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LLMS • CURATED • UPDATED SEP 9, 2026

GPT-6 Astra

OpenAI's AGI-capable model with autonomous software navigation and reasoning breakthroughs

GPT-6 Astra is OpenAI's frontier model released September 2026, claimed by the company to mark the onset of artificial general intelligence (AGI). The model can navigate software autonomously without user input, working across browsers, spreadsheets, applications, and producing finished documents and workflows. Features advanced 'recurrent depth' reasoning that operates outside traditional sequential thinking patterns. Solves decades-old mathematics problems and demonstrates autonomous agent capabilities across domains.

Pricing proprietary
Platforms api
API Yes
Open Source No
Modalities LLMs, Multimodal Reasoning
Best For Best for Advanced Reasoning
Date Added 2026-09-09

Represents a claimed inflection point in AI autonomy. Demonstrates system-level reasoning and multi-step task completion. First model to achieve 'Critical' level cybersecurity capabilities (restricted access). Raises important questions about AI development velocity and safety infrastructure.

Access via OpenAI API with approval. Restricted availability for cybersecurity features. Standard access through platform.openai.com API key.

OpenAI benchmark suite · llm
95%
OpenAI API Blog announcement
Claude Fable 5 NotebookLM Claude Opus 5 GPT-5.6 Sol Kimi K3

Autonomous Software Task Execution

Use Astra to navigate software, fill forms, and complete multi-step workflows without human input.

STEPS:
  1. Define workflow objective
  2. Give Astra access to browser/applications
  3. Model navigates and completes task
  4. Review completed workflow

Advanced Research Problem Solving

Leverage reasoning capabilities for complex mathematics, theoretical CS, and research tasks.

STEPS:
  1. Submit research problem
  2. Astra applies reasoning to explore solution space
  3. Receive formal proofs and explanations
  4. Validate against known results
proprietary
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Autonomy

  • Software navigation without input
  • Multi-application coordination
  • Document and workflow generation

Reasoning

  • Recurrent depth reasoning
  • Complex multi-step problem solving
  • Mathematical proof generation

Capabilities

  • Browser automation
  • Form filling
  • Data extraction
  • Spreadsheet manipulation
  • Code analysis
Q

What is 'recurrent depth' reasoning and how does it differ from standard LLM reasoning?

A

Recurrent depth allows Astra to operate outside traditional sequential thinking patterns. Instead of a linear token-by-token process, it can revisit and deepen reasoning paths, enabling more complex problem-solving similar to how humans iterate on difficult problems.

Q

How is Astra different from GPT-5.6 Sol?

A

Astra represents a significant step forward in autonomy and reasoning capability. It can navigate software independently, solve decades-old mathematics problems, and achieve Critical-level cybersecurity capabilities—capabilities GPT-5.6 Sol does not have.

Q

What does 'Critical-level cybersecurity' mean and why is access restricted?

A

Critical-level means Astra can discover zero-day vulnerabilities and build exploit chains at scale. Access is restricted through OpenAI's Daybreak Red program to prevent misuse, with approval required for security researchers and enterprises only.

Q

Can I use Astra for general tasks like other ChatGPT models?

A

Astra is optimized for autonomous task execution and complex reasoning. While it can handle general tasks, it's best suited for workflows where you need software navigation, multi-step reasoning, or research-level problem solving.

Q

What's the pricing and how do I get access?

A

Astra uses proprietary pricing through the OpenAI API. Standard access is available via platform.openai.com. Cybersecurity features require separate approval through the Daybreak Red program with organizational vetting.

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