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OpenAI

GPT-5.6

v5.6 · frontier · Released June 27, 2026

Use with Caution

Updated July 16, 2026

GPT-5.6 has been publicly released, triggering vendor reassessment and model change obligations for enterprise compliance teams. The model warrants continued YELLOW status until compliance reviews are resolved and a full model card and safety evaluation are confirmed published.

Enterprise guidance

GPT-5.6 public availability is pending clearance from US government review. Access is currently limited to vetted OpenAI partner organizations. If your organization has a direct OpenAI partnership, contact your account representative to inquire about early access. For all other organizations, GPT-4o is fully available and cleared for enterprise use without restriction — it remains the recommended default.

Active Compliance Flags1

government_restrictionMediumJune 27, 2026

US government requested delay of full public launch. Access limited to vetted partners. Consistent with EO Section 3 covered frontier model framework.

Primary source →

Data handling

Default data retention

Not yet established — expected to follow GPT-4o enterprise terms once generally available

Zero-retention available

Yes

Via: Expected via OpenAI Enterprise and Azure OpenAI once cleared for general availability

API data used for training

No

OpenAI enterprise API data is not used for training by default — expected to apply to GPT-5.6 under the same terms.

GDPR Data Processing Agreement

Available

HIPAA Business Associate Agreement

Not available

Not yet established for GPT-5.6; expected to follow GPT-4o Enterprise path at general availability.

Data residency options

US; international regions expected via Azure OpenAI once government clearance is granted

Vendor compliance certifications

SOC 2 Type II (OpenAI)ISO 27001 (OpenAI)FedRAMP status for GPT-5.6 not yet determined

Key use restrictions

  • Access: vetted OpenAI partner organizations only — no general API or ChatGPT availability pending government review
  • Enterprise procurement not available to general-market organizations at this time
  • Recommended alternative for organizations needing OpenAI capabilities now: GPT-4o (cleared, fully available)

Safety documentation

Model card not published
System card not published
Red-team report not published

No public safety documentation released for GPT-5.6 as of current date. Safety evaluations are underway as part of the government review process. Full documentation expected at general availability launch.

Related governance resources

Governance controls

Playbook guides

Status history

July 16, 2026· yellow to yellow

While the public release is a positive signal, the pending vendor reassessment and compliance obligations introduced by this release mean GREEN criteria are not yet fully met. YELLOW status is maintained until those obligations are cleared.

June 27, 2026· green to yellow

US government requested delay of full public launch at time of initial release.

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