# Chai-1 (Chai Discovery) vs Evo 2

Chai-1 (Chai Discovery) is freemium — a usable free tier with paid plans above it. Evo 2 is free, with no paid plan attached.

| | Chai-1 (Chai Discovery) | Evo 2 |
|---|---|---|
| Pricing | Free tier + paid plans | Free |
| Free to start | Yes | Yes |
| Category | Research & Learning | Research & Learning |
| Type | Science & Research AI | Science & Research AI |
| Best for | Chai-1 is free, Apache-2.0-licensed for academic and commercial use — a genuinely open structure-prediction model | DNA language model at single-nucleotide resolution with 1M base-pair context |

## FAQ

### Chai-1 (Chai Discovery) vs Evo 2: what is the difference?

Chai-1 (Chai Discovery) is freemium — a usable free tier with paid plans above it and is listed for chai-1 is free, Apache-2.0-licensed for academic and commercial use — a genuinely open structure-prediction model. Evo 2 is free, with no paid plan attached and is listed for DNA language model at single-nucleotide resolution with 1M base-pair context. Both sit in Science & Research AI.

### Is Chai-1 (Chai Discovery) or Evo 2 cheaper to start with?

Evo 2 is the cheaper starting point: it is free, with no paid plan attached, while Chai-1 (Chai Discovery) is freemium — a usable free tier with paid plans above it. Pricing tiers here come from the catalog, not from a promotional page.

### Which should I choose, Chai-1 (Chai Discovery) or Evo 2?

Choose Chai-1 (Chai Discovery) if you need chai-1 is free, Apache-2.0-licensed for academic and commercial use — a genuinely open structure-prediction model; choose Evo 2 if you need DNA language model at single-nucleotide resolution with 1M base-pair context. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

## Related

- [Chai-1 (Chai Discovery)](https://aitools.flocci.in/tool/chai-1-chai-discovery)
- [Evo 2](https://aitools.flocci.in/tool/evo-2)
- [Chai-1 (Chai Discovery) alternatives](https://aitools.flocci.in/alternatives/chai-1-chai-discovery)
- [Evo 2 alternatives](https://aitools.flocci.in/alternatives/evo-2)
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Source: Flocci AI Tools — https://aitools.flocci.in/compare/chai-1-chai-discovery-vs-evo-2

Facts last verified: October 2026