GLM-5.3 vs Qwen3.8-Flash-Next
GLM-5.3 and Qwen3.8-Flash-Next are closely matched at 52.7 and 49.1 on the LLM Stats Score.
Zhipu AI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
GLM-5.3 and Qwen3.8-Flash-Next are closely matched on the overall LLM Stats Score at 52.7 and 49.1.
In the 5 individual benchmarks reported for both models, GLM-5.3 wins 3; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GLM-5.3
- you value its reported benchmark strengths — it wins 3 of 5 exact shared results
Choose Qwen3.8-Flash-Next
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
17 reported for GLM-5.3 · 22 for Qwen3.8-Flash-Next
GLM-5.3 outperforms in 3 benchmarks (DeepSWE 1.1, Humanity's Last Exam, NL2Repo), while Qwen3.8-Flash-Next is better at 2 benchmarks (Agents' Last Exam, Toolathlon).
GLM-5.3 has a slight edge in benchmark performance.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
GLM-5.3 has 628.0B more parameters than Qwen3.8-Flash-Next, making it 502.4% larger.
Context Window
Maximum input and output token capacity
Only GLM-5.3 specifies input context (1,048,576 tokens). Only GLM-5.3 specifies output context (1,048,576 tokens).
Input capabilities
Documented input modalities across available providers
Qwen3.8-Flash-Next supports multimodal inputs, whereas GLM-5.3 does not.
Qwen3.8-Flash-Next can handle both text and other forms of data like images, making it suitable for multimodal applications.
GLM-5.3
Qwen3.8-Flash-Next
License
Usage and distribution terms
GLM-5.3 is licensed under GLM-5.3 License, while Qwen3.8-Flash-Next uses Qwen Community License 1.0.
License differences may affect how you can use these models in commercial or open-source projects.
GLM-5.3 License
Open weights
Qwen Community License 1.0
Open weights
Release Timeline
When each model was launched
GLM-5.3 was released on 2026-08-14, while Qwen3.8-Flash-Next was released on 2026-08-26.
Qwen3.8-Flash-Next is 0 month newer than GLM-5.3.
Aug 14, 2026
1 months ago
Aug 26, 2026
3 weeks ago
1w newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against GLM-5.3 and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.
FAQ
Common questions about GLM-5.3 vs Qwen3.8-Flash-Next.