Model Comparison
DeepSeek-R1 vs GLM-4.5Which is better in 2026?
Comparing DeepSeek-R1 and GLM-4.5 across benchmarks, pricing, and capabilities.
Verdict: DeepSeek-R1 vs GLM-4.5 — which is better?
DeepSeek-R1 (by DeepSeek) and GLM-4.5 (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.
On price, GLM-4.5 is roughly 1.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose DeepSeek-R1 if…
- you want predictable pricing at $0.55/M input and $2.19/M output
Choose GLM-4.5 if…
- cost matters — it's about 1.4x cheaper per token
- you want the most recent training data — it shipped Jul 2025
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-R1 and GLM-4.5don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-R1 ($0.55/1M tokens) is 1.4x more expensive than GLM-4.5 ($0.40/1M tokens).
For output processing, DeepSeek-R1 ($2.19/1M tokens) is 1.4x more expensive than GLM-4.5 ($1.60/1M tokens).
In conclusion, DeepSeek-R1 is more expensive than GLM-4.5.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-R1 has 316.0B more parameters than GLM-4.5, making it 89.0% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 131,072 tokens. Both models can generate responses up to 131,072 tokens.
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
DeepSeek-R1 was released on 2025-01-20, while GLM-4.5 was released on 2025-07-28.
GLM-4.5 is 6 months newer than DeepSeek-R1.
Jan 20, 2025
1.5 years ago
Jul 28, 2025
11 months ago
6mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-R1 is available from DeepSeek, DeepInfra, Together, Fireworks. GLM-4.5 is available from DeepInfra, Fireworks, Novita.
DeepSeek-R1
GLM-4.5
Outputs Comparison
Key Takeaways
DeepSeek-R1
View detailsDeepSeek
No standout differentiators in the data we have for this pair.
GLM-4.5
View detailsZhipu AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against DeepSeek-R1 and GLM-4.5 side-by-side, then vote on the output you prefer.
| Feature | | |
|---|
FAQ
Common questions about DeepSeek-R1 vs GLM-4.5.