Comparing 2 models
DeepSeek V4.1 Flash vs GLM 5.2
Benchmarks through
Verdict
GLM 5.2 places higher on 7 of the 10 tasks where both are ranked. GLM 5.2 costs 10.0x less per input token.
- Choose DeepSeek V4.1 Flash for Structured Data Extraction (#1), JSON & Schema Output (#1), AI Agents (#6).
- Choose GLM 5.2 for High-Volume Extraction (#1), Cheapest Capable LLM (#2), Cheap LLM for High Volume (#2).
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 | DeepSeek V4.1 Flash | GLM 5.2 | Source |
|---|---|---|---|
| FrontierMath Tiers 1-3 (Epoch AI) | 67.4% ± 2.8 | 59.2% ± 3 | source · 2026-10-08 |
| GPQA Diamond (Epoch AI) | 89.8% ± 1.7 | 91.9% ± 1.6 | source · 2026-10-09 |
| LiveBench Agentic Coding | 77.3% | 51.8% | source · 2026-10-18 |
| LiveBench Coding | 80.0% | 79.7% | source · 2026-10-18 |
| LiveBench Data Analysis | 79.3% | 73.7% | source · 2026-10-18 |
| LiveBench Instruction Following | 70.0% | 62.3% | source · 2026-10-18 |
| LiveBench Language | 81.2% | 76.2% | source · 2026-10-18 |
| LiveBench Math | 93.3% | 89.8% | source · 2026-10-18 |
| LiveBench Reasoning | 86.7% | 78.6% | source · 2026-10-18 |
| LMArena Agent | 2.3 | 1.7 | source · 2026-10-23 |
| LMArena Agent Bash Recovery | 7.9 | 0.7 | source · 2026-10-08 |
| LMArena Agent Steerability | 1 | 1.3 | source · 2026-10-23 |
| LMArena Agent Task Outcome | 5.8 | 2.8 | source · 2026-10-23 |
| LMArena Agent Tool Hallucination | 0.6 | 0.7 | source · 2026-10-23 |
| LMArena Creative Writing | 1438 Elo | 1462 Elo | source · 2026-10-22 |
| LMArena Instruction Following | 1474 Elo | 1466 Elo | source · 2026-10-22 |
| LMArena Long Query | 1474 Elo | 1479 Elo | source · 2026-10-22 |
| LMArena Math | 1479 Elo | 1484 Elo | source · 2026-10-22 |
| LMArena Text | 1476 Elo | 1475 Elo | source · 2026-10-22 |
| LMArena Text Factuality | 1469 Elo | 1463 Elo | source · 2026-10-22 |
| LMArena WebDev | 1619 Elo | 1606 Elo | source · 2026-10-27 |
| OTIS Mock AIME (Epoch AI) | 98.3% ± 0.6 | 86.4% ± 4.2 | source · 2026-10-08 |
| SimpleQA Verified (Epoch AI) | 42.9% ± 1.6 | 34.2% ± 1.5 | source · 2026-10-13 |
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.