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GLM-5.3 vs Qwen3.8 Max

GLM-5.3 significantly outperforms across most benchmarks.

Zhipu AI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

GLM-5.3 outperforms in 7 benchmarks (AutomationBench, DeepSWE 1.1, FrontierSWE, Humanity's Last Exam, NL2Repo, Terminal-Bench 2.1, Toolathlon), while Qwen3.8 Max is better at 1 benchmark (Agents' Last Exam). GLM-5.3 significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GLM-5.3

  • you want the strongest raw capability — it leads on 7 of 8 shared benchmarks
  • you want the most recent training data — it shipped Aug 2026

Choose Qwen3.8 Max

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Benchmark wins
7 of 8
1 of 8
Input price
$1.40 / M
— / M
Output price
$4.40 / M
— / M
Context window
1,000,000
Released
Aug 2026
Aug 2026
License
Unknown
Qwen3.8-Max License

Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

GLM-5.3 outperforms in 7 benchmarks (AutomationBench, DeepSWE 1.1, FrontierSWE, Humanity's Last Exam, NL2Repo, Terminal-Bench 2.1, Toolathlon), while Qwen3.8 Max is better at 1 benchmark (Agents' Last Exam).

GLM-5.3 significantly outperforms across most benchmarks.

Mon Aug 24 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

1647.0B diff

Qwen3.8 Max has 1647.0B more parameters than GLM-5.3, making it 218.7% larger.

Zhipu AI
GLM-5.3
753.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.8 Max
2.4Tparameters
753.0B
GLM-5.3
2400.0B
Qwen3.8 Max

Context Window

Maximum input and output token capacity

Only GLM-5.3 specifies input context (1,000,000 tokens). Only GLM-5.3 specifies output context (128,000 tokens).

Zhipu AI
GLM-5.3
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.8 Max
Input- tokens
Output- tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Qwen3.8 Max supports multimodal inputs, whereas GLM-5.3 does not.

Qwen3.8 Max can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-5.3

Text
Images
Audio
Video

Qwen3.8 Max

Text
Images
Audio
Video

Release Timeline

When each model was launched

GLM-5.3 was released on 2026-08-14, while Qwen3.8 Max was released on 2026-08-02.

GLM-5.3 is 0 month newer than Qwen3.8 Max.

GLM-5.3

Aug 14, 2026

1 weeks ago

1w newer
Qwen3.8 Max

Aug 2, 2026

3 weeks 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GLM-5.3 and Qwen3.8 Max side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
Qwen3.8 Max
Open in Playground

FAQ

Common questions about GLM-5.3 vs Qwen3.8 Max.

Which is better, GLM-5.3 or Qwen3.8 Max?

GLM-5.3 significantly outperforms across most benchmarks. GLM-5.3 is made by Zhipu AI and Qwen3.8 Max is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GLM-5.3 compare to Qwen3.8 Max in benchmarks?

GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%. Qwen3.8 Max scores PaperBench: 93.0%, MRCR v2 (8-needle): 92.9%, GPQA: 92.6%, VideoMME w sub.: 90.4%, RealWorldQA: 88.0%.

What are the context window sizes for GLM-5.3 and Qwen3.8 Max?

GLM-5.3 supports 1.0M tokens and Qwen3.8 Max supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5.3 and Qwen3.8 Max?

Key differences include multimodal support (no vs yes), licensing (Unknown vs Qwen3.8-Max License). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and Qwen3.8 Max?

GLM-5.3 is developed by Zhipu AI and Qwen3.8 Max is developed by Alibaba Cloud / Qwen Team.