Breaking

OpenAI Starts Staged Rollout of GPT-6 Astra Across Paid ChatGPT Plans

September 4, 2026 at 15:47 EDT

Foundation Models
AI Agents
Security

OpenAI has begun a staged rollout of GPT-6 Astra, its new flagship model, to a limited group of organizations, with access for ChatGPT Plus, Pro, Business, and Enterprise users and API customers planned over the coming days. Astra is designed for end-to-end work involving reasoning, coding, computer use, research, and document creation.

September 3, 2026 · OpenAI

GPT-6 Astra pushes AI toward end-to-end work

Astra combines reasoning, computer use, coding, research, and document creation. Its launch also brings a critical cybersecurity rating and tighter deployment controls.

The model at a glance

1,050,000

context window

128,000

maximum output tokens

$10 / $50

input / output per 1M tokens

Computer use, measured

OSWorld 2.0 offline partial-score set · higher is better

72.6%

GPT-6 Astra

65.7%

GPT-5.6 Sol

Astra's reported score is about 10.5% higher on this test.

What developers value

Multi-step software operation
Long-context work
Coding and research workflows

What demands caution

Critical cybersecurity capability
Harder reasoning oversight
Human review for consequential work

Capability and control now move together

OpenAI reports stronger alignment and fewer severe misalignment flags than GPT-5.6 Sol, while also acknowledging that Astra is less monitorable in adversarial settings.

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