Blast radius
The potential scope and impact of a failure or unintended consequence.
Blast radius refers to how widespread a problem could be if an AI system fails or behaves unexpectedly. It's about the potential damage or disruption that could occur.
For example, if an AI controlling a factory's robots has a bug, the blast radius would be the number of robots affected, the amount of product ruined, or the length of the shutdown. A small blast radius means a problem affects only a few things, while a large blast radius means it could affect many.
Blast radius quantifies the potential scope and impact of a failure, error, or unintended consequence within an AI system or its deployment. It considers the direct and indirect effects, such as data corruption, service disruption, financial loss, or safety incidents. Minimizing blast radius is a key goal in robust system design and safety engineering.
As AI models become more powerful and integrated into more products, the potential blast radius of any failure increases. Companies like OpenAI and Anthropic are actively discussing how they manage and contain these risks. This focus on safety and containment is crucial as AI systems scale to serve billions of users.
- Rapidly scaling online storage to serve over 1 billion ChatGPT usersOpenAI · OpenAI News ·
- How we contain Claude across productsAnthropic · Anthropic Engineering ·
- Anthropic Claude
- Anthropic discusses how they contain Claude across products, implying a need to manage the blast radius of their AI agents.
- OpenAI ChatGPT
- OpenAI's scaling of its storage platform to support over a billion users suggests a need to consider the blast radius of infrastructure failures impacting a massive user base.
- Fault tolerance
- Fault tolerance is the ability of a system to continue operatin
- Redundancy
- Redundancy involves having backup components or systems, which can h
- Cascading failure
- A cascading failure is a specific type of failure where one f
The term 'blast radius' originates from nuclear physics and explosives engineering, referring to the area affected by an explosion. In computing and systems engineering, it was adopted to describe the potential impact of failures.
Try using a voice assistant like ChatGPT or Copilot to perform a complex, multi-step task, such as planning a trip with specific constraints. If the assistant makes a mistake, observe how many parts of the plan are affected. This can give you a small sense of the blast radius of an AI error in a complex task.
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Questions people ask
- How is blast radius different from a bug?
- A bug is the underlying cause of an error. Blast radius is the measure of how far the effects of that bug spread and what impact they have.
- Why is minimizing blast radius important for AI?
- Minimizing blast radius is crucial for safety and reliability. It ensures that if an AI system does fail, the damage is contained and does not cause widespread disruption or harm.
First seen on Subvolts Jun 6, 2026. Updated Sep 18, 2026. Written by an AI model from the items above and reviewed against them weekly; report an error.