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Arcee AI: AFM 4.5B

arcee-ai/afm-4.5b

Model weights

AFM-4.5B is a 4.5 billion parameter instruction-tuned language model developed by Arcee AI. The model was pretrained on approximately 8 trillion tokens, including 6.5 trillion tokens of general data and 1.5 trillion tokens with an emphasis on mathematical reasoning and code generation.

Modalities

Context

66K

Released

Sep 16, 2025

Knowledge Cutoff

Mar 2025