Model comparison
GLM-4.7-Flash vs Kimi K2.5 Instant
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 38.8 on the Noometry Index.
Last verified . 16 shared benchmarks.
Summary
- They share 16 benchmarks with published results for both. GLM-4.7-Flash scores higher in 0 categories and Kimi K2.5 Instant in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2.5 Instant leads 60.6 to 47.4.
Side by side
| GLM-4.7-Flash | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Moonshot AI |
| Noometry Index | 38.8 | 43.6 |
| Released | 2026-01-19 | — |
| Weights | Open | Open |
| Context window | 200K | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.06 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 21 | 18 |
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Category by category
Coding Kimi K2.5 Instant leads
GLM-4.7-Flash: 40.6 (#135), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1383 | 1484 |
| LMArena WebDev | — | 1404 |
Reasoning Kimi K2.5 Instant leads
GLM-4.7-Flash: 20.9 (#229), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1443 |
| Chess Puzzles | 0% | — |
Math Kimi K2.5 Instant leads
GLM-4.7-Flash: 36.1 (#173), Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1355 | 1442 |
| OTIS Mock AIME 2024-2025 | 58.3% | — |
Knowledge Kimi K2.5 Instant leads
GLM-4.7-Flash: 35.5 (#184), Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1357 | 1440 |
| GPQA Diamond | 60.5% | — |
| Vectara Hallucination Rate | 9.3% | — |
Multimodal Not comparable
GLM-4.7-Flash: —, Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
Multilingual Kimi K2.5 Instant leads
GLM-4.7-Flash: 46.5 (#158), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1330 | 1406 |
| LMArena Chinese | 1403 | 1449 |
| LMArena French | 1332 | 1403 |
| LMArena German | 1337 | 1413 |
| LMArena Korean | 1283 | 1378 |
| LMArena Russian | 1332 | 1404 |
| LMArena Spanish | 1350 | 1447 |
Instruction Following Kimi K2.5 Instant leads
GLM-4.7-Flash: 70.1 (#167), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1327 | 1430 |
Long Context Kimi K2.5 Instant leads
GLM-4.7-Flash: 40.9 (#148), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1345 | 1435 |
Writing & Preference Kimi K2.5 Instant leads
GLM-4.7-Flash: 47.4 (#210), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | GLM-4.7-Flash | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1351 | 1420 |
| LMArena Creative Writing | 1297 | 1381 |
| LMArena Multi-Turn | 1342 | 1427 |
| EQ-Bench Creative Writing | 1125 | — |
Frequently asked questions
Is GLM-4.7-Flash better than Kimi K2.5 Instant?
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 38.8 on the Noometry Index.
Is GLM-4.7-Flash or Kimi K2.5 Instant better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 40.6 in the Noometry coding category.
How many benchmarks do GLM-4.7-Flash and Kimi K2.5 Instant share?
16 benchmarks have published results for both models. GLM-4.7-Flash has 21 scored results on Noometry and Kimi K2.5 Instant has 18.