GlossarySafetyIntermediate

ASL-3

Also written: AI Safety Level 3

AI Safety Level 3: Enhanced security and safety measures for advanced AI models to prevent catastrophic risks.

In plain terms

AI Safety Level 3 (ASL-3) is a set of high-level safety and security protocols. Anthropic uses it for its most advanced AI models, like Claude Opus 4.

Think of it like a bank vault for very powerful AI. ASL-3 includes extra layers of monitoring and control to make sure the AI doesn't cause widespread harm, especially if it becomes much more capable in the future.

The expert version

AI Safety Level 3 (ASL-3) represents a tier within Anthropic's Responsible Scaling Policy, denoting a specific set of stringent security and safety controls. These measures are designed to mitigate the risks of catastrophic misuse associated with highly capable AI systems.

ASL-3 is activated when an AI model reaches a certain capability threshold or is deployed in a way that could pose significant societal risks. The exact technical specifications of ASL-3 are proprietary but are understood to involve enhanced monitoring, access controls, and operational safeguards.

Why it matters now

Anthropic is activating AI Safety Level 3 protections for Claude Opus 4 as a precautionary step. This level is part of their Responsible Scaling Policy, which they are updating and detailing.

Where it shows up 2 items, newest first
How each company uses it
Anthropic Claude
Anthropic uses AI Safety Level 3 as a higher tier of protections within its Responsible Scaling Policy for its AI models.
Related terms

Responsible Scaling PolicyAI safetyAI alignmentCatastrophic riskAI capabilitiesAI governance

Often confused with
AI Safety Level 1
A basic level of safety measures for AI systems.
AI Safety Level 2
An intermediate level of safety protocols, more robust than L
Red Teaming
The practice of testing AI systems for vulnerabilities and potentia
Origin

ASL-3 is a term originating from Anthropic's internal policies and public communications regarding AI safety and responsible development. It is a component of their broader Responsible Scaling Policy. Source ↗

Try this about 5 minutes

While ASL-3 itself is an internal policy, you can observe Anthropic's commitment to safety by interacting with Claude. Ask Claude about its safety guidelines or how it handles sensitive topics. This provides a glimpse into the principles that underpin their safety levels.

Try it: Playbook entries that use thisPlaybook →

The Playbook: reusable how-tos, prompts, configs and tips pulled out of the news.

Questions people ask

What is the purpose of ASL-3?
ASL-3 is designed to implement rigorous safety and security measures for highly capable AI models to prevent potential catastrophic misuse and ensure responsible deployment.
Does ASL-3 apply to all AI models?
No, ASL-3 is specifically applied to AI models that reach a certain threshold of capability or pose significant societal risks, as determined by Anthropic's Responsible Scaling Policy.

First seen on Subvolts Sep 10, 2024. Updated Oct 19, 2026. Written by an AI model from the items above and reviewed against them weekly; report an error.