Sources & verification notes

GPT-5.6 Cyber

• Exact identifier & access

  Identity and lifecycle apply to this exact identifier and serving surface.

  • All models ↗OpenAI · provider-authored · checked Sep 23, 2026

• First availability

  Effective Aug 7, 2026. Checked Sep 23, 2026.

  First API availability per the API changelog; the launch post itself is dated August 10, 2026.

  • Changelog ↗OpenAI · provider-authored · checked Sep 23, 2026

• First availability

  Effective Aug 10, 2026. Checked Sep 24, 2026.

  Announced on August 10, 2026 and reported the next day; the changelog's August 7 was never announced publicly.

  • OpenAI expands Daybreak with Blue and Red tiers and GPT-5.6-Cyber ↗Infosecurity Magazine · independent-authored · checked Sep 24, 2026

• Availability status

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  Restricted access: requires separate approval and provisioning through the Daybreak program (Daybreak Red tier).

  • All models ↗OpenAI · provider-authored · checked Sep 23, 2026
  • GPT-5.6 Cyber Model ↗OpenAI · provider-authored · checked Sep 23, 2026

• Capabilities & limits

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  Restricted access: requires separate approval and provisioning through the Daybreak program (Daybreak Red tier).

  • GPT-5.6 Cyber Model ↗OpenAI · provider-authored · checked Sep 23, 2026

• Input price

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  Derived from the captured rate card's standard token row.

  • Pricing ↗OpenAI · provider-authored · checked Sep 23, 2026
  • GPT-5.6 Cyber Model ↗OpenAI · provider-authored · checked Sep 23, 2026

• Output price

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  Derived from the captured rate card's standard token row.

  • Pricing ↗OpenAI · provider-authored · checked Sep 23, 2026
  • GPT-5.6 Cyber Model ↗OpenAI · provider-authored · checked Sep 23, 2026

• Model card

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  • GPT-5.6 Cyber Model ↗OpenAI · provider-authored · checked Sep 23, 2026
  • Expanding Daybreak as the Cyber Defense Window Narrows ↗OpenAI · provider-authored · checked Sep 23, 2026

• Official announcement

  Effective Aug 10, 2026. Checked Sep 23, 2026.

  • Expanding Daybreak as the Cyber Defense Window Narrows ↗OpenAI · provider-authored · checked Sep 23, 2026

• Full rate card

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  • Pricing ↗OpenAI · provider-authored · checked Sep 23, 2026
  • GPT-5.6 Cyber Model ↗OpenAI · provider-authored · checked Sep 23, 2026

• License

  Effective date not established; this is an observation. Checked Sep 23, 2026.

  Not verified. These sources establish the identifier, not this missing fact.

  • All models ↗OpenAI · provider-authored · checked Sep 23, 2026