ANARCII

Language-model successor to ANARCI for immune receptor numbering.

OPIG, University of Oxford

What it does

Language-model antibody/TCR numbering. Input: immune receptor sequences; output: numbered sequences with CDR annotation, handling unusual, truncated and non-human sequences where HMM-based ANARCI fails.

Commercial use

Commercial use OK

Licence as writtenBSD 3-Clause License

LICENCE file reported by the GitHub license API as BSD-3-Clause; permissive.

The licence read at the source allows use by a company. Attribution or copyleft conditions may still apply — read the note.

Is commercial use free of charge?

Free for commercial use

Nothing to pay: the licence read at the source grants commercial use with no fee, and the code and weights are public downloads. You still pay for your own compute.

Proof — pages read on 15 Oct 2026
  1. raw.githubusercontent.com/oxpig/ANARCII/main/LICENCE

Price and rights are separate: this panel is about money, the panel above is about permission.

When to use it

Use when ANARCI's HMM approach fails, e.g. unusual species, nanobodies or noisy sequences. Newer and less battle-tested than ANARCI.

Facts

Maker
OPIG, University of Oxford
Cost for commercial use
Free for commercial use
Compute
CPU
Open weights
Yes
Licence
BSD 3-Clause License
Official site / repo
github.com/oxpig/ANARCII
Last verified