AFM 4.5B vs GritLM 7B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| AFM 4.5B | GritLM 7B | |
|---|---|---|
| Parameters | 4.6B | 7.2B |
| Context | 66K | 33K |
| Architecture | ArceeForCausalLM | MistralForCausalLM |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 1.5K | 9.8K |
| Released | Sep 2025 | Mar 2026 |
VRAM by Quantization: AFM 4.5B vs GritLM 7B
| Quantization | Bits | AFM 4.5B VRAM | GritLM 7B VRAM |
|---|---|---|---|
| BF16 | 16.00 | 9.7 GB | 15.1 GB |
Verdict
AFM 4.5B needs less VRAM at BF16 (9.7 GB vs 15.1 GB), so it fits on smaller GPUs. AFM 4.5B supports a longer context window (66K tokens). GritLM 7B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, AFM 4.5B or GritLM 7B?
At BF16, AFM 4.5B needs 9.7 GB and GritLM 7B needs 15.1 GB, so AFM 4.5B is the lighter option to run locally.
- Which has a longer context window, AFM 4.5B or GritLM 7B?
AFM 4.5B supports 65,536 tokens and GritLM 7B supports 32,768 tokens.
- What is the difference between AFM 4.5B and GritLM 7B?
AFM 4.5B is a 4.6B model from Arcee AI, while GritLM 7B is a 7.2B model from GritLM. Compare their VRAM requirements above to see which fits your GPU or Mac.