head to head · open source
generative-ai-for-beginners vs Letta
generative-ai-for-beginners has 119,956 GitHub stars, 63,149 forks, 23 open issues and last shipped yesterday. Letta has 3,366 stars, 411 forks, 347 open issues and last shipped yesterday. generative-ai-for-beginners leads on adoption by 3,464% (119,956 vs 3,366 stars). generative-ai-for-beginners is written in Jupyter Notebook under MIT; Letta is written in TypeScript under Apache-2.0. generative-ai-for-beginners has attracted 53% as many forks as stars, Letta 12%. Letta was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| generative-ai-for-beginners | Letta | |
|---|---|---|
| GitHub stars | ★ 120K | ★ 3.4K |
| License | MIT | Apache-2.0 |
| Written in | Jupyter Notebook | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 63K | ⑂ 411 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick generative-ai-for-beginners if
- You weight community size — 120K stars and counting
- You want the MIT license terms
- Your stack matches Jupyter Notebook
- You value the larger contributor base for long-term maintenance
pick Letta if
- You want the Letta feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Letta fits your workflow better
About generative-ai-for-beginners
Generative AI for Beginners is Microsoft's free, MIT licensed curriculum of 21 Jupyter Notebook lessons that teaches developers how to start building generative AI applications, aimed at newcomers who want a structured, self paced path instead of scattered documentation.
read the full generative-ai-for-beginners overview →
About Letta
Letta Code is an open source TypeScript harness under Apache 2.0 for stateful AI agents. It lives in the AI & Machine Learning / AI Development Platforms ecosystem. It gives agents memory, identity, and a sense of experience over time. It targets agents that behave more like people than tools.
read the full Letta overview →
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Frequently asked questions
Is generative-ai-for-beginners or Letta more popular?
generative-ai-for-beginners has 119,956 GitHub stars and Letta has 3,366. generative-ai-for-beginners has the larger community by that measure.
Are generative-ai-for-beginners and Letta free?
Both are open source. generative-ai-for-beginners is licensed under MIT and Letta under Apache-2.0. Neither carries a licence fee.
What is the difference between generative-ai-for-beginners and Letta?
generative-ai-for-beginners is written in Jupyter Notebook and Letta in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, generative-ai-for-beginners or Letta?
Choose generative-ai-for-beginners if you want the larger community (119,956 stars) or its MIT licence terms. Choose Letta if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.