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GLM-4.7-Flash vs o4-mini

GLM-4.7-Flash and o4-mini are closely matched at 23.8 and 27.7 on the LLM Stats Score. GLM-4.7-Flash is 12.6x cheaper per token.

Zhipu AI · OpenAI · Updated for 2026

Which is better?

GLM-4.7-Flash and o4-mini are closely matched on the overall LLM Stats Score at 23.8 and 27.7.

In the 5 individual benchmarks reported for both models, o4-mini wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, GLM-4.7-Flash is roughly 12.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

o4-mini also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GLM-4.7-Flash

  • cost matters — it's about 12.6x cheaper per token
  • you want the most recent training data — it shipped Jan 2026
  • you need open weights you can self-host or fine-tune

Choose o4-mini

  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results
  • you process long inputs — it offers a 200,000 token context window

At a glance

The differences that matter most.

Core performance indexes
23.8
#163
27.7
#131
23.8
#153
27.8
#124
4.6
#199
12.2
#143
4.9
#141
7.8
#128
Cost, coverage & limits
Benchmark wins
0 of 5
5 of 5
Input price
$0.07 / M
$1.10 / M
Output price
$0.40 / M
$4.40 / M
Context window
128,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GLM-4.7-Flash
o4-mini
21.2#142
27.8#91
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for GLM-4.7-Flash · 14 for o4-mini

5 shared

GLM-4.7-Flash outperforms in 0 benchmarks, while o4-mini is better at 5 benchmarks (AIME 2025, BrowseComp, GPQA, Humanity's Last Exam, SWE-Bench Verified).

o4-mini significantly outperforms across most benchmarks.

Mon Sep 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GLM-4.7-Flash costs less

For input processing, GLM-4.7-Flash ($0.07/1M tokens) is 15.7x cheaper than o4-mini ($1.10/1M tokens).

For output processing, GLM-4.7-Flash ($0.40/1M tokens) is 11.0x cheaper than o4-mini ($4.40/1M tokens).

In conclusion, o4-mini is more expensive than GLM-4.7-Flash.*

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

Lowest available price from all providers
Mon Sep 07 2026 • llm-stats.com
Zhipu AI
GLM-4.7-Flash
Input tokens$0.07
Output tokens$0.40
Best providerUnknown Organization
OpenAI
o4-mini
Input tokens$1.10
Output tokens$4.40
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

o4-mini accepts 200,000 input tokens compared to GLM-4.7-Flash's 128,000 tokens. o4-mini can generate longer responses up to 100,000 tokens, while GLM-4.7-Flash is limited to 16,384 tokens.

Zhipu AI
GLM-4.7-Flash
Input128,000 tokens
Output16,384 tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Mon Sep 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

o4-mini supports multimodal inputs, whereas GLM-4.7-Flash does not.

o4-mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-4.7-Flash

Text
Images
Audio
Video

o4-mini

Text
Images
Audio
Video

License

Usage and distribution terms

GLM-4.7-Flash is licensed under MIT, while o4-mini uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

GLM-4.7-Flash

MIT

Open weights

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-4.7-Flash was released on 2026-01-19, while o4-mini was released on 2025-04-16.

GLM-4.7-Flash is 9 months newer than o4-mini.

GLM-4.7-Flash

Jan 19, 2026

7 months ago

9mo newer
o4-mini

Apr 16, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while GLM-4.7-Flash's cutoff date is not specified.

We can confirm o4-mini's training data extends to 2024-05-31, but cannot make a direct comparison without GLM-4.7-Flash's cutoff date.

GLM-4.7-Flash

o4-mini

May 2024

Provider Availability

GLM-4.7-Flash is available from ZAI. o4-mini is available from OpenAI.

GLM-4.7-Flash

z logo
Unknown Organization
Input Price:Input: $0.07/1MOutput Price:Output: $0.40/1M

o4-mini

openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GLM-4.7-Flash and o4-mini side-by-side, then vote on the output you prefer.

GLM-4.7-Flash
✓ Preferred
o4-mini
Open in Playground

FAQ

Common questions about GLM-4.7-Flash vs o4-mini.

Which is better, GLM-4.7-Flash or o4-mini?

GLM-4.7-Flash and o4-mini are closely matched on the LLM Stats Score at 23.8 and 27.7. GLM-4.7-Flash is made by Zhipu AI and o4-mini is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GLM-4.7-Flash compare to o4-mini in benchmarks?

GLM-4.7-Flash scores AIME 2025: 91.6%, Tau-bench: 79.5%, GPQA: 75.2%, SWE-Bench Verified: 59.2%, BrowseComp: 42.8%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

Is GLM-4.7-Flash cheaper than o4-mini?

GLM-4.7-Flash is 15.7x cheaper for input tokens. GLM-4.7-Flash costs $0.07/M input and $0.40/M output via z. o4-mini costs $1.10/M input and $4.40/M output via openai.

What are the context window sizes for GLM-4.7-Flash and o4-mini?

GLM-4.7-Flash supports 128K tokens and o4-mini supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-4.7-Flash and o4-mini?

Key differences include LLM Stats Score (23.8 vs 27.7), context window (128K vs 200K), input pricing ($0.07 vs $1.10/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-4.7-Flash and o4-mini?

GLM-4.7-Flash is developed by Zhipu AI and o4-mini is developed by OpenAI.