Model comparison
Chatgpt 4o Latest 20250326 vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 43.8 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 0 categories and MiMo-V2.6-Pro in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.6-Pro leads 54.5 to 38.6.
- 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 | 43.8 | 50.3 |
| Released | — | 2026-09-21 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 21 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 41.6 (#122), MiMo-V2.6-Pro: 55.5 (#23)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Coding | 1413 | 1534 |
| LMArena WebDev | — | 1629 |
| SciCode | — | 60.9% |
| ALE-Bench | — | 1,158 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, MiMo-V2.6-Pro: 37.5 (#35)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |
Reasoning MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 33.8 (#71), MiMo-V2.6-Pro: 43.1 (#50)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1512 |
| Kagi LLM Benchmark | 75% | — |
| CritPt | — | 26.6% |
Math MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 38.6 (#134), MiMo-V2.6-Pro: 54.5 (#45)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1407 | 1494 |
| ProofBench | — | 70% |
Knowledge MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 39.2 (#137), MiMo-V2.6-Pro: 43.5 (#92)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1401 | 1543 |
| Confabulations | 16.6% | — |
Multimodal MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 39.6 (#58), MiMo-V2.6-Pro: 40.8 (#43)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | 1243 | 1264 |
Multilingual MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 52.9 (#76), MiMo-V2.6-Pro: 56.9 (#14)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1419 | 1474 |
| LMArena Chinese | 1457 | 1529 |
| LMArena Russian | 1429 | 1480 |
| LMArena French | 1446 | — |
| LMArena German | 1423 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1396 | — |
| LMArena Spanish | 1434 | — |
Instruction Following MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 74.0 (#107), MiMo-V2.6-Pro: 78.2 (#12)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1403 | 1493 |
Long Context MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 43.1 (#107), MiMo-V2.6-Pro: 46.0 (#27)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1413 | 1501 |
Writing & Preference MiMo-V2.6-Pro leads
Chatgpt 4o Latest 20250326: 62.6 (#72), MiMo-V2.6-Pro: 66.8 (#33)
| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1429 | 1492 |
| LMArena Creative Writing | 1405 | 1468 |
| LMArena Multi-Turn | 1454 | 1464 |
| 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 50.3 to 43.8 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: 55.5 versus 41.6 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 19.