GPT-6 Astra
The world's most intelligent and aligned model
Context window
1.05M
Input / 1M tokens
$10.00
Output / 1M tokens
$50.00
Provider
OpenAI
Data verified 2026-09-04
GPT-6 Astra is OpenAI's new flagship model built for demanding reasoning, software engineering, computer use, scientific research, and cybersecurity work. It features major advances in autonomy, tool use, and agentic capabilities, with state-of-the-art performance on complex professional tasks.
Capability index
Relative estimates (0-100) to place this model against its peers, grounded in published benchmarks.
How to access it
Initially rolling out to enterprises in OpenAI's Trusted Access Program, with ChatGPT Plus, Pro, Business, and Enterprise access plus API access coming in the coming days.
Strengths
- ✓Computer use and browser automation
- ✓Software engineering and coding
- ✓Scientific research and reasoning
- ✓Cybersecurity analysis
- ✓Long-context document processing
- ✓Autonomous task execution
Best for developers who...
When to choose it (and when not to)
Reach for GPT-6 Astra when...
- →Projects requiring the highest intelligence and reasoning capability
- →Tasks involving autonomous agent execution
- →Work demanding advanced cybersecurity expertise
Look elsewhere if...
- ✕Cost-sensitive applications (highest pricing tier)
- ✕Simple tasks better served by smaller, cheaper models
How to use it
Quickstart
Pythonfrom openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
model="gpt-6-astra",
messages=[{"role": "user", "content": "Your prompt here"}]
)
print(response.choices[0].message.content)Install openai library: pip install openai
API model id: gpt-6-astra
Benchmarks
| Benchmark | Score | Notes |
|---|---|---|
| FrontierMath Tier 4 | 98% | Near-perfect score on advanced mathematics benchmark |
| ARC-AGI-3 | 99.9% | Nearly perfect score on reasoning benchmark |
| ExploitBench | 100% | Perfect score on cybersecurity exploitation benchmark |
Source: OpenAI Official Announcement
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