Model Comparison

GLM-4.5 vs Grok-3 MiniWhich is better in 2026?

Grok-3 Mini significantly outperforms across most benchmarks. Grok-3 Mini is 2.0x cheaper per token.

Verdict: GLM-4.5 vs Grok-3 Mini — which is better?

GLM-4.5 (by Zhipu AI) and Grok-3 Mini (by xAI) 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.

GLM-4.5 outperforms in 0 benchmarks, while Grok-3 Mini is better at 3 benchmarks (AIME 2024, GPQA, LiveCodeBench). Grok-3 Mini significantly outperforms across most benchmarks.

On price, Grok-3 Mini is roughly 2.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GLM-4.5 also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.

Choose GLM-4.5 if…

  • you process long inputs — it offers a 131,072 token context window
  • you want the most recent training data — it shipped Jul 2025
  • you need open weights you can self-host or fine-tune

Choose Grok-3 Mini if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • cost matters — it's about 2.0x cheaper per token
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GLM-4.5 outperforms in 0 benchmarks, while Grok-3 Mini is better at 3 benchmarks (AIME 2024, GPQA, LiveCodeBench).

Grok-3 Mini significantly outperforms across most benchmarks.

Sun Jun 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-3 Mini costs less

For input processing, GLM-4.5 ($0.40/1M tokens) is 1.3x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, GLM-4.5 ($1.60/1M tokens) is 3.2x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, GLM-4.5 is more expensive than Grok-3 Mini.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Jun 14 2026 • llm-stats.com
Zhipu AI
GLM-4.5
Input tokens$0.40
Output tokens$1.60
Best providerDeepinfra
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GLM-4.5 accepts 131,072 input tokens compared to Grok-3 Mini's 128,000 tokens. GLM-4.5 can generate longer responses up to 131,072 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Zhipu AI
GLM-4.5
Input131,072 tokens
Output131,072 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Sun Jun 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-3 Mini supports multimodal inputs, whereas GLM-4.5 does not.

Grok-3 Mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-4.5

Text
Images
Audio
Video

Grok-3 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

GLM-4.5 is licensed under MIT, while Grok-3 Mini uses a proprietary license.

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

GLM-4.5

MIT

Open weights

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-4.5 was released on 2025-07-28, while Grok-3 Mini was released on 2025-02-17.

GLM-4.5 is 5 months newer than Grok-3 Mini.

GLM-4.5

Jul 28, 2025

10 months ago

5mo newer
Grok-3 Mini

Feb 17, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while GLM-4.5's cutoff date is not specified.

We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without GLM-4.5's cutoff date.

GLM-4.5

—

Grok-3 Mini

Nov 2024

Provider Availability

GLM-4.5 is available from DeepInfra, Fireworks, Novita. Grok-3 Mini is available from xAI.

GLM-4.5

deepinfra logo
Deepinfra
Input Price:Input: $0.40/1MOutput Price:Output: $1.60/1M
fireworks logo
Fireworks
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $2.20/1M

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Zhipu AI
Larger context window (131,072 tokens)
Has open weights
xAI
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher AIME 2024 score (95.8% vs 91.0%)
Higher GPQA score (84.0% vs 79.1%)
Higher LiveCodeBench score (80.4% vs 72.9%)
Zhipu AIGLM-4.5
xAIGrok-3 Mini
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Zhipu AI
GLM-4.5
xAI
Grok-3 Mini

FAQ

Common questions about GLM-4.5 vs Grok-3 Mini.

Which is better, GLM-4.5 or Grok-3 Mini?

Grok-3 Mini significantly outperforms across most benchmarks. GLM-4.5 is made by Zhipu AI and Grok-3 Mini is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GLM-4.5 compare to Grok-3 Mini in benchmarks?

GLM-4.5 scores MATH-500: 98.2%, AIME 2024: 91.0%, MMLU-Pro: 84.6%, TAU-bench Retail: 79.7%, GPQA: 79.1%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is GLM-4.5 cheaper than Grok-3 Mini?

Grok-3 Mini is 1.3x cheaper for input tokens. GLM-4.5 costs $0.40/M input and $1.60/M output via deepinfra. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for GLM-4.5 and Grok-3 Mini?

GLM-4.5 supports 131K tokens and Grok-3 Mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-4.5 and Grok-3 Mini?

Key differences include context window (131K vs 128K), input pricing ($0.40 vs $0.30/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-4.5 and Grok-3 Mini?

GLM-4.5 is developed by Zhipu AI and Grok-3 Mini is developed by xAI.

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