Agentic Shootout: Kimi K2 vs Gemini 2.5 Pro in OpenCode

Compare Kimi K2 and Gemini 2.5 Pro agentic capabilities in OpenCode.

• Version: 0.3.48
• OS: Linux

Kimi K2 vs. Gemini 2.5 Pro

AI Model: Gemini 2.5 Pro

TUI looks great!

Strangely, the default Gemini 2.5 Pro model is the preview version:

Switch to the production grade Gemini 2.5 Pro model and retry;

Gemini using OpenCode tools:

OpenCode write tool failed. The 'Write' tool execution aborted with "AI_NoSuchToolError: model tried to call unavailable tool 'write'. Available tools: bash, webfetch, ..."

Gemini hallucinated the Perlin noise JavaScript library CDN link :sweat_smile 'Write' tool failed again.

Task progress and summary. Gemini try to fetch the JavaScript library again:

It says "I have successfully fetched the Perlin noise library ..." and timeout (TimeOutError). I'm so confused:

Session: https://opencode.ai/s/XyX6Yf6w

AI Model: Kimi K2

Prompt and plan:

Write tool use and files created:

Prompt it to make file changes:

Kimi created a complete web-based 3D Minecraft with trees and smooth terrain:

Code and files in VSCode:

Result - run it and open the game in the browser:

Session: https://opencode.ai/s/JJLnuZ7f