Model comparison
GLM-5.2 vs Kimi K2.5 Instant
GLM-5.2 is the stronger model overall, scoring 51.1 to 43.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. GLM-5.2 scores higher in 8 categories and Kimi K2.5 Instant in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5.2 leads 57.1 to 40.2.
Side by side
| GLM-5.2 | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Moonshot AI |
| Noometry Index | 51.1 | 43.6 |
| Released | 2026-06-13 | — |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 51 | 18 |
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Category by category
Coding GLM-5.2 leads
GLM-5.2: 51.3 (#41), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena WebDev | 1603 | 1404 |
| LMArena Coding | 1485 | 1484 |
| SWE-bench Verified | 78.7% | — |
| DeepSWE | 43.8% | — |
| FrontierCode | 24.5% | — |
| SciCode | 50.5% | — |
| WeirdML | 70.1% | — |
| ALE-Bench | 1,047 | — |
Agentic & Tool Use Not comparable
GLM-5.2: 32.4 (#63), Kimi K2.5 Instant: —
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| APEX-Agents | 45.2% | — |
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 31.7% | — |
| GBAEval | 0% | — |
| Vending-Bench 2 | 8,314 | — |
Reasoning GLM-5.2 leads
GLM-5.2: 42.3 (#52), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1480 | 1443 |
| ARC-AGI-2 | 22.8% | — |
| SimpleBench | 58.8% | — |
| Kagi LLM Benchmark | 62.6% | — |
| NYT Connections (extended) | 74.3% | — |
| ARC-AGI-1 | 77% | — |
| CritPt | 20.9% | — |
| Chess Puzzles | 21% | — |
| EBR-Bench | 9.5% | — |
| Mystery Game Puzzles | 19% | — |
| DTBench | 93.6% | — |
| LMCA | 45.8% | — |
| Surface Evolver Bench | 55.6% | — |
| Epoch Capabilities Index | 151.78 | — |
Math GLM-5.2 leads
GLM-5.2: 55.7 (#43), Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1482 | 1442 |
| FrontierMath (Tiers 1-3) | 59.2% | — |
| FrontierMath Tier 4 | 29.3% | — |
| MathArena Final-Answer Competitions | 67.6% | — |
| OTIS Mock AIME 2024-2025 | 86.4% | — |
| ProofBench | 35% | — |
Knowledge GLM-5.2 leads
GLM-5.2: 57.1 (#40), Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1486 | 1440 |
| GPQA Diamond | 91.9% | — |
| SimpleQA Verified | 34.2% | — |
Multimodal Not comparable
GLM-5.2: —, Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
Multilingual GLM-5.2 leads
GLM-5.2: 55.8 (#26), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1459 | 1406 |
| LMArena Chinese | 1519 | 1449 |
| LMArena French | 1479 | 1403 |
| LMArena German | 1468 | 1413 |
| LMArena Korean | 1445 | 1378 |
| LMArena Russian | 1466 | 1404 |
| LMArena Spanish | 1477 | 1447 |
| LMArena Japanese | 1451 | — |
Instruction Following GLM-5.2 leads
GLM-5.2: 76.9 (#34), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1465 | 1430 |
Long Context GLM-5.2 leads
GLM-5.2: 45.3 (#43), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1479 | 1435 |
Writing & Preference GLM-5.2 leads
GLM-5.2: 70.4 (#21), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | GLM-5.2 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1470 | 1420 |
| LMArena Creative Writing | 1462 | 1381 |
| LMArena Multi-Turn | 1469 | 1427 |
| EQ-Bench Creative Writing | 1757 | — |
| EQ-Bench 4 | 1222 | — |
Frequently asked questions
Is GLM-5.2 better than Kimi K2.5 Instant?
GLM-5.2 is the stronger model overall, scoring 51.1 to 43.6 on the Noometry Index.
Is GLM-5.2 or Kimi K2.5 Instant better for coding?
GLM-5.2 scores higher on coding benchmarks: 51.3 versus 42.6 in the Noometry coding category.
How many benchmarks do GLM-5.2 and Kimi K2.5 Instant share?
17 benchmarks have published results for both models. GLM-5.2 has 51 scored results on Noometry and Kimi K2.5 Instant has 18.