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OpenAI

GPT 6 Astra

New$$$$Top-tier
OpenAI
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OpenAI's new flagship for demanding end-to-end work: advanced analysis, software engineering, deep research, scientific work, and document creation. 1M-token context with particular strength in long-horizon agentic tasks that involve computer and browser use. Always-on reasoning with selectable effort up to max, plus tool use and structured outputs.

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GPT 6 Astra is very affordable at $10.00/M tokens input and $50.00/M tokens output. Cached input reads are priced at $1.00/M tokens, making repeated context cheaper. The model supports vision/image input, extended reasoning, a 1.1M context window.

Best forLong-context analysisVision tasks

Benchmarks

CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter

Specifications

Vision
Audio
Reasoning
1.1M
Context
128K
Max output

Performance

Providers

Misc

September 4, 2026
Released
Same family
OpenAIGPT 6 Astra Pro
CompareChat with GPT 6 Astra

Compare with

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Frequently Asked Questions about GPT 6 Astra▼

When was GPT 6 Astra released?

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GPT 6 Astra was released on September 4, 2026.

Who created GPT 6 Astra?

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GPT 6 Astra was created by OpenAI.

How much does GPT 6 Astra cost?

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GPT 6 Astra costs $10.00/M input tokens and $50.00/M output tokens.

What is GPT 6 Astra API pricing?

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The GPT 6 Astra API is priced at $10.00 per million input tokens and $50.00 per million output tokens. You can access GPT 6 Astra through idapt.app alongside 200+ other AI models in one workspace.

Is GPT 6 Astra a reasoning model?

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Yes, GPT 6 Astra is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.

Does GPT 6 Astra support image or vision input?

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Yes, GPT 6 Astra supports vision/image input. You can share images in your conversation and the model will analyze and respond based on their content.

Does GPT 6 Astra support audio?

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No, GPT 6 Astra does not support audio input.

What is the context window of GPT 6 Astra?

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GPT 6 Astra has a context window of 1.1M tokens, meaning it can process approximately 787,500 words of context at once.

Is GPT 6 Astra open source?

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GPT 6 Astra is a proprietary model developed by OpenAI. The model weights and training data are not publicly available.

What is GPT 6 Astra good at?

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Based on benchmark data, GPT 6 Astra excels at: visual analysis and image understanding. It is OpenAI's capable model suitable for a wide range of tasks.

Where can I use GPT 6 Astra?

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You can chat with GPT 6 Astra on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access GPT 6 Astra through OpenAI's own API or platform.

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