Comparing 2 models
Gemini 3.5 Flash vs GLM 5.3 Flash
Benchmarks through
Verdict
Gemini 3.5 Flash and GLM 5.3 Flash are not yet ranked on the same task, so compare the specifications below. GLM 5.3 Flash costs 61.7x less per input token. Only GLM 5.3 Flash has open weights for self-hosting.
- Choose GLM 5.3 Flash for you need to self-host.
Built from the published task rankings below; ranks come from each task's own weighted benchmarks, so a win on one task says nothing about another.
Measured head to head
Benchmarks both models were run on
| Evaluation | Gemini 3.5 Flash | GLM 5.3 Flash | Source |
|---|---|---|---|
| Design Arena Coding | 1268 Elo | 1285 Elo | source · 2026-10-16 |
| Design Arena UI | 1272 Elo | 1318 Elo | source · 2026-10-16 |
| Design Arena Website | 1269 Elo | 1274 Elo | source · 2026-10-16 |
| FrontierMath Tiers 1-3 (Epoch AI) | 62.8% ± 2.9 | 55.8% ± 2.9 | source · 2026-06-10 |
| GPQA Diamond (Epoch AI) | 88.9% ± 2.2 | 90.2% ± 1.7 | source · 2026-08-06 |
| GPQA Diamond (Epoch AI) | 86.4% ± 2.4 | 90.2% ± 1.7 | source · 2026-07-15 |
| GPQA Diamond (Epoch AI) | 92.8% ± 1.6 | 90.2% ± 1.7 | source · 2026-05-22 |
| LiveBench Agentic Coding | 49.0% | 56.8% | source · 2026-10-16 |
| LiveBench Coding | 78.2% | 79.0% | source · 2026-10-16 |
| LiveBench Data Analysis | 64.9% | 76.4% | source · 2026-10-16 |
| LiveBench Instruction Following | 75.6% | 52.8% | source · 2026-10-16 |
| LiveBench Language | 84.6% | 77.3% | source · 2026-10-16 |
| LiveBench Math | 88.2% | 81.2% | source · 2026-10-16 |
| LiveBench Reasoning | 82% | 77.6% | source · 2026-10-16 |
| LMArena Creative Writing | 1468 Elo | 1441 Elo | source · 2026-10-15 |
| LMArena Instruction Following | 1467 Elo | 1478 Elo | source · 2026-10-15 |
| LMArena Long Query | 1483 Elo | 1482 Elo | source · 2026-10-15 |
| LMArena Math | 1503 Elo | 1505 Elo | source · 2026-10-15 |
| LMArena Text | 1477 Elo | 1474 Elo | source · 2026-10-15 |
| LMArena Text Factuality | 1477 Elo | 1463 Elo | source · 2026-10-15 |
| LMArena Vision | 1284 Elo | 1273 Elo | source · 2026-10-09 |
| LMArena Vision Diagrams | 1309 Elo | 1306 Elo | source · 2026-10-09 |
| LMArena Vision OCR | 1293 Elo | 1284 Elo | source · 2026-10-09 |
| LMArena WebDev | 1499 Elo | 1606 Elo | source · 2026-10-13 |
| LMArena WebDev Image-to-Web | 1501 Elo | 1581 Elo | source · 2026-10-09 |
| OTIS Mock AIME (Epoch AI) | 88.9% ± 4.7 | 93.9% ± 2.2 | source · 2026-08-06 |
| OTIS Mock AIME (Epoch AI) | 80% ± 6 | 93.9% ± 2.2 | source · 2026-07-15 |
| OTIS Mock AIME (Epoch AI) | 95.6% ± 2.7 | 93.9% ± 2.2 | source · 2026-05-25 |
Values are as published by each evaluator, in its own units; rows from different evaluators are not on a common scale.
task evidence
How they place when the question changes
Lower ranks are better. “Best” marks the strongest option in this shortlist for that task.