GPT 6 Astra

gpt-6-astra · OpenAI

GPT-6 Astra is OpenAI's newest and most intelligent model, with industry-leading performance in computer operations, web browsing, software engineering, scientific research, and professional work. It excels at executing multi-step workflows across code, browsers, and various professional software. Astra can achieve better results with significantly fewer output tokens, making its estimated API cost per task lower.

API Pricing

Input$10 / 1M tokens
Output$50 / 1M tokens
Cache read$1 / 1M tokens

Specifications

Context1.05M tokens
Modalitiestext, image
CapabilitiesThinking, Streaming, Tool calling, Web search, Code interpreter, Computer use, File search, Structured outputs, Prompt caching, Server-side sessions
Endpointschat_completions, responses

Frequently asked questions

What is GPT 6 Astra?

GPT-6 Astra is OpenAI's newest and most intelligent model, with industry-leading performance in computer operations, web browsing, software engineering, scientific research, and professional work. It excels at executing multi-step workflows across code, browsers, and various professional software. Astra can achieve better results with significantly fewer output tokens, making its estimated API cost per task lower.

What is the context length of GPT 6 Astra?

GPT 6 Astra has a 1,050,000 token context window.

How much does GPT 6 Astra cost?

On AIHubMix, GPT 6 Astra costs $10 per million input tokens and $50 per million output tokens. Cached input reads are billed at $1 per million tokens.

What modalities does GPT 6 Astra support?

GPT 6 Astra accepts text and image input.

What capabilities does GPT 6 Astra support?

GPT 6 Astra supports tool calling, thinking and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

How do I call GPT 6 Astra via API?

GPT 6 Astra is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to gpt-6-astra — no other code changes needed.

Who created GPT 6 Astra?

GPT 6 Astra is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

When was GPT 6 Astra released?

GPT 6 Astra was released on September 5, 2026 by OpenAI.

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Use GPT 6 Astra via the AIHubMix unified API — one interface for every major LLM.