# Third-party notices

**ESMC-LI** is MIT-licensed (see `LICENSE`). It depends on separate
components with their own terms.

## ESM-C 300M weights and derivatives

Built with ESM.

The ESMC 300M Model is licensed under the EvolutionaryScale Cambrian Open
License Agreement.
Copyright (c) EvolutionaryScale, PBC. All rights reserved.
https://www.evolutionaryscale.ai/policies/cambrian-open-license-agreement

A copy of the Agreement is included in `CAMBRIAN-OPEN-LICENSE.md`.

The GGUF weight files are Derivative Works of the ESM-C 300M Open Model:
https://huggingface.co/EvolutionaryScale/esmc-300m-2024-12

Modification notice: the GGUF files were converted from the original
safetensors checkpoint into GGUF format; the quantized variants were
block-quantized with ggml. Architecture and trained weight values are otherwise
unchanged from the upstream release.

Use is subject to the EvolutionaryScale Acceptable Use Policy:
https://www.evolutionaryscale.ai/policies/acceptable-use-policy

## esmc.cpp

The inference runtime is MIT-licensed, Copyright (c) 2026 esmc.cpp
contributors. See https://github.com/AnanyaP-WDW/esmc.cpp and its `LICENSE` /
`NOTICE`. The packaged `libesmc` and `libggml` binaries are built from that
project. Built with ESM.

## ggml / llama.cpp

The `ggml` runtime is MIT-licensed, Copyright (c) 2023-2026 The ggml authors.
See the upstream project's `LICENSE`.

## ProtoCol

The ProtoCol code is used only for the reproduced baseline; it is not
redistributed in the wheel. See https://github.com/gabriellecohn/ProtoCol.
