Dolphin 2.9 Llama3 8B vs Llama 3.1 Nemotron 8B UltraLong 4M Instruct
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Dolphin 2.9 Llama3 8B | Llama 3.1 Nemotron 8B UltraLong 4M Instruct | |
|---|---|---|
| Parameters | 8B | 8.0B |
| Context | 8K | 4293K |
| Architecture | LlamaForCausalLM | LlamaForCausalLM |
| License | Other | CC BY-NC 4.0 |
| Downloads | 13.1K | 404 |
| Released | Jan 2026 | Apr 2025 |
VRAM by Quantization: Dolphin 2.9 Llama3 8B vs Llama 3.1 Nemotron 8B UltraLong 4M Instruct
| Quantization | Bits | Dolphin 2.9 Llama3 8B VRAM | Llama 3.1 Nemotron 8B UltraLong 4M Instruct VRAM |
|---|---|---|---|
| BF16 | 16.00 | 16.6 GB | 16.6 GB |
Verdict
Dolphin 2.9 Llama3 8B needs less VRAM at BF16 (16.6 GB vs 16.6 GB), so it fits on smaller GPUs. Llama 3.1 Nemotron 8B UltraLong 4M Instruct supports a longer context window (4293K tokens). Dolphin 2.9 Llama3 8B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Dolphin 2.9 Llama3 8B or Llama 3.1 Nemotron 8B UltraLong 4M Instruct?
At BF16, Dolphin 2.9 Llama3 8B needs 16.6 GB and Llama 3.1 Nemotron 8B UltraLong 4M Instruct needs 16.6 GB, so Dolphin 2.9 Llama3 8B is the lighter option to run locally.
- Which has a longer context window, Dolphin 2.9 Llama3 8B or Llama 3.1 Nemotron 8B UltraLong 4M Instruct?
Dolphin 2.9 Llama3 8B supports 8,192 tokens and Llama 3.1 Nemotron 8B UltraLong 4M Instruct supports 4,292,608 tokens.
- What is the difference between Dolphin 2.9 Llama3 8B and Llama 3.1 Nemotron 8B UltraLong 4M Instruct?
Dolphin 2.9 Llama3 8B is a 8B model from dphn (Llama 3 family), while Llama 3.1 Nemotron 8B UltraLong 4M Instruct is a 8.0B model from NVIDIA (Llama 3 family). Compare their VRAM requirements above to see which fits your GPU or Mac.