Llama 4 Maverick 400B vs DeepSeek V3 671B
Side-by-side VRAM requirements, benchmark scores, and GPU compatibility for local AI inference.
Quick verdict
Llama 4 Maverick 400B is more hardware-efficient: it needs 277.3 GB at its Q4_K_M build vs 458.3 GB for DeepSeek V3 671B's Q4_K_M, fitting on 7 GPUs natively.
VRAM at each quantization (8k context)
FP32
Llama 4 Maverick 400B
1796.5 GB
DeepSeek V3 671B
3006.7 GB
BF16
Llama 4 Maverick 400B
900.5 GB
DeepSeek V3 671B
1503.6 GB
FP16
Llama 4 Maverick 400B
900.5 GB
DeepSeek V3 671B
1503.6 GB
Q8_0
Llama 4 Maverick 400B
480.7 GB
DeepSeek V3 671B
799.4 GB
Q6_K
Llama 4 Maverick 400B
372.3 GB
DeepSeek V3 671B
617.6 GB
Q5_K_M
Llama 4 Maverick 400B
323.5 GB
DeepSeek V3 671B
535.7 GB
Q4_K_M
Llama 4 Maverick 400B
277.3 GB
DeepSeek V3 671B
458.3 GB
Q3_K_M
Llama 4 Maverick 400B
220.0 GB
DeepSeek V3 671B
362.1 GB
Q2_K
Llama 4 Maverick 400B
175.2 GB
DeepSeek V3 671B
286.9 GB
NVFP4
Llama 4 Maverick 400B
228.5 GB
DeepSeek V3 671B
376.3 GB
| Quant | Llama 4 Maverick 400B | DeepSeek V3 671B | Diff |
|---|---|---|---|
| FP32 | 1796.5 GB | 3006.7 GB | -40% |
| BF16 | 900.5 GB | 1503.6 GB | -40% |
| FP16 | 900.5 GB | 1503.6 GB | -40% |
| Q8_0 | 480.7 GB | 799.4 GB | -40% |
| Q6_K | 372.3 GB | 617.6 GB | -40% |
| Q5_K_M | 323.5 GB | 535.7 GB | -40% |
| Q4_K_M | 277.3 GB | 458.3 GB | -39% |
| Q3_K_M | 220.0 GB | 362.1 GB | -39% |
| Q2_K | 175.2 GB | 286.9 GB | -39% |
| NVFP4 | 228.5 GB | 376.3 GB | -39% |
Diff is Llama 4 Maverick 400B relative to DeepSeek V3 671B. Green = lower VRAM (fits more GPUs).
Model specifications
| Spec | Llama 4 Maverick 400B | DeepSeek V3 671B |
|---|---|---|
| Org | Meta | DeepSeek |
| Parameters | 400B | 671B |
| Architecture | MoE (17B active) | MoE (37B active) |
| Context | 977k tokens | 125k tokens |
| Modalities | text, vision | text |
| License | Llama 4 Community | MIT |
| Commercial | Yes | Yes |
| Released | 2025-04-05 | 2024-12-27 |
| GPUs (native) | 7 / 119 | 2 / 119 |
Benchmark scores
| Benchmark | Llama 4 Maverick 400B | DeepSeek V3 671B |
|---|---|---|
| MMLU-Pro | 80.5 | 75.9 |
| GPQA Diamond | 69.8 | 59.1 |
| LiveCodeBench | 43.4 | 40.5 |
Green = higher score (better). N/A = not yet available. ~ = inherited from a base model, not independently reported for that release itself.
GPUs that run only Llama 4 Maverick 400B(5)
- NVIDIA B300 288GB288 GB
- AMD Instinct MI300X192 GB
- Apple M5 Ultra (256GB)256 GB
- Apple M3 Ultra (256GB)256 GB
- Apple M2 Ultra (192GB)192 GB
GPUs that run only DeepSeek V3 671B(0)
Every GPU that runs DeepSeek V3 671B also runs Llama 4 Maverick 400B.
GPUs that run both natively(2)
- Apple M5 Ultra (512GB)512 GB
- Apple M3 Ultra (512GB)512 GB
Which should you use?
Choose Llama 4 Maverick 400B if:
- • You have limited VRAM: it's a smaller model needing 277.3 GB vs 458.3 GB
- • Long context matters: it supports 977k tokens vs 125k
- • Benchmark quality matters: scores 80.5 vs 75.9 on MMLU-Pro
- • You need vision/image understanding
- • It's the newer release (2025-04-05 vs 2024-12-27); check the benchmark table above for what actually improved
Choose DeepSeek V3 671B if:
- • You want maximum capability and have a 459 GB+ GPU
Frequently asked questions
- Which is better, Llama 4 Maverick 400B or DeepSeek V3 671B?
- Llama 4 Maverick 400B has 400B parameters vs 671B for DeepSeek V3 671B, so DeepSeek V3 671B is the larger model. Llama 4 Maverick 400B is more hardware-efficient, needing 277.3 GB at its Q4_K_M build vs 458.3 GB for DeepSeek V3 671B's Q4_K_M. Llama 4 Maverick 400B runs on more GPUs natively (7 vs 2). On MMLU-Pro, Llama 4 Maverick 400B scores higher (80.5 vs 75.9).
- How much VRAM does Llama 4 Maverick 400B need vs DeepSeek V3 671B?
- At 8k context, Llama 4 Maverick 400B needs approximately 277.3 GB of VRAM at its Q4_K_M build, while DeepSeek V3 671B needs 458.3 GB at its Q4_K_M build. At the largest build each ships, Llama 4 Maverick 400B requires 900.5 GB (FP16) vs 1503.6 GB (FP16) for DeepSeek V3 671B.
- Can you run Llama 4 Maverick 400B on the same GPUs as DeepSeek V3 671B?
- Yes, 2 GPUs can run both natively in VRAM, including Apple M5 Ultra (512GB), Apple M3 Ultra (512GB). However, 5 GPUs can run Llama 4 Maverick 400B but not DeepSeek V3 671B, and no GPU can run DeepSeek V3 671B without also fitting Llama 4 Maverick 400B.
- What is the difference between Llama 4 Maverick 400B and DeepSeek V3 671B?
- Llama 4 Maverick 400B has 400B parameters (17B active, MoE) with a 977k context window. DeepSeek V3 671B has 671B parameters (37B active, MoE) with a 125k context window. Licensing differs: Llama 4 Maverick 400B is Llama 4 Community while DeepSeek V3 671B is MIT.
- Which model fits in 24 GB of VRAM, Llama 4 Maverick 400B or DeepSeek V3 671B?
- Neither fits in 24 GB: Llama 4 Maverick 400B needs 277.3 GB at Q4_K_M and DeepSeek V3 671B needs 458.3 GB at Q4_K_M. Both require a multi-GPU server with 459 GB+ of combined VRAM.