Amp Models

Amp uses the best model for each task: leading generalist foundation models for complex reasoning and planning, and smaller specialized models for fast, accurate responses in specific domains.

Agent Modes

Combination of System Prompt + Tools + Model

Unconstrained state-of-the-art model use

Claude Sonnet 4.5

Faster and cheaper, for small, well-defined tasks

Claude Haiku 4.5

Good fast models, free of charge

Feature Models

Next-action predictions in the editor

Bug identification & code review assistance

Gemini 2.5 Flash-Lite

Specialized Subagents

Fast, accurate codebase retrieval

Claude Haiku 4.5

Oracle

Complex reasoning & planning on code

Librarian

Large-scale retrieval & research on external code

Claude Sonnet 4.5

System Models

Context analysis for task continuation

Gemini 2.5 Flash

Thread categorization for indexing & analytics

Gemini 2.5 Flash-Lite

Fast title generation for threads

Claude Haiku 3.5

See the Amp Security Reference for more details on model use and inference providers.