# Zep Agent Skills let Haiku match Opus 5.5 at 7x the speed

> Original title: How to replace a large, expensive, and slow model with a small, cheaper, fast model and still get the same results.

- Source: Santiago
- Published: 2026-11-05T17:45:36.000Z
- Bad Influence: https://badinfluence.news/items/fh8yj0onhjqgbg0drtrahaap7
- Original: https://x.com/svpino/status/2118399344332464395

## Summary

Santiago shows how Zep Agent Skills teach Claude Haiku to complete a task Opus 5.5 handles, without fine-tuning the model. Haiku finishes in 59 seconds versus 7 minutes for Opus 5.5, using 700K tokens instead of 1.4M.

## Post

How to replace a large, expensive, and slow model with a small, cheaper, fast model and still get the same results.

7x faster and 50% fewer tokens.

This is like fine-tuning, but without touching the model.

Here, we teach Haiku, using Zep Agent Skills, to do what Opus 5.5 does to complete a task.

• It takes 7 minutes with Opus 5.5. Only 59 seconds with Haiku.
• It takes 1.4M tokens with Opus 5.5. Only 700K with Haiku.

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2118399195044524033%2Fimg%2F2ms-WE9WS2Mt7RZl.jpg&mode=thumb&exp=1794096000&sig=2f7c0c4b9c845ebe)