What is the context window of AFM 4.5B?

AFM 4.5B has a context window of 65536 tokens.

When was AFM 4.5B released?

AFM 4.5B was released on 2025-07-29.

AFM 4.5B

Name: AFM 4.5B
Author: Arcee AI

Open Source

About

Arcee Foundation Model 4.5B — a dense 4.5B parameter model and proof-of-concept for the Trinity MoE series. Trained on 8T tokens. Extended to 64K context (from original 32K) in a subsequent update. Full open-source release July 2025 under Apache 2.0. Note: previously mislabeled as 'Trinity 4.5B' in some databases; it is a separate model family from the Trinity MoE line.