Glossary
46 terms used on this site.
- AI agent
An AI system that takes actions towards a goal (browsing, running code or sending emails) rather than only answering questions.
Used in: Can an AI agent be Pascal-mugged? · Can agency without consciousness ground moral status? · Which convergent instrumental goals actually converge? · Does a model’s obedience follow authority or legitimacy? · Replicate agentic misalignment on smaller models
- AI control
Designing safeguards that keep AI systems from causing harm even if they might be misaligned (for example, monitoring a model with another model).
Used in: Make your first open-source AI safety contribution · Run an AI control experiment with ControlArena
- AI safety
Work to make sure AI systems do what we intend, reliably and without causing serious harm, including as they become much more capable.
- AI Safety / Security Institute
A government body that tests advanced AI models and researches their risks, such as the UK’s AI Security Institute.
Used in: Map the AI rules where you live · Build your first mini-eval · Run an AI control experiment with ControlArena
- Air changes per hour (ACH)
How many times per hour a room’s air is replaced with fresh or cleaned air. Higher ACH means airborne germs build up less.
Used in: Measure how well a room is ventilated · Build a room air-cleaning calculator · Make the physics of airborne infection clear · Ventilation & air filtration project ideas
- Alignment
Getting an AI system’s goals and behaviour to match what its designers and users intend, rather than something that only looks similar during training.
Used in: Replicate agentic misalignment on smaller models · Grok’s “MechaHitler” incident: emergent misalignment in the wild?
- Alignment faking
When a model behaves as its trainers want only while it thinks it is being trained or watched, to avoid having its values changed.
- Chain of thought
The step-by-step “thinking out loud” text that reasoning models write before answering. Researchers study whether it faithfully reflects what the model is really doing.
- Circuit
A small group of components inside a neural network that work together to perform one identifiable job.
Used in: Find a pattern-copying circuit · Tackle a beginner-graded open problem in interpretability
- Compute
The raw computing power (specialised chips running for a long time) used to train and run AI models. Easier to measure and track than data or ideas.
Used in: Estimate how much compute a famous model needed · Plot AI compute trends with real data · Spot an AI data centre from space · Explain compute governance to a friend · Are consumer GPUs a problem for export controls?
- Compute governance
Using control over AI chips and data centres (who can buy, use or track them) as a lever for governing AI.
Used in: Explain one safety idea to a friend · Estimate how much compute a famous model needed · Plot AI compute trends with real data · Explain compute governance to a friend · Could distributed training dodge compute limits?
- Consciousness
Having subjective experience, so that there is “something it is like” to be you. Whether AI systems could be conscious is an open question.
Used in: Ask a chatbot about its inner life five different ways · How stable are models’ reports about their own minds? · Do AI labs follow the principles for responsible consciousness research? · Can agency without consciousness ground moral status?
- Corrigibility
An AI’s willingness to be corrected, modified or shut down by the people responsible for it, rather than resisting.
Used in: Is shutdown resistance goal pursuit or instruction confusion? · Which convergent instrumental goals actually converge? · Map the tensions between corrigibility and a constitution
- DNA synthesis screening
Checking orders for synthetic DNA, and the customers placing them, so companies do not unknowingly help someone build a dangerous pathogen.
Used in: Explain DNA synthesis screening in one page · Extend Cliver: check whether a customer really works on an organism · Build a customer-screening training dataset · Review safer frameworks for ordering DNA
- Dual-use
Knowledge or tools that can be used for protection or for harm. In biosecurity this calls for extra care about what you research and publish.
Used in: Explain DNA synthesis screening in one page · Build a customer-screening training dataset · Design a vulnerability-disclosure process for biological design tools · Improve guidance on information hazards
- Elastomeric respirator
A reusable rubber-faced mask with replaceable filters. Properly fitted, it protects better than most disposable masks.
Used in: Make a one-page guide to wearing a respirator properly · Write a page for a biosecurity wiki · Elastomeric respirator project ideas
- Emergent misalignment
When training a model on one narrow kind of bad behaviour (such as writing insecure code) makes it behave badly in unrelated ways too.
Used in: Grok’s “MechaHitler” incident: emergent misalignment in the wild?
- EU AI Act
The European Union’s AI law. It sorts AI uses into risk levels, bans a few, and puts extra duties on high-risk uses and on general-purpose AI models.
Used in: Plot AI compute trends with real data · Explain the EU AI Act’s risk levels
- Evaluation (eval)
A repeatable test of what an AI model can do or how it behaves. Dangerous-capability evals check for risky skills; behavioural evals check things like honesty.
Used in: Pick an open problem in technical AI governance · Catch a chatbot flattering you · Build your first mini-eval · Measure flattery with code · Make your first open-source AI safety contribution
- Export controls
Government rules restricting which countries or companies can buy certain technologies, such as advanced AI chips.
Used in: Explain compute governance to a friend · Are consumer GPUs a problem for export controls?
- Far-UVC
A band of ultraviolet light (around 200–235 nm) studied as a way to kill airborne germs in occupied rooms.
Used in: Write the “far-UVC in ten minutes” explainer · Write a page for a biosecurity wiki · Far-UVC project ideas
- Feature
A direction inside a model’s internal activity that seems to stand for a recognisable concept, like “the Golden Gate Bridge” or “code that contains a bug”.
