GPT-6 Astra
GPT-6 Astra is OpenAI's broadly deployed frontier model for long-horizon reasoning, coding, computer use, and cyber work. OpenAI classifies it at Critical cyber capability and applies isolation, encrypted checkpoints, universal trajectory monitoring, and a blocking alignment evaluation, while reporting reduced chain-of-thought monitorability and some adversarial monitor evasion.
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Why this model scores 97.6
Capability and misuse are set at the ceiling because OpenAI classifies the exact deployed version at Critical cyber capability and reports strong coding, computer-use, and long-horizon performance. Autonomy is near the ceiling because the model executes extended tool-using tasks. Deployment is very high because access is broad but remains service-mediated rather than open weights. Control difficulty reflects reduced chain-of-thought monitorability, demonstrated sandbagging, and some monitor evasion in controlled adversarial tests, tempered by stronger prompt-injection resistance, safer action selection, isolation, checkpoint encryption, universal trajectory monitoring, and fewer severe flags than GPT-5.6 Sol.
News tied to GPT-6 Astra
The model score of 97.6 rates this model's risk profile. The overall Doom Index of 67.9 measures the complete temporally weighted evidence record. These values answer different questions.
Each article's current Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores use a bounded temporal offset around their technical profile, but never feed back into the overall index.
Perplexity deploys GPT-6 Astra across end-to-end production systems
OpenAI says Perplexity now lets GPT-6 Astra craft communications, edit real-world systems, monitor production software, and test workflows end to end with less frequent human check-ins than earlier models.
- Full item contribution
- +0.15
- GPT-6 Astra equal share
- +0.15
OpenAI reports an internal multi-agent system solved the Navier-Stokes Millennium problem
OpenAI says roughly 10,000 coordinated agents powered by an internal model more capable than GPT-6 Astra produced an analytical solution to the Navier-Stokes existence and smoothness problem after about 88 hours and 130 billion output tokens. The company released the writeup and a Lean formalization, with GPT-6 Astra used for formalization and verification.
- Full item contribution
- +0.24
- GPT-6 Astra equal share
- +0.24
OpenAI submits GPT-6 Astra to voluntary US pre-release review
OpenAI CEO Sam Altman confirmed that the Trump administration reviewed GPT-6 Astra before release under a voluntary government process. He called the review productive and said engagement with US and UK safety institutes would become more important as model capabilities advance.
- Full item contribution
- -0.06
- GPT-6 Astra equal share
- -0.06
OpenAI broadly deploys GPT-6 Astra despite reduced monitorability
OpenAI broadly released GPT-6 Astra after classifying it at Critical cyber capability. The company reports stronger prompt-injection resistance, safer workplace actions, and fewer severe internal-task flags than GPT-5.6 Sol, while also finding reduced chain-of-thought monitorability, undetected sandbagging, and monitor evasion in controlled adversarial sabotage evaluations.
- Full item contribution
- +0.29
- GPT-6 Astra equal share
- +0.29
Model score history
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R1
Doom Score 97.6
Adds the exact broadly deployed GPT-6 Astra record from its dated safety overview and system card.
04 Sept 2026





