nanochat

Train a small ChatGPT end to end on a budget.

Teach a model your data and style.

Gap ScorePending test on Mac Studio

59K stars
MIT
Updated 2026-09-07

Where it sits

nanochatModelthe weights
Runtimeruns & routes it
Harnessmakes it act
Memorymakes it remember
Toolsgives it hands

Catalog entryVerified it exists. Install steps not tested yet.

.md .json

Repo

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slug: "nanochat"
name: "nanochat"
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category: "finetune"
category_label: "Fine-tuning"
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homepage: null
repo: "https://github.com/karpathy/nanochat"
license: "MIT"
stars: 58660
last_push: "2026-09-07"
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tags: []
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gap_score_status: "pending test on Mac Studio"
verified_on: "2026-10-15"
---

# nanochat

**What:** Train a small ChatGPT end to end on a budget.

**Why:** Teach a model your data and style.

**Category:** Fine-tuning · **Stack layer:** model

## Status

Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.

## Install (unverified)

No install command found. no install command found in README; follow the README or docs

## Verify

No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).

## Rollback (unverified)

No derived rollback. Remove what the install created (see README).

## Links

- Repo: https://github.com/karpathy/nanochat
- README: https://github.com/karpathy/nanochat#readme