OpenAI Previews GPT-5.6 Sol Cybersecurity Model, Restricts Early Access at US Government Request (infosecurity-magazine.com)

• OpenAI unveils GPT-5.6 Sol, its most capable cybersecurity model.
• Early access gated to vetted partners at US government request.
• Priced at $5/M input tokens, $30/M output; broader release in weeks.

"OpenAI previewed GPT-5.6 Sol, its most capable cybersecurity model, with early access restricted to a small group of vetted partners at the request of the US government. The model is the first in the GPT-5.6 series, offered in three tiers: flagship Sol, mid-range Terra, and cheaper Luna. OpenAI plans broader availability within weeks."