Model comparison
GLM-5.3-Flash vs MiMo-V2.6-Flash
GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 48.5 on the Noometry Index.
Last verified . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. GLM-5.3-Flash scores higher in 8 categories and MiMo-V2.6-Flash in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5.3-Flash leads 58.4 to 42.2.
- The biggest single-benchmark swing is ProofBench: 21% for GLM-5.3-Flash and 63% for MiMo-V2.6-Flash.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.15 / $0.50 for GLM-5.3-Flash.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 1M.
Side by side
| GLM-5.3-Flash | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Xiaomi |
| Noometry Index | 51.8 | 48.5 |
| Released | 2026-08-20 | 2026-09-21 |
| Weights | Open | Open |
| Context window | 1M | 1.05M |
| Max output | 131K | 131K |
| Input $ / M tokens | $0.15 | $0.14 |
| Output $ / M tokens | $0.50 | $0.28 |
| Results tracked | 40 | 19 |
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Category by category
Coding Too close to call
GLM-5.3-Flash: 53.1 (#31), MiMo-V2.6-Flash: 53.4 (#30)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena WebDev | 1609 | 1637 |
| SciCode | 51.6% | 51.3% |
| LMArena Coding | 1508 | 1504 |
| DeepSWE | 63.4% | — |
| FrontierCode | 31.8% | — |
| CursorBench | 36.8% | — |
| FrontierSWE | 18.1% | — |
| ALE-Bench | 303.55 | — |
Agentic & Tool Use Not comparable
GLM-5.3-Flash: 34.2 (#47), MiMo-V2.6-Flash: —
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| APEX-Agents | 52.8% | — |
| GDP.pdf | 14% | — |
Reasoning GLM-5.3-Flash leads
GLM-5.3-Flash: 48.0 (#42), MiMo-V2.6-Flash: 36.5 (#66)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| CritPt | 15.4% | 12% |
| LMArena Hard Prompts | 1491 | 1482 |
| ARC-AGI-2 | 65.8% | — |
| ARC-AGI-1 | 91% | — |
| Chess Puzzles | 14% | — |
| Mystery Game Puzzles | 8% | — |
| Surface Evolver Bench | 52.5% | — |
| Bench to the Future 3 | 0.15 | — |
| Epoch Capabilities Index | 151.88 | — |
Math GLM-5.3-Flash leads
GLM-5.3-Flash: 53.3 (#47), MiMo-V2.6-Flash: 51.9 (#52)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| ProofBench | 21% | 63% |
| LMArena Math | 1500 | 1468 |
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 93.9% | — |
Knowledge GLM-5.3-Flash leads
GLM-5.3-Flash: 58.4 (#36), MiMo-V2.6-Flash: 42.2 (#99)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1513 | 1501 |
| GPQA Diamond | 90.2% | — |
Multimodal GLM-5.3-Flash leads
GLM-5.3-Flash: 42.8 (#27), MiMo-V2.6-Flash: 40.5 (#47)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | 1296 | 1259 |
Multilingual GLM-5.3-Flash leads
GLM-5.3-Flash: 56.0 (#25), MiMo-V2.6-Flash: 54.0 (#51)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1462 | 1434 |
| LMArena Chinese | 1527 | 1511 |
| LMArena French | 1496 | 1475 |
| LMArena Russian | 1469 | 1409 |
| LMArena Spanish | 1471 | 1456 |
| LMArena German | 1470 | — |
| LMArena Japanese | 1429 | — |
| LMArena Korean | 1446 | — |
Instruction Following Too close to call
GLM-5.3-Flash: 77.5 (#20), MiMo-V2.6-Flash: 76.8 (#35)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1478 | 1463 |
Long Context Too close to call
GLM-5.3-Flash: 45.4 (#39), MiMo-V2.6-Flash: 44.8 (#57)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1482 | 1463 |
Writing & Preference GLM-5.3-Flash leads
GLM-5.3-Flash: 65.3 (#50), MiMo-V2.6-Flash: 63.1 (#67)
| Benchmark | GLM-5.3-Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1471 | 1455 |
| LMArena Creative Writing | 1442 | 1400 |
| LMArena Multi-Turn | 1467 | 1451 |
Frequently asked questions
Is GLM-5.3-Flash better than MiMo-V2.6-Flash?
GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 48.5 on the Noometry Index.
Which is cheaper, GLM-5.3-Flash or MiMo-V2.6-Flash?
MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; GLM-5.3-Flash lists at $0.15 and $0.50.
Is GLM-5.3-Flash or MiMo-V2.6-Flash better for coding?
They score almost the same on coding (53.1 vs 53.4); test both on your own repository before choosing.
Which has the bigger context window?
MiMo-V2.6-Flash does, with 1.05M tokens against 1M.
How many benchmarks do GLM-5.3-Flash and MiMo-V2.6-Flash share?
19 benchmarks have published results for both models. GLM-5.3-Flash has 40 scored results on Noometry and MiMo-V2.6-Flash has 19.