---
license: apache-2.0
---

## Evo 2

Evo 2 is a state-of-the-art DNA language model trained autoregressively.

For instructions, details, and examples, please refer to the [github](https://github.com/ArcInstitute/evo2) and [paper]().

Evo 2 40B and 7B checkpoints, trained up to 1 million sequence length, are available here:
| Checkpoint name | Num layers | Num parameters |
|------------------------------|----|----------|
| [evo2_40b](https://huggingface.co/facebook/esm2_t48_15B_UR50D) | 50 | 40B |
| [evo2_7b](https://huggingface.co/facebook/esm2_t36_3B_UR50D) | 32 | 7B  | 

For advanced users, we also share the base models trained on 8192 context length, as well as a 1B checkpoint:
| Checkpoint name | Num layers | Num parameters |
|------------------------------|----|----------|
| [evo2_40b_base](https://huggingface.co/facebook/esm2_t48_15B_UR50D) | 50 | 40B |
| [evo2_7b_base](https://huggingface.co/facebook/esm2_t36_3B_UR50D) | 32 | 7B  | 
| [evo2_1b_base](https://huggingface.co/facebook/esm2_t36_3B_UR50D) | 25 | 1B  |