is built for demanding end-to-end work — advanced analysis, software engineering, deep research, scientific work and document creation — with particular strength in long-horizon agentic tasks involving computer and browser use.

Not yet available on ZeroTwo. Released by OpenAI on September 3, 2026. Coming to ZeroTwo soon. The specifications below are the provider's published figures.

GPT 6 Astra is an AI model from OpenAI, not yet available on ZeroTwo. It costs $10.00 per million input tokens and $50.00 per million output tokens, has a 1,050,000-token context window, can return up to 128,000 output tokens, and has a knowledge cutoff of April 2026.

Price
$10.00 • $50.00
Input • Output
Input
Text, Image
Output
Text

OpenAI's GPT-6 Astra is built for demanding end-to-end work — advanced analysis, software engineering, deep research, scientific work and document creation — with particular strength in long-horizon agentic tasks involving computer and browser use.

1,050,000 context window
128,000 max output tokens
April 2026 knowledge cutoff
Pricing
Pricing is based on the number of tokens used. For tool-specific models, like search and computer use, there's a fee per tool call. See details in the pricing page.

Requests above 272,000 input tokens move the whole request to long-context rates: $20.00 input and $75.00 output per million tokens.

Text tokens
Per 1M tokens
∙
Batch API price
Input
$10.00
Cached input
$1.00
Output
$50.00
Quick comparison
Input
Cached input
Output
GPT 6 Astra
$10.00
Modalities
Text
Input and output
Image
Input only
Audio
Not supported

Questions

How much does GPT 6 Astra cost?

GPT 6 Astra is priced at $10.00 per million input tokens and $50.00 per million output tokens, with cached input at $1.00 per million. On ZeroTwo it is included in your plan's credits rather than billed per token.

What is GPT 6 Astra's context window?

GPT 6 Astra accepts up to 1,050,000 tokens of context and can return up to 128,000 output tokens.

What is GPT 6 Astra's knowledge cutoff date?

GPT 6 Astra has a training knowledge cutoff of April 2026. For anything later than that, use a model with web search enabled.

Is GPT 6 Astra available on ZeroTwo?

Not yet. Released by OpenAI on September 3, 2026. Coming to ZeroTwo soon. The figures on this page are GPT 6 Astra's published specifications from its provider. Every model ZeroTwo does serve today is listed on the models page.