Model Comparison

Gemini Diffusion vs GLM-4.5-Air

GLM-4.5-Air significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini Diffusion outperforms in 0 benchmarks, while GLM-4.5-Air is better at 3 benchmarks (GPQA, LiveCodeBench, SWE-Bench Verified).

GLM-4.5-Air significantly outperforms across most benchmarks.

Tue Apr 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Apr 21 2026 • llm-stats.com
Google
Gemini Diffusion
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Zhipu AI
GLM-4.5-Air
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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License

Usage and distribution terms

Gemini Diffusion is licensed under a proprietary license, while GLM-4.5-Air uses MIT.

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

Gemini Diffusion

Proprietary

Closed source

GLM-4.5-Air

MIT

Open weights

Release Timeline

When each model was launched

Gemini Diffusion was released on 2025-05-20, while GLM-4.5-Air was released on 2025-07-28.

GLM-4.5-Air is 2 months newer than Gemini Diffusion.

Gemini Diffusion

May 20, 2025

11 months ago

GLM-4.5-Air

Jul 28, 2025

8 months ago

2mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

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Key Takeaways

Google
Zhipu AI
Has open weights
Higher GPQA score (75.0% vs 40.4%)
Higher LiveCodeBench score (70.7% vs 30.9%)
Higher SWE-Bench Verified score (57.6% vs 22.9%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini Diffusion
Zhipu AI
GLM-4.5-Air

FAQ

Common questions about Gemini Diffusion vs GLM-4.5-Air

GLM-4.5-Air significantly outperforms across most benchmarks. Gemini Diffusion is made by Google and GLM-4.5-Air is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini Diffusion scores HumanEval: 89.6%, MBPP: 76.0%, Global-MMLU-Lite: 69.1%, LBPP (v2): 56.8%, BigCodeBench: 45.4%. GLM-4.5-Air scores MATH-500: 98.1%, AIME 2024: 89.4%, MMLU-Pro: 81.4%, TAU-bench Retail: 77.9%, BFCL-v3: 76.4%.
Key differences include licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
Gemini Diffusion is developed by Google and GLM-4.5-Air is developed by Zhipu AI.