Hermes 4 405B vs Hermes 4 70B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Hermes 4 405B | Hermes 4 70B | |
|---|---|---|
| Parameters | 405.9B | 70B |
| Context | 131K | 131K |
| Architecture | LlamaForCausalLM | LlamaForCausalLM |
| License | Llama 3 Community | Llama 3 Community |
| Downloads | 546 | 321 |
| Released | Sep 2025 | Sep 2025 |
VRAM by Quantization: Hermes 4 405B vs Hermes 4 70B
| Quantization | Bits | Hermes 4 405B VRAM | Hermes 4 70B VRAM |
|---|---|---|---|
| BF16 | 16.00 | 813.1 GB | 141.0 GB |
Verdict
Hermes 4 70B needs less VRAM at BF16 (141.0 GB vs 813.1 GB), so it fits on smaller GPUs. Hermes 4 405B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Hermes 4 405B or Hermes 4 70B?
At BF16, Hermes 4 405B needs 813.1 GB and Hermes 4 70B needs 141.0 GB, so Hermes 4 70B is the lighter option to run locally.
- Which has a longer context window, Hermes 4 405B or Hermes 4 70B?
Hermes 4 405B supports 131,072 tokens and Hermes 4 70B supports 131,072 tokens.
- What is the difference between Hermes 4 405B and Hermes 4 70B?
Hermes 4 405B is a 405.9B model from Nous Research (Hermes family), while Hermes 4 70B is a 70B model from Nous Research (Hermes family). Compare their VRAM requirements above to see which fits your GPU or Mac.