MODEL SIGNAL · OPENAI · NEW
GPT-5.6 Sol
OpenAI's frontier model released in a highly restricted preview to US-government-approved partners, featuring advanced vulnerability identification capabilities.
CATEGORYReasoning
RELEASEDJune 26, 2026
Key Features
- Restricted preview access limited to approximately 20 US-government-approved partners
- Advanced capabilities for identifying vulnerabilities
- Restricted from executing autonomous end-to-end attacks against hardened targets
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The Model Signal report for GPT-5.6 Sol is still compounding. It synthesizes automatically from Signal + Noise wire coverage and the provider announcement — check back as the wire mentions this model.