GPT-5.4 vs GLM-5 Comparison
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.4 outperforms in 2 benchmarks (BrowseComp, Terminal-Bench 2.0), while GLM-5 is better at 1 benchmark (MCP Atlas).
GPT-5.4 shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.4 ($2.50/1M tokens) is 2.5x more expensive than GLM-5 ($1.00/1M tokens).
For output processing, GPT-5.4 ($15.00/1M tokens) is 4.7x more expensive than GLM-5 ($3.20/1M tokens).
In conclusion, GPT-5.4 is more expensive than GLM-5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.4 accepts 1,000,000 input tokens compared to GLM-5's 200,000 tokens. Both models can generate responses up to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.4 supports multimodal inputs, whereas GLM-5 does not.
GPT-5.4 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.4
GLM-5
License
Usage and distribution terms
GPT-5.4 is licensed under a proprietary license, while GLM-5 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
GPT-5.4 was released on 2026-03-05, while GLM-5 was released on 2026-02-11.
GPT-5.4 is 1 month newer than GLM-5.
Mar 5, 2026
1 weeks ago
3w newerFeb 11, 2026
1 months 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
GPT-5.4 is available from OpenAI. GLM-5 is available from ZAI. The availability of providers can affect quality of the model and reliability.
GPT-5.4
GLM-5
Outputs Comparison
Key Takeaways
GPT-5.4
View detailsOpenAI
GLM-5
View detailsZhipu AI