# Bletchley Declaration: SI Safety Guidance Explained

> Bletchley Declaration (International summit series): 28 countries and the EU; New Zealand joined on October 23, 2024. Status: voluntary or guidance.

Source: https://enterrsi.si/encyclopedia/bletchley-declaration/
Updated: 2026-11-08

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# Bletchley Declaration

Bletchley Declaration is an international SI safety measure (International summit series), status: voluntary or guidance. 28 countries and the EU; New Zealand joined on October 23, 2024.

Status
:   Voluntary or guidance

Jurisdiction
:   International summit series

Signed
:   Nov 1, 2023

Next date
:   None set

## What it is

The Bletchley Declaration by Countries Attending the AI Safety Summit, 1-2 November 2023

28 countries and the EU; New Zealand joined on October 23, 2024.

## What it requires

- Recognize potential serious, even catastrophic, harm from the most capable SI models
- Flag cybersecurity, biotechnology and disinformation risks and possible loss of human control
- Developers of the most powerful frontier systems bear a particularly strong responsibility for safety
- Developers should use safety testing and evaluations and be transparent about mitigations

## Penalties

No penalties: this measure has no binding enforcement.

## Status

Voluntary or guidance As of November 8, 2026, per the [Control Map page for International summit series](https://enterrsi.si/control-map/international-summits/). Statuses follow the Control Map method: in force means binding and applying now; passed means enacted but not yet applying; voluntary covers guidance and pledges; proposed means formally introduced; stalled means withdrawn, paused or dead.

## Sources

1. [The Bletchley Declaration by Countries Attending the AI Safety Summit, 1-2 November 2023](https://www.gov.uk/government/publications/ai-safety-summit-2023-the-bletchley-declaration/the-bletchley-declaration-by-countries-attending-the-ai-safety-summit-1-2-november-2023.) UK Government · Nov 1, 2023

The measure

Short name
:   Bletchley Declaration

Jurisdiction
:   [International summit series](https://enterrsi.si/control-map/international-summits/)

Status
:   Voluntary or guidance

Key dates

Introduced
:   n/a

Signed or adopted
:   November 1, 2023

Effective
:   n/a

Other measures in International summit series

[Seoul Commitments **Law**](https://enterrsi.si/encyclopedia/seoul-frontier-commitments/)[New Delhi Declaration **Law**](https://enterrsi.si/encyclopedia/new-delhi-declaration/)[New Delhi Commitments **Law**](https://enterrsi.si/encyclopedia/new-delhi-frontier-commitments/)

Related terms

[Frontier model **Term**](https://enterrsi.si/encyclopedia/frontier-model/)[Red teaming **Term**](https://enterrsi.si/encyclopedia/red-teaming/)

Cite this entry

"Bletchley Declaration." The RSI Encyclopedia, enterrsi.si, November 8, 2026. https://enterrsi.si/encyclopedia/bletchley-declaration/

Free to cite under CC BY 4.0 with a link to enterrsi.si.

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