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GPT-6 Astra

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work.

Model by OpenAI

IndexedProprietary
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Install

Pick your client. Read the repository before you give any tool access to your data.

{
  "model": "openai/gpt-6-astra",
  "baseURL": "https://openrouter.ai/api/v1"
}

OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.

Settings it needs

  • OPENROUTER_API_KEYrequiredsecret

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About

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

Use cases: deep-research, code-generation, document-processing

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Price and limits

VariantInput $/M tokensOutput $/M tokensCached input $/M
Standard$10$50$1
Batch API openai/gpt-6-astra:batch$5$25—

Price as of Oct 26, 2026 from OpenRouter · provider's own prices: openai.com. Prices change often; check before you rely on one.

Provider
OpenAI
Model id
openai/gpt-6-astra
Context window
1,050,000 tokens (1.1M)
Max output
128,000 tokens
Input
file, image, text
Output
text
Tool calling
Yes
Structured outputs
Yes
Reasoning
Yes
Weights
Closed
Released
Sep 4, 2026
Also served as
~openai/gpt-astra-latest

Details

Auth
API key
License
Proprietary
Website
openai.com
First seen
Oct 24, 2026
Last checked
Oct 26, 2026

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Cite this page

GPT-6 Astra: price, context window, tool use. Agent Mart. https://agentmart.dev/models/openai-gpt-6-astra (last updated 2026-10-26)