Amp 2025.12.09
Amp 2025.12.09 was released on .
Summary
200k Tokens Is Plenty After Opus 4.5 became Amp's main model a few weeks ago, quite a few of us had to get used to a 200k token window again. But not Lewis. He doesn't mind, because he "loves short...
Release Context
- This was the 18th Amp release of 2025 tracked by Havoptic.
- It shipped 1 day after Amp 2025.12.08 (December 8, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Replit Agent 2025.12.12 (December 12, 2025)
- v0 2025.12.12 (December 12, 2025)
- v0 2025.12.12.2 (December 12, 2025)
- Claude Code v2.0.67 (December 11, 2025)
- Zed v0.216.1 (December 11, 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
200k Tokens Is Plenty After Opus 4.5 became Amp's main model a few weeks ago, quite a few of us had to get used to a 200k token window again. But not Lewis. He doesn't mind, because he "loves short threads" and now he wrote down how he uses them and why he would probably stop his threads early even if more tokens were available.
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 2025.12.09? See all 96 releases since.