GLM-5.3-Flash
Z.aiOpenMIT
GLM-5.3-Flash is a vision-language model from Z.ai. It ranks 24 of 167 on LMArena’s overall vision board with 1294±6 from 16,254 votes. Its best category is Diagrams (#20 of 123). License: MIT.
Key figures
- Developer
- Z.ai
- License
- MIT
- First seen (our snapshots)
- 2026-10-26
No data: Captioning, Entity recognition.
Who it suits
- Overall #24 of 167: upper half.
- Strongest category: Diagrams (#20 of 123).
- Open weights (MIT): you can self-host it.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 21 |  GPT-5.5 OpenAI | 1297 | 28,781 | Proprietary | +3 |
| 22 |  Gemini 3.1 Pro Preview Google | 1296 | 47,114 | Proprietary | +2 |
| 23 |  Claude Opus 4.8 (High) Anthropic | 1294 | 18,303 | Proprietary | +0 |
| 24 | GLM-5.3-Flash Z.ai | 1294 | 16,254 | MIT | |
| 25 | GPT-5.5 (High) OpenAI | 1293 | 27,067 | Proprietary | -1 |
| 26 |  Muse Spark 1.1 Meta | 1293 | 12,804 | Proprietary | -1 |
| 27 | GPT-5.4 OpenAI | 1292 | 22,804 | Proprietary | -2 |
Alternatives · More from Z.ai
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 50 | GLM-5V-Turbo Z.ai | 1264 | 42,757 | Proprietary |
| 113 | GLM-4.6V Z.ai | 1164 | 2,455 | MIT |
| 118 | GLM-4.5V Z.ai | 1154 | 3,243 | MIT |
| 163 | CogVLM2 Llama3 Chat 19B Z.ai | 928 | 1,991 | CogVLM2 |
Alternatives · Top open-weight models
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 34 |  Kimi K2.6 Moonshot AI | 1282 | 16,368 | Modified MIT |
| 38 |  DeepSeek-V4.1-Flash-20260910 (Max) DeepSeek | 1278 | 4,100 | MIT |
| 39 | Gemma 4 31B Google | 1276 | 40,219 | Apache 2.0 |
| 44 |  Qwen3.8-27B Alibaba | 1269 | 7,614 | Apache 2.0 |
| 46 | Kimi K2.5 (Thinking) Moonshot AI | 1269 | 28,249 | Modified MIT |
How to read these scores
- If two scores differ by less than their ± intervals, the models are statistically close.
- Each category board is computed independently; do not compare scores across categories.
- Models with few votes move more; ranks of new entries may change.
FAQ
Where does GLM-5.3-Flash rank among vision models?
Overall rank 24 (1294); OCR rank 26 (1299); Diagrams rank 20 (1317); Homework rank 22 (1318); Creative writing rank 39 (1270); Humor rank 30 (1279); English rank 18 (1295); Chinese rank 15 (1363) (LMArena, data as of Oct 26, 2026).
How good is GLM-5.3-Flash at OCR?
GLM-5.3-Flash ranks 26 of 123 on LMArena’s OCR board with 1299 (11,021 votes).
Is GLM-5.3-Flash better with Chinese or English prompts?
Chinese board: #15 of 128 (1363); English board: #18 of 167 (1295). The boards are computed separately, so compare ranks rather than scores.
Is GLM-5.3-Flash open-weight?
LMArena lists its license as MIT, not proprietary; check the license text for commercial use.
How far is GLM-5.3-Flash from #1?
#1 overall is Claude Fable 5 (High) (1325); GLM-5.3-Flash has 1294, 31 points behind.
Sources
LMArena data published Oct 19, 2026.
Synced here Oct 26, 2026.
Price, context length and release date have no reliable public data here and are not shown; all figures come from snapshots, blanks are –.