# Amp — Go Deep

- Company: Amp (ampcode.com)
- Announced: 2026-01-28
- Category: capability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://ampcode.com/news/deep-mode
- Record: https://forck.live/items/7760-go-deep
- Subject: Amp
- Models affected: GPT-5.2-Codex, GPT-5.3-Codex

Amp introduced a new agent mode called 'deep' that uses GPT-5.2-Codex and a selection of tools. The mode is designed to silently read files and work autonomously for extended periods before making changes, complementing the existing 'smart' mode.

## Evidence

Verbatim from https://ampcode.com/news/deep-mode:

> Amp has a new agent mode: deep . It uses GPT-5.2-Codex and a selection of tools that are tuned to what this model is good at.

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Record: https://forck.live/items/7760-go-deep
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md