Model Comparison
GLM-4.6 vs DeepSeek-V3.1
GLM-4.6 significantly outperforms across most benchmarks. DeepSeek-V3.1 is 2.0x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
GLM-4.6 outperforms in 6 benchmarks (AIME 2025, BrowseComp, GPQA, Humanity's Last Exam, SWE-Bench Verified, Terminal-Bench), while DeepSeek-V3.1 is better at 0 benchmarks.
GLM-4.6 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GLM-4.6 ($0.55/1M tokens) is 2.0x more expensive than DeepSeek-V3.1 ($0.27/1M tokens).
For output processing, GLM-4.6 ($2.00/1M tokens) is 2.0x more expensive than DeepSeek-V3.1 ($1.00/1M tokens).
In conclusion, GLM-4.6 is more expensive than DeepSeek-V3.1.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-V3.1 has 314.0B more parameters than GLM-4.6, making it 88.0% larger.
Context Window
Maximum input and output token capacity
DeepSeek-V3.1 accepts 163,840 input tokens compared to GLM-4.6's 131,072 tokens. DeepSeek-V3.1 can generate longer responses up to 163,840 tokens, while GLM-4.6 is limited to 131,072 tokens.
Input Capabilities
Supported data types and modalities
GLM-4.6 supports multimodal inputs, whereas DeepSeek-V3.1 does not.
GLM-4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GLM-4.6
DeepSeek-V3.1
License
Usage and distribution terms
Both models are licensed under MIT.
Both models share the same licensing terms, providing consistent usage rights.
MIT
Open weights
MIT
Open weights
Release Timeline
When each model was launched
GLM-4.6 was released on 2025-09-30, while DeepSeek-V3.1 was released on 2025-01-10.
GLM-4.6 is 9 months newer than DeepSeek-V3.1.
Sep 30, 2025
6 months ago
8mo newerJan 10, 2025
1.3 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GLM-4.6 is available from Fireworks, DeepInfra. DeepSeek-V3.1 is available from DeepInfra, Novita.
GLM-4.6
DeepSeek-V3.1
Outputs Comparison
Key Takeaways
GLM-4.6
View detailsZhipu AI
DeepSeek-V3.1
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about GLM-4.6 vs DeepSeek-V3.1