GPT-6 Astra

by OpenAI

GPT-6 Astra is OpenAI's frontier model released September 3, 2026, designed for high-level agentic tasks including software engineering, deep research, and complex computer-use workflows. It features a 1,050,000-token context window and multimodal input (text and image). Access was initially staged through a 'Daybreak Access' program before broader API and ChatGPT availability.

Large Language Models
Proprietary

Primary Use Cases

  • Complex software engineering tasks
  • Deep research and document workflows
  • Computer use and agentic automation
  • Multi-step reasoning tasks

✅ Strengths

  • Largest context window in OpenAI's production lineup
  • Designed specifically for long-horizon agentic workflows
  • Available on multiple cloud platforms (OpenAI API, AWS Bedrock)
  • Enhanced monitoring for agentic work per Preparedness Framework

⚠️ Limitations

  • High cost ($10/M input, $50/M output tokens)
  • Knowledge cutoff April 30, 2026
  • Initial access restricted via staged rollout
  • Long-context requests (>272K tokens) subject to 2x input pricing

Technical Specifications

Developer
OpenAI
Category
Large Language Models
Type
🧠 Foundation Model
License
UNKNOWN

Trust & Privacy

Health Status
🟢 Active
Trains on User Data
🔄 Opt-out available
Certifications
None listed

Ecosystem & Integrations

API Access
✅ Available
Chrome Extension
❌ No
Mobile App
❌ No
Pricing Model
💰 Pay Per Use

Pricing Breakdown

Standard

Standard API access

Input$10/M tokens
Output$50/M tokens
0
Batch/Flex

Asynchronous batch processing at 50% discount

Input$5/M tokens
Output$25/M tokens
0