Model Comparison

GPT-5.4 vs GLM-5

GPT-5.4 shows notably better performance in the majority of benchmarks. GLM-5 is 3.6x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

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.

Sat Apr 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-5 costs less

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

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
Zhipu AI
GLM-5
Input tokens$1.00
Output tokens$3.20
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

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.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-5
Input200,000 tokens
Output128,000 tokens
Sat Apr 18 2026 • llm-stats.com

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

Text
Images
Audio
Video

GLM-5

Text
Images
Audio
Video

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.

GPT-5.4

Proprietary

Closed source

GLM-5

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.

GPT-5.4

Mar 5, 2026

1 months ago

3w newer
GLM-5

Feb 11, 2026

2 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GPT-5.4 is available from OpenAI. GLM-5 is available from ZAI.

GPT-5.4

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

GLM-5

z logo
Unknown Organization
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher BrowseComp score (82.7% vs 75.9%)
Higher Terminal-Bench 2.0 score (75.1% vs 56.2%)
Zhipu AI
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher MCP Atlas score (67.8% vs 67.2%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Zhipu AI
GLM-5

FAQ

Common questions about GPT-5.4 vs GLM-5

GPT-5.4 shows notably better performance in the majority of benchmarks. GPT-5.4 is made by OpenAI and GLM-5 is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. GLM-5 scores t2-bench: 89.7%, SWE-Bench Verified: 77.8%, BrowseComp: 75.9%, MCP Atlas: 67.8%, Terminal-Bench 2.0: 56.2%.
GLM-5 is 2.5x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. GLM-5 costs $1.00/M input and $3.20/M output via z.
GPT-5.4 supports 1.0M tokens and GLM-5 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 200K), input pricing ($2.50 vs $1.00/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
GPT-5.4 is developed by OpenAI and GLM-5 is developed by Zhipu AI.