Model comparison
Qwen3.8 Max vs Solar Pro4
Qwen3.8 Max is the stronger model overall, scoring 56.8 to 42.1 on the Noometry Index. Solar Pro4 costs 5.7× less per token, which makes it the better buy when Qwen3.8 Max's lead doesn't matter for your workload.
Last verified . 18 shared benchmarks.
Alibaba (Qwen)
UpstageSummