# GPT-5.6

Type: Product

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/gpt-56
Canonical HTML page: https://getlegalbrief.com/entity/gpt-56

## Timeline

- **2026-07-27**: Promised open-source release of Kimi K3 — Moonshot AI commits to open-sourcing full model weights, further challenging U.S. model dependency.
- **2026-07-16**: Moonshot AI releases Kimi K3 — Kimi K3 becomes the first Chinese model to top a major coding leaderboard, surpassing Fable 5 and GPT-5.6.
- **2026-07-01**: Fable 5 partially restored — Fable 5 access resumes with added safeguards, but Mythos 5 remains limited to approved U.S. institutions.
- **2026-06-26**: Staggered Rollout Directive — The White House directs OpenAI to stagger GPT-5.6 access, approving customers one at a time; Sam Altman informs staff of the new government gatekeeping.
- **2026-06-26**: OpenAI agrees to limit GPT-5.6 launch — OpenAI decides to release GPT-5.6 only to a small, administration-approved group after a White House request and consultations with OSTP and ONCD. CEO Sam Altman’s memo to staff acknowledges the limited release is not the preferred method.
- **2026-06-26**: Follow-up letter carves out trusted partners — Commerce Department issues a second letter narrowing the restriction to allow access for certain trusted foreign partners.
- **2026-06-12**: Commerce Department order — Anthropic ordered via unpublished letter to suspend foreign access to Fable 5 and Mythos 5 worldwide, invoking export controls.
- **2026-06-08**: OpenAI IPO Filing — OpenAI confidentially files for an IPO, targeting a valuation near $852 billion with a Q4 2026 listing.
- **2026-06**: Executive Order Signed — President Trump signs an executive order asking AI companies for voluntary 30-day early access to upcoming models, reduced from a 90-day draft.
- **2026-06**: Trump signs executive order on AI model release — President Trump signs an executive order requesting AI companies voluntarily submit models with advanced hacking capabilities for government review 30 days before release. The order follows the restricted launches of Anthropic’s Claude Mythos and OpenAI’s GPT-5.5-Cyber.
- **2026-06**: G7 Summit lunch discussion — President Macron warns U.S. leaders and AI CEOs that the ability to 'turn off the switch' on AI models would hurt both dependent economies and U.S. AI companies.
- **2026-06**: Z.ai releases GLM-5.2 — Chinese lab Z.ai ships open-weight model GLM-5.2 under MIT license; NIST evaluators later call it the most capable open-weight model at release.

## Recent coverage (3 stories)

### Unpublished Letter Suspended Global AI Access for 3 Weeks: The Legal Risks of Export Controls
2026-07-24 01:42:23 · Sentiment: Neutral · Impact: 7/10 · Sources: 2

Legal advisors must now account for the opaque exercise of U.S. export controls over AI. The Commerce Department's use of an unpublished letter to cut off global access to Anthropic's models—without a Federal Register notice—creates profound legal uncertainty for businesses dependent on American AI platforms.
Full story: https://getlegalbrief.com/story/ai-export-controls-unpublished-letter-legal-risks

### Trump’s 30-Day AI Review Order Drives OpenAI to Cap GPT-5.6 Release
2026-06-28 13:29:43 · Sentiment: Negative · Impact: 7/10 · Sources: 4

OpenAI’s voluntary curtailment of its latest AI model at the behest of the Trump administration signals a new phase of executive‑branch oversight over frontier AI, raising legal questions about the scope of presidential authority and the future of industry self‑regulation.
Full story: https://getlegalbrief.com/story/openai-gpt-5-6-restricted-trump-executive-order-legal

### $852B OpenAI IPO Faces New Hurdle as White House Demands 30-Day AI Model Preview
2026-06-27 00:38:40 · Sentiment: Neutral · Impact: 8/10 · Sources: 3

The White House is asserting unprecedented regulatory authority over frontier AI models, requesting staggered access to GPT-5.6, raising legal questions about executive power, voluntary arrangements, and the impact on OpenAI's $852 billion IPO.
Full story: https://getlegalbrief.com/story/white-house-openai-ipo-legal-early-access

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