Model comparison
Chatgpt 4o Latest 20250326 vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 43.2 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 1 category and MiMo-V2.6-Pro in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2.6-Pro leads 53.2 to 41.0.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | OpenAI | Xiaomi |
| Noometry Index | 43.2 | 46.7 |
| Released | — | 2026-09-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 21 | 14 |
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Category by category
Coding MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 41.0 (#122), MiMo-V2.6-Pro: 53.2 (#27)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Coding | 1413 | 1538 |
| LMArena WebDev | — | 1618 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 32.8 (#64), MiMo-V2.6-Pro: 30.4 (#76)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1511 |
| Kagi LLM Benchmark | 75% | — |
Math MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 35.8 (#134), MiMo-V2.6-Pro: 37.9 (#91)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1407 | 1497 |
Knowledge MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 38.7 (#131), MiMo-V2.6-Pro: 43.0 (#85)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1400 | 1548 |
| Confabulations | 16.6% | — |
Multimodal MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 38.9 (#54), MiMo-V2.6-Pro: 40.2 (#40)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | 1243 | 1265 |
Multilingual MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 53.1 (#72), MiMo-V2.6-Pro: 57.0 (#15)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1419 | 1474 |
| LMArena Chinese | 1456 | 1532 |
| LMArena Russian | 1429 | 1481 |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Spanish | 1435 | — |
Instruction Following MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 74.2 (#102), MiMo-V2.6-Pro: 78.2 (#10)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1403 | 1490 |
Long Context MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 43.1 (#104), MiMo-V2.6-Pro: 46.0 (#26)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1413 | 1500 |
Writing & Preference MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 62.8 (#68), MiMo-V2.6-Pro: 66.9 (#32)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1429 | 1491 |
| LMArena Creative Writing | 1406 | 1465 |
| LMArena Multi-Turn | 1454 | 1463 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 43.2 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 53.2 versus 41.0 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and MiMo-V2.6-Pro share?
13 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and MiMo-V2.6-Pro has 14.