Model comparison
MiMo-V2.6-Pro vs Solar Pro 3
MiMo-V2.6-Pro has enough public results to be ranked (#49); Solar Pro 3 does not yet, so treat this comparison as directional.
Last verified . 2 shared benchmarks.
UpstageSummary
- They share 2 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 2 categories and Solar Pro 3 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2.6-Pro leads 55.5 to 34.8.
- The biggest single-benchmark swing is SciCode: 60.9% for MiMo-V2.6-Pro and 24.7% for Solar Pro 3.
- Solar Pro 3 is cheaper at $0.25 / $0.25 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.6-Pro.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 131K.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.6-Pro | Solar Pro 3 | |
|---|---|---|
| Provider | Xiaomi | Upstage |
| Noometry Index | 50.3 | 33.9 |
| Released | 2026-09-21 | 2026-01 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 131K |
| Max output | 131K | 8K |
| Input $ / M tokens | $0.43 | $0.25 |
| Output $ / M tokens | $0.87 | $0.25 |
| Results tracked | 19 | 2 |
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Category by category
Coding MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 55.5 (#23), Solar Pro 3: 34.8
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| SciCode | 60.9% | 24.7% |
| LMArena WebDev | 1629 | — |
| LMArena Coding | 1534 | — |
| ALE-Bench | 1,158 | — |
Agentic & Tool Use Not comparable
MiMo-V2.6-Pro: 37.5 (#35), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| APEX-Agents | 59.5% | — |
Reasoning MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.1 (#50), Solar Pro 3: 22.4
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| CritPt | 26.6% | 0% |
| LMArena Hard Prompts | 1512 | — |
Math Not comparable
MiMo-V2.6-Pro: 54.5 (#45), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| ProofBench | 70% | — |
| LMArena Math | 1494 | — |
Knowledge Not comparable
MiMo-V2.6-Pro: 43.5 (#92), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| LMArena Expert | 1543 | — |
Multimodal Not comparable
MiMo-V2.6-Pro: 40.8 (#43), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| LMArena Vision | 1264 | — |
Multilingual Not comparable
MiMo-V2.6-Pro: 56.9 (#14), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| LMArena Non-English | 1474 | — |
| LMArena Chinese | 1529 | — |
| LMArena Russian | 1480 | — |
Instruction Following Not comparable
MiMo-V2.6-Pro: 78.2 (#12), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| LMArena Instruction Following | 1493 | — |
Long Context Not comparable
MiMo-V2.6-Pro: 46.0 (#27), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| LMArena Longer Query | 1501 | — |
Writing & Preference Not comparable
MiMo-V2.6-Pro: 66.8 (#33), Solar Pro 3: —
| Benchmark | MiMo-V2.6-Pro | Solar Pro 3 |
|---|---|---|
| LMArena Text | 1492 | — |
| LMArena Creative Writing | 1468 | — |
| LMArena Multi-Turn | 1464 | — |
Frequently asked questions
Is MiMo-V2.6-Pro better than Solar Pro 3?
MiMo-V2.6-Pro has enough public results to be ranked (#49); Solar Pro 3 does not yet, so treat this comparison as directional.
Which is cheaper, MiMo-V2.6-Pro or Solar Pro 3?
Solar Pro 3 is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; MiMo-V2.6-Pro lists at $0.43 and $0.87.
Is MiMo-V2.6-Pro or Solar Pro 3 better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 34.8 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Pro does, with 1.05M tokens against 131K.
How many benchmarks do MiMo-V2.6-Pro and Solar Pro 3 share?
2 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Solar Pro 3 has 2.