Gemma 4 26B (MoE) vs Gemma 4 31B

Side-by-side VRAM requirements, benchmark scores, and GPU compatibility for local AI inference.

Quick verdict

Gemma 4 26B (MoE) is more hardware-efficient: it needs 17.6 GB at its Q4_K_M build vs 22.6 GB for Gemma 4 31B's Q4_K_M, fitting on 91 GPUs natively. Gemma 4 26B (MoE) is a Mixture of Experts model: it has 25.2B total parameters but only 3.8B are active per token, making inference faster than its total size suggests.

VRAM at each quantization (8k context)

FP32
Gemma 4 26B (MoE)
113.3 GB
Gemma 4 31B
139.2 GB
BF16
Gemma 4 26B (MoE)
56.9 GB
Gemma 4 31B
70.5 GB
FP16
Gemma 4 26B (MoE)
56.9 GB
Gemma 4 31B
70.5 GB
Q8_0
Gemma 4 26B (MoE)
30.4 GB
Gemma 4 31B
38.2 GB
Q6_K
Gemma 4 26B (MoE)
23.6 GB
Gemma 4 31B
29.9 GB
Q5_K_M
Gemma 4 26B (MoE)
20.5 GB
Gemma 4 31B
26.2 GB
Q4_K_M
Gemma 4 26B (MoE)
17.6 GB
Gemma 4 31B
22.6 GB
Q3_K_M
Gemma 4 26B (MoE)
14.0 GB
Gemma 4 31B
18.2 GB
Q2_K
Gemma 4 26B (MoE)
11.2 GB
Gemma 4 31B
14.8 GB
NVFP4
Gemma 4 26B (MoE)
14.5 GB
Gemma 4 31B
18.9 GB
QuantGemma 4 26B (MoE)Gemma 4 31BDiff
FP32113.3 GB139.2 GB-19%
BF1656.9 GB70.5 GB-19%
FP1656.9 GB70.5 GB-19%
Q8_030.4 GB38.2 GB-20%
Q6_K23.6 GB29.9 GB-21%
Q5_K_M20.5 GB26.2 GB-22%
Q4_K_M17.6 GB22.6 GB-22%
Q3_K_M14.0 GB18.2 GB-23%
Q2_K11.2 GB14.8 GB-24%
NVFP414.5 GB18.9 GB-23%

Diff is Gemma 4 26B (MoE) relative to Gemma 4 31B. Green = lower VRAM (fits more GPUs).

Model specifications

SpecGemma 4 26B (MoE)Gemma 4 31B
OrgGoogleGoogle
Parameters25.2B30.7B
ArchitectureMoE (3.8B active)Dense
Context256k tokens256k tokens
Modalitiestext, visiontext, vision
LicenseApache 2.0Apache 2.0
CommercialYesYes
Released2026-04-022026-04-02
GPUs (native)91 / 11984 / 119

Benchmark scores

BenchmarkGemma 4 26B (MoE)Gemma 4 31B
MMLU-Pro82.685.2
GPQA Diamond82.384.3
LiveCodeBench77.180.0

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 Gemma 4 26B (MoE)(7)

GPUs that run only Gemma 4 31B(0)

Every GPU that runs Gemma 4 31B also runs Gemma 4 26B (MoE).

GPUs that run both natively(84)

Which should you use?

Choose Gemma 4 26B (MoE) if:
  • You have limited VRAM: it's a smaller model needing 17.6 GB vs 22.6 GB
  • You want fast inference: MoE only activates 3.8B params per token
Choose Gemma 4 31B if:
  • You want maximum capability and have a 23 GB+ GPU
  • Benchmark quality matters: scores 85.2 vs 82.6 on MMLU-Pro
  • You're running coding tasks
  • You need chain-of-thought reasoning

Frequently asked questions

Which is better, Gemma 4 26B (MoE) or Gemma 4 31B?
Gemma 4 26B (MoE) has 25.2B parameters vs 30.7B for Gemma 4 31B, so Gemma 4 31B is the larger model. Gemma 4 26B (MoE) is more hardware-efficient, needing 17.6 GB at its Q4_K_M build vs 22.6 GB for Gemma 4 31B's Q4_K_M. Gemma 4 26B (MoE) runs on more GPUs natively (91 vs 84). On MMLU-Pro, Gemma 4 31B scores higher (85.2 vs 82.6).
How much VRAM does Gemma 4 26B (MoE) need vs Gemma 4 31B?
At 8k context, Gemma 4 26B (MoE) needs approximately 17.6 GB of VRAM at its Q4_K_M build, while Gemma 4 31B needs 22.6 GB at its Q4_K_M build. At the largest build each ships, Gemma 4 26B (MoE) requires 56.9 GB (FP16) vs 70.5 GB (FP16) for Gemma 4 31B.
Can you run Gemma 4 26B (MoE) on the same GPUs as Gemma 4 31B?
Yes, 84 GPUs can run both natively in VRAM, including NVIDIA RTX 5090, NVIDIA RTX 5080, NVIDIA RTX 5070 Ti. However, 7 GPUs can run Gemma 4 26B (MoE) but not Gemma 4 31B, and no GPU can run Gemma 4 31B without also fitting Gemma 4 26B (MoE).
What is the difference between Gemma 4 26B (MoE) and Gemma 4 31B?
Gemma 4 26B (MoE) has 25.2B parameters (3.8B active, MoE) with a 256k context window. Gemma 4 31B has 30.7B parameters (dense) with a 256k context window.
Which model fits in 24 GB of VRAM, Gemma 4 26B (MoE) or Gemma 4 31B?
Both fit in 24 GB of VRAM at their respective recommended builds: Gemma 4 26B (MoE) (Q4_K_M) needs 17.6 GB and Gemma 4 31B (Q4_K_M) needs 22.6 GB.
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