Parameter
Parametre
D1
Learnable model parameters are fitted using training data during training, and model parameters can change while an AI model is being built.
Review status: 2027-02-23
Technical explanation
Training data are used to fit learnable parameters, and those parameters are part of a model used to make inferences from inputs to produce outputs.
Conceptual boundaries
This entry is limited to learnable model parameters; training data are distinct data used to fit them.
Provider-neutral example
During model development, parameters can change before the model is used to derive outputs from inputs.
Limitations
Parameters usually remain fixed after deployment once the model-development phase has concluded, although some systems can later adapt or be retrained.
Related concepts
Atomic claims and evidence
1.1OECD, Explanatory Memorandum on the Updated OECD Definition of an AI System
- Source
- OECD, Explanatory Memorandum on the Updated OECD Definition of an AI System
- Source role
- Authoritative source
- Exact locator
- AI model parameters during build and deployment, p. 7
- Supported claim
- Learnable model parameters are fitted using training data during training, and model parameters can change while an AI model is being built.
- Last verification
- Review due
- Scope limitation
- Parameters usually remain fixed after deployment once the model-development phase has concluded, although some systems can later adapt or be retrained.
1.2Regulation (EU) 2024/1689 (Artificial Intelligence Act)
- Source
- Regulation (EU) 2024/1689 (Artificial Intelligence Act)
- Source role
- Authoritative source
- Exact locator
- Article 3(29)
- Supported claim
- Learnable model parameters are fitted using training data during training, and model parameters can change while an AI model is being built.
- Last verification
- Review due
- Scope limitation
- Parameters usually remain fixed after deployment once the model-development phase has concluded, although some systems can later adapt or be retrained.
2.1Regulation (EU) 2024/1689 (Artificial Intelligence Act)
- Source
- Regulation (EU) 2024/1689 (Artificial Intelligence Act)
- Source role
- Authoritative source
- Exact locator
- Article 3(29)
- Supported claim
- Training data are used for training through fitting an AI system’s learnable parameters.
- Last verification
- Review due
- Scope limitation
- This does not imply that all parameters are learned or that fitting alone establishes performance.