Top AI Coding Agents Dec 2025 | Opus 4.5, Gemini 3.0 Pro, GPT 5.1
The challenge of testing every agent combination • Virtual vs. Native tool calling explained • Specialized tools vs. generic terminal commands
Video Chapters
- 0:00 The challenge of testing every agent combination
- 1:02 Virtual vs. Native tool calling explained
- 2:36 Specialized tools vs. generic terminal commands
- 3:57 Measuring instruction following workflows
- 5:50 Why harness choice is critical for Gemini 3.0 Pro
- 8:50 Top scores: GitHub Copilot Claude Code vs. ZAI
- 11:05 Surprising performance from Open Code & GPT 5.1
- 12:55 Gemini 3.0 Pro: Good taste, bad execution?
- 14:55 Testing Opus 4.5's consistency
- 16:08 The final benchmark breakdown
- 18:20 The top agent choice for December
- 20:12 Cursor review: Plan Mode and costs