GPT-6 Astra

CAPABILITY CEILING

Rolled out Sept 4, 2026; OpenAI's most capable model for autonomous agentic workflows and software engineering. Hit 97.6% on FrontierMath Tier 4 and met the 'Critical' cybersecurity threshold.

Context

1,050,000 tokens

Architecture

Autonomous Multi-Agent Architecture

Official API (1M)

$10 in / $50 out

License

Proprietary API / ChatGPT Plus & Pro

Published benchmarks · lab-reported

Vendor-published figures, not independently reproduced. Sources in Verification below.

SWE-BENCH

82.4%

MMLU-PRO

89.2%

GPQA DIAMOND

78.6%

Quickstart

curl -s https://modelregistry.tirup.in/api/cli?model=gpt-6-astra

OFFICIAL ANNOUNCEMENT API DOCS

BACK TO LEDGER

Sources

GPT-6 Astra announcement · OpenAI
GPT-6 Astra API reference · OpenAI

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