Gemini 2.5 Pro vs GLM-4.6 Comparison
Comparing Gemini 2.5 Pro and GLM-4.6 across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Pro outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while GLM-4.6 is better at 2 benchmarks (AIME 2025, SWE-Bench Verified).
Both models are evenly matched across the benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Pro ($1.25/1M tokens) is 2.3x more expensive than GLM-4.6 ($0.55/1M tokens).
For output processing, Gemini 2.5 Pro ($10.00/1M tokens) is 5.0x more expensive than GLM-4.6 ($2.00/1M tokens).
In conclusion, Gemini 2.5 Pro is more expensive than GLM-4.6.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 2.5 Pro accepts 1,048,576 input tokens compared to GLM-4.6's 131,072 tokens. GLM-4.6 can generate longer responses up to 131,072 tokens, while Gemini 2.5 Pro is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 2.5 Pro and GLM-4.6 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Pro
GLM-4.6
License
Usage and distribution terms
Gemini 2.5 Pro is licensed under a proprietary license, while GLM-4.6 uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Gemini 2.5 Pro was released on 2025-05-20, while GLM-4.6 was released on 2025-09-30.
GLM-4.6 is 4 months newer than Gemini 2.5 Pro.
May 20, 2025
9 months ago
Sep 30, 2025
5 months ago
4mo newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro has a documented knowledge cutoff of 2025-01-31, while GLM-4.6's cutoff date is not specified.
We can confirm Gemini 2.5 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without GLM-4.6's cutoff date.
Jan 2025
—
Provider Availability
Gemini 2.5 Pro is available from Google. GLM-4.6 is available from Fireworks, DeepInfra. The availability of providers can affect quality of the model and reliability.
Gemini 2.5 Pro
GLM-4.6
Outputs Comparison
Key Takeaways
GLM-4.6
View detailsZhipu AI
Detailed Comparison
| Feature |
|---|