Model Comparison

Gemma 4 12B vs GLM-5.1Which is better in 2026?

GLM-5.1 significantly outperforms across most benchmarks.

Verdict: Gemma 4 12B vs GLM-5.1 — which is better?

Gemma 4 12B (by Google) and GLM-5.1 (by Zhipu AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Gemma 4 12B outperforms in 0 benchmarks, while GLM-5.1 is better at 3 benchmarks (AIME 2026, GPQA, Humanity's Last Exam). GLM-5.1 significantly outperforms across most benchmarks.

Choose Gemma 4 12B if…

  • you want the most recent training data — it shipped May 2026

Choose GLM-5.1 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemma 4 12B outperforms in 0 benchmarks, while GLM-5.1 is better at 3 benchmarks (AIME 2026, GPQA, Humanity's Last Exam).

GLM-5.1 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

742.0B diff

GLM-5.1 has 742.0B more parameters than Gemma 4 12B, making it 6204.5% larger.

Google
Gemma 4 12B
12.0Bparameters
Zhipu AI
GLM-5.1
754.0Bparameters
12.0B
Gemma 4 12B
754.0B
GLM-5.1

Context Window

Maximum input and output token capacity

Only GLM-5.1 specifies input context (200,000 tokens). Only GLM-5.1 specifies output context (128,000 tokens).

Google
Gemma 4 12B
Input- tokens
Output- tokens
Zhipu AI
GLM-5.1
Input200,000 tokens
Output128,000 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemma 4 12B supports multimodal inputs, whereas GLM-5.1 does not.

Gemma 4 12B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 4 12B

Text
Images
Audio
Video

GLM-5.1

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 4 12B is licensed under Apache 2.0, while GLM-5.1 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Gemma 4 12B

Apache 2.0

Open weights

GLM-5.1

MIT

Open weights

Release Timeline

When each model was launched

Gemma 4 12B was released on 2026-05-23, while GLM-5.1 was released on 2026-04-07.

Gemma 4 12B is 2 months newer than GLM-5.1.

Gemma 4 12B

May 23, 2026

1 months ago

1mo newer
GLM-5.1

Apr 7, 2026

3 months ago

Knowledge Cutoff

When training data ends

Gemma 4 12B has a documented knowledge cutoff of 2025-01-01, while GLM-5.1's cutoff date is not specified.

We can confirm Gemma 4 12B's training data extends to 2025-01-01, but cannot make a direct comparison without GLM-5.1's cutoff date.

Gemma 4 12B

Jan 2025

GLM-5.1

—

Outputs Comparison

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Key Takeaways

Google
Supports multimodal inputs
Zhipu AI
Larger context window (200,000 tokens)
Higher AIME 2026 score (95.3% vs 77.5%)
Higher GPQA score (86.2% vs 78.8%)
Higher Humanity's Last Exam score (52.3% vs 5.2%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 4 12B and GLM-5.1 side-by-side, then vote on the output you prefer.

Gemma 4 12B
✓ Preferred
GLM-5.1
Open in Playground
AI Model Comparison Table
Feature
Google
Gemma 4 12B
Zhipu AI
GLM-5.1

FAQ

Common questions about Gemma 4 12B vs GLM-5.1.

Which is better, Gemma 4 12B or GLM-5.1?

GLM-5.1 significantly outperforms across most benchmarks. Gemma 4 12B is made by Google and GLM-5.1 is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 4 12B compare to GLM-5.1 in benchmarks?

Gemma 4 12B scores FLEURS: 93.1%, MMMLU: 83.4%, MathVision: 79.7%, GPQA: 78.8%, AIME 2026: 77.5%. GLM-5.1 scores Vending-Bench 2: 100.0%, AIME 2026: 95.3%, HMMT 2025: 94.0%, GPQA: 86.2%, IMO-AnswerBench: 83.8%.

What are the context window sizes for Gemma 4 12B and GLM-5.1?

Gemma 4 12B supports an unknown number of tokens and GLM-5.1 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 4 12B and GLM-5.1?

Key differences include multimodal support (yes vs no), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 4 12B and GLM-5.1?

Gemma 4 12B is developed by Google and GLM-5.1 is developed by Zhipu AI.

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