Model Comparison

GPT-5.4 vs GLM-4.7-FlashWhich is better in 2026?

GPT-5.4 significantly outperforms across most benchmarks. GLM-4.7-Flash is 36.9x cheaper per token.

Verdict: GPT-5.4 vs GLM-4.7-Flash — which is better?

GPT-5.4 (by OpenAI) and GLM-4.7-Flash (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.

GPT-5.4 outperforms in 3 benchmarks (BrowseComp, GPQA, Humanity's Last Exam), while GLM-4.7-Flash is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

On price, GLM-4.7-Flash is roughly 36.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-5.4 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GPT-5.4 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Mar 2026

Choose GLM-4.7-Flash if…

  • cost matters — it's about 36.9x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GPT-5.4 outperforms in 3 benchmarks (BrowseComp, GPQA, Humanity's Last Exam), while GLM-4.7-Flash is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sat Jun 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-4.7-Flash costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 35.7x more expensive than GLM-4.7-Flash ($0.07/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 37.5x more expensive than GLM-4.7-Flash ($0.40/1M tokens).

In conclusion, GPT-5.4 is more expensive than GLM-4.7-Flash.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Jun 27 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
Zhipu AI
GLM-4.7-Flash
Input tokens$0.07
Output tokens$0.40
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-4.7-Flash's 128,000 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while GLM-4.7-Flash is limited to 16,384 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-4.7-Flash
Input128,000 tokens
Output16,384 tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.4 supports multimodal inputs, whereas GLM-4.7-Flash 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-4.7-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 is licensed under a proprietary license, while GLM-4.7-Flash 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-4.7-Flash

MIT

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while GLM-4.7-Flash was released on 2026-01-19.

GPT-5.4 is 2 months newer than GLM-4.7-Flash.

GPT-5.4

Mar 5, 2026

3 months ago

1mo newer
GLM-4.7-Flash

Jan 19, 2026

5 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-4.7-Flash is available from ZAI.

GPT-5.4

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

GLM-4.7-Flash

z logo
Unknown Organization
Input Price:Input: $0.07/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher BrowseComp score (82.7% vs 42.8%)
Higher GPQA score (92.8% vs 75.2%)
Higher Humanity's Last Exam score (39.8% vs 14.4%)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GPT-5.4 and GLM-4.7-Flash side-by-side, then vote on the output you prefer.

GPT-5.4
✓ Preferred
GLM-4.7-Flash
Open in Playground
AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Zhipu AI
GLM-4.7-Flash

FAQ

Common questions about GPT-5.4 vs GLM-4.7-Flash.

Which is better, GPT-5.4 or GLM-4.7-Flash?

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and GLM-4.7-Flash is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5.4 compare to GLM-4.7-Flash in benchmarks?

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-4.7-Flash scores AIME 2025: 91.6%, Tau-bench: 79.5%, GPQA: 75.2%, SWE-Bench Verified: 59.2%, BrowseComp: 42.8%.

Is GPT-5.4 cheaper than GLM-4.7-Flash?

GLM-4.7-Flash is 35.7x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. GLM-4.7-Flash costs $0.07/M input and $0.40/M output via z.

What are the context window sizes for GPT-5.4 and GLM-4.7-Flash?

GPT-5.4 supports 1.0M tokens and GLM-4.7-Flash supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.4 and GLM-4.7-Flash?

Key differences include context window (1.0M vs 128K), input pricing ($2.50 vs $0.07/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.4 and GLM-4.7-Flash?

GPT-5.4 is developed by OpenAI and GLM-4.7-Flash is developed by Zhipu AI.