Twitter/X

The top coding model changes every few weeks

2026-08-04 · 16:21 UTC ·@hamptonism ·0 min read

Brief

Not Diamond Code, announced August 4, 2026 by Tomas Hernando Kofman (@tomas_hk), is an intelligent model router that auto-selects the optimal coding model and reasoning effort per step. It targets fast-moving model rankings—Claude, DeepSeek, GPT, Gemini, Kimi—claims compatibility with any gateway (including Claude Code) and promises 20–65% cost savings without degrading quality.

Why it matters

The top coding model changes every few weeks: Claude, DeepSeek, GPT, Gemini and Kimi repeatedly trade places on quality, speed, and cost.

Key details

  • Manually updating model stacks is a “major tax”; Tomas Hernando Kofman (@tomas_hk) announced Not Diamond Code on 2026-08-04 to route the best model per task step and select reasoning effort.
  • Not Diamond Code claims compatibility with any gateway/harness (including Claude Code), markets itself as “the world’s most powerful intelligent model router for long-horizon coding agents,” and promises 20–65% cost reductions without impacting quality.
Source evidence

At this point, the best coding model literally changes every few weeks.

Claude, DeepSeek, GPT, Gemini, Kimi keep trading places on quality, speed, and cost.

Manually updating your stack every time the leaderboard moves is a major tax.

Not Diamond Code just routes the right model for the task so you stop playing model Twitter.

Tomas Hernando Kofman (@tomas_hk)

Today we’re announcing Not Diamond Code, the world’s most powerful intelligent model router for long-horizon coding agents.

Not Diamond works with any gateway or harness, including Claude Code, to select the best model and reasoning effort for each step, reducing costs by 20-65% without impacting quality.

Video

— https://nitter.net/tomas_hk/status/2084669945150062619#m