Compare / Gemma 4 31B vs Qwen3-Coder 30B-A3B

Gemma 4 31B vs Qwen3-Coder 30B-A3B

Updated November 2026

Verdict

Gemma 4 31B scores higher on the Small LM Index: 66.2 vs 34.9. On the 9 benchmarks both labs report, Gemma 4 31B wins 9 and Qwen3-Coder 30B-A3B wins 0. Both need about 21.9 GB of memory at 4-bit quantization. Qwen3-Coder 30B-A3B is cheaper through an API: $0.12 per million tokens against $0.16.

Pick Gemma 4 31B if…

  • you want the strongest model overall
  • you mostly write code
  • you need math and reasoning
  • you need precise instruction following
  • you build agents that call tools
  • you need image input
  • you want the more widely used model (more quantized builds and community support)

Pick Qwen3-Coder 30B-A3B if…

  • API cost matters most
  • you work with long documents

Specifications

Gemma 4 31BQwen3-Coder 30B-A3B
Small LM Index66.2 (likely 64–68)34.9 (likely 32–38)
LabGoogle · United StatesAlibaba (Qwen) · China
Released2026-04-022025-07-31
Parameters30.7B (dense)30.5B (3.3B active, MoE)
Memory at 4-bit~21.9 GB~20.4 GB
Context window256K tokens262K tokens
Inputtext, imagetext
ReasoningHybrid (thinking on/off)No thinking
LicenseApache-2.0Apache-2.0
API price / 1M tokens$0.16 ($0.10 in, $0.34 out)$0.12 ($0.070 in, $0.28 out)
Hugging Face downloads (30 days)7.8M1.3M

Benchmarks

Higher is better. Bold marks the winner where both labs report a score. ≈ marks the index model's estimate for a score that wasn't reported, ✓ an independent measurement and * a score measured by another lab.

BenchmarkGemma 4 31BQwen3-Coder 30B-A3B
MMLU-Pro Knowledge85.270.6✓
GPQA Diamond Knowledge85.7✓51.6✓
Humanity's Last Exam Reasoning23.6✓3.8✓
AIME Math89.229.7✓
LiveCodeBench Coding80.040.3✓
SWE-bench Verified Coding52.0*51.6
Terminal-Bench Agentic42.9*—
τ²-Bench Agentic59.9✓34.5✓
IFBench Instruction following75.6✓32.7✓
MMMU-Pro Vision76.9—
MATH-500 Math—89.3✓
AA-LCR Long context69.7✓32.7✓
SciCode Coding45.5✓—

Scores are mostly reported by each lab with its own settings, so small gaps are noise. See the methodology. Open in the interactive comparison to add more models.

Questions

Which is better, Gemma 4 31B or Qwen3-Coder 30B-A3B?

Gemma 4 31B scores higher on the Small LM Index: 66.2 vs 34.9. On the 9 benchmarks both labs report, Gemma 4 31B wins 9 and Qwen3-Coder 30B-A3B wins 0.

Which is cheaper to run?

Qwen3-Coder 30B-A3B is cheaper through an API: $0.12 per million tokens against $0.16. Both need about 21.9 GB of memory at 4-bit quantization.

Which has the longer context window?

Qwen3-Coder 30B-A3B has the longer context window: 262K tokens against 256K.

Can I use Gemma 4 31B and Qwen3-Coder 30B-A3B commercially?

Both are released under the Apache-2.0 license. Apache 2.0 and MIT allow commercial use; other licenses can add conditions, so read the license before shipping a product.

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