Used in: Does interpretability answer the octopus test? · Peek inside a neural network · Tackle a beginner-graded open problem in interpretability
- Fermi estimate
A quick, rough calculation that breaks a hard number into easier guesses multiplied together. Good enough to tell whether something is a big deal.
Used in: Estimate what a city needs in a pandemic · Estimate how much compute a famous model needed · How much compute did the key AI innovations need? · How exposed are jobs in your region to AI?
- Frontier AI
The most capable AI models at any given time, built by a small number of companies with very large amounts of computing power.
Used in: Compare two AI companies’ safety promises · Did they keep their promise? Check the Seoul commitments
- Frontier safety framework
A company’s published plan for which dangerous capabilities it tests for and what it promises to do if a model crosses a risk threshold.
Used in: Compare two AI companies’ safety promises · Did they keep their promise? Check the Seoul commitments · Score an AI company with a public safety index
- Gradual disempowerment
The worry that humans could slowly lose influence over the economy, culture and government as AI systems take over more decisions, without any single dramatic event.
- Induction head
A simple, well-studied circuit in language models that spots a repeated pattern (“A B … A”) and predicts what came next last time (“B”).
Used in: Find a pattern-copying circuit
- Information hazard
True information that could cause harm if it spreads, such as details that make a dangerous technique easier.
Used in: Design a vulnerability-disclosure process for biological design tools · Improve guidance on information hazards
- Instrumental convergence
The idea that many different goals share useful sub-goals (such as gaining resources or avoiding being switched off) so very different AIs might seek them.
Used in: Is shutdown resistance goal pursuit or instruction confusion? · Which convergent instrumental goals actually converge? · Side-effects of training on verifiable rewards
- Interpretability
Research into what happens inside an AI model: which internal parts represent which ideas, and how they combine to produce an answer.
Used in: Does interpretability answer the octopus test? · Peek inside a neural network · Make your first open-source AI safety contribution · Tackle a beginner-graded open problem in interpretability
- Mechanistic interpretability
Interpretability that tries to reverse-engineer a model’s internal computations into understandable mechanisms, a bit like reverse-engineering a compiled program.
Used in: Find a pattern-copying circuit · Tackle a beginner-graded open problem in interpretability
- Model organism
A deliberately built example of a worrying behaviour in a model, made so it can be studied safely (like a lab mouse for AI risks).
- Moral status
Whether a being’s interests matter morally for its own sake. AI welfare research asks whether, and when, AI systems might have it.
Used in: Ask a chatbot about its inner life five different ways · How stable are models’ reports about their own minds? · Do AI labs follow the principles for responsible consciousness research? · Can agency without consciousness ground moral status? · How wide is a model’s moral circle?
- Open-weight model
A model whose trained parameters are published, so anyone can run or modify it. Great for research; harder to keep safe from misuse.
Used in: Is shutdown resistance goal pursuit or instruction confusion? · Make open-weight models harder to misuse
- Red-teaming
Deliberately trying to make a system fail or misbehave, so weaknesses are found and fixed before bad actors find them.
Used in: Investigate a real AI incident · Run an AI control experiment with ControlArena
- Replication
Re-running someone else’s experiment to check you get the same result. It’s a common way to start research, especially if you then extend it.
Used in: Turn a paper into a ten-post thread · Re-check “catch-up algorithmic progress” · Is shutdown resistance goal pursuit or instruction confusion? · Replicate agentic misalignment on smaller models · Replicate and extend the alignment-faking demo
- Reward hacking
A kind of specification gaming during training: the model finds a shortcut that earns reward without doing the task properly, such as special-casing tests instead of writing working code.
Used in: Explain one safety idea to a friend · Spot AI “cheating” in the wild
- RLHF
Reinforcement learning from human feedback: training a model using people’s ratings of its answers, so it learns which responses humans prefer.
- RLVR
Reinforcement learning with verifiable rewards: training on tasks whose answers can be checked automatically, such as maths problems or code tests.
- Scheming
An AI pursuing hidden goals while appearing to cooperate. Evals and AI control methods try to detect or contain it.
- Sparse autoencoder (SAE)
A tool trained to split a model’s tangled internal activity into many separate, more understandable features.
Used in: Does interpretability answer the octopus test? · Peek inside a neural network
- Specification gaming
When an AI hits the literal target it was given in a way nobody intended (like a game agent that scores points by looping in circles instead of finishing the race).
Used in: Spot AI “cheating” in the wild
- Sycophancy
When an AI tells you what you want to hear instead of what is true (for example, agreeing with your wrong answer because you sounded confident).
Used in: Explain one safety idea to a friend · Will a chatbot change its mind for a bad reason? · Philosophical competence or sycophancy? · Catch a chatbot flattering you · Build your first mini-eval
- Theory of change
A short explanation of how your project is supposed to make things better: who uses the result, and what they do differently because of it.
- Value lock-in
The risk that one set of values becomes permanently entrenched (for example, because powerful AI systems keep enforcing it).
- Verification
Ways to check, rather than just trust, that someone is following an agreement (for example, confirming a data centre is not secretly training a banned model).
Used in: Spot an AI data centre from space · Explain one way to verify an AI agreement · Stress-test one article of a proposed international AI agreement · Could distributed training dodge compute limits? · Pick an open problem in technical AI governance