Amp 2025.12.17
Amp 2025.12.17 was released on .
Summary
Gemini 3 Flash in the Search Subagent Amp's codebase search subagent now uses Gemini 3 Flash instead of Haiku 4.5. It's 3x faster for the same quality. Gemini 3 Flash is better at parallel tool cal...
Release Context
- This was the 25th Amp release of 2025 tracked by Havoptic.
- It shipped 1 day after Amp 2025.12.16 (December 16, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- GitHub Copilot CLI v0.0.372 (December 19, 2025)
- Claude Code v2.0.74 (December 19, 2025)
- OpenAI Codex CLI rust-v0.76.0 (December 19, 2025)
- Gemini CLI v0.21.3 (December 19, 2025)
- Replit Agent 2025.12.19 (December 19, 2025)
Compare Amp
- Amp vs Claude Code
- Amp vs OpenAI Codex CLI
- Amp vs Cursor
- Amp vs Gemini CLI
- Amp vs Kiro CLI
- Amp vs GitHub Copilot CLI
- Amp vs Devin Desktop
- Amp vs Antigravity CLI
- Amp vs Grok Build
- Amp vs Cline
- Amp vs OpenCode
- Amp vs Zed
- Amp vs Factory Droid
- Amp vs Devin
- Amp vs Lovable
- Amp vs GitHub Copilot in VS Code
- Amp vs Replit Agent
- Amp vs Bolt
- Amp vs v0
Release Notes
Gemini 3 Flash in the Search Subagent Amp's codebase search subagent now uses Gemini 3 Flash instead of Haiku 4.5. It's 3x faster for the same quality. Gemini 3 Flash is better at parallel tool calls, explores with diverse queries, and concludes early. Where Haiku 4.5 averaged ~2.5 parallel calls per iteration, Gemini 3 Flash fires off ~8. It wraps up in ~3 turns instead of ~9.
Other Recent Amp Releases
- 2026.10.19 (October 19, 2026)
- 2026.10.16 (October 16, 2026)
- 2026.10.13 (October 13, 2026)
- 2026.10.12 (October 12, 2026)
- 2026.10.12.2 (October 12, 2026)
Upgrading from 2025.12.17? See all 89 releases since.