GPT-6 Astra

gpt-6-astra

GPT-6 Astra is OpenAI’s next-generation flagship model, designed for complex reasoning, software engineering, AI agents, research, and demanding end-to-end professional workflows. It excels at multi-step tasks across code, browsers, and professional software, delivering stronger performance in problem solving, tool use, computer use, and long-context understanding. GPT-6 Astra supports a context window of up to 1.05M tokens and a maximum output of 128K tokens, with multiple reasoning effort levels including Low, Medium, High, XHigh, and Max, allowing developers to balance reasoning capability, efficiency, and cost based on task complexity. It is well suited for advanced AI agents, complex software development, automated workflows, deep research, long-document processing, data analysis, and enterprise AI applications.

Total Context

1.1Mtokens

Max Output

128Ktokens

Released

Sep 4, 2026

Modalities

GPT-6 Astra Price

Token TierInput PriceOutput PriceCache ReadCache Create 5m
<=272$10/M$50/M$1/M$12.5/M
>272$20/M$75/M$2/M$25/M

How do I use GPT-6 Astra through the API?

POSTopenai/v1/chat/completions
POSTopenai-response/v1/responses

GPT-6 Astra Benchmark

54.3

/100

Artificial Analysis Intelligence Index

Artificial Analysis broad capability aggregate

Index score

75.9

/100

Artificial Analysis Coding Index

Artificial Analysis software task aggregate

Index score

Metrics sourced from Artificial Analysis

GPT-6 Astra Posts and Demos

Official announcements and videos, plus community discussions.

X (Twitter)

Open social media source
View post on X
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Reddit

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YouTube

Open social media source
Watch on YouTube
Open social media source
Watch on YouTube
Open social media source
Watch on YouTube

GPT-6 Astra FAQs

Capabilities, tradeoffs and TokenHub usage guidance.

What is GPT-6 Astra?+

GPT-6 Astra is an OpenAI reasoning model for demanding tasks. It accepts text and images and produces text.

What tasks is it best suited for?+

Consider it for complex coding, research, document creation and workflows requiring multiple tool steps. Computer interaction requires compatible tools and permissions.

What limitations and tradeoffs should I consider?+

It can still make factual or execution errors. Review important results; longer reasoning and tool workflows can increase latency and total cost.

How do I use it through TokenHub?+

If your TokenHub account lists this model, use its documented endpoint, credentials and exact model identifier. Confirm supported parameters and tools; OpenAI support does not guarantee TokenHub support.

What are its pricing and availability on TokenHub?+

TokenHub pricing and account availability have not been verified. Check the current model listing and billing terms before use; provider API rates may differ from TokenHub charges.

When should I choose it over another model?+

Evaluate it when complex task completion matters most. Compare accuracy, completion rate, latency and total cost on representative tasks; simpler workloads may be better served by a smaller model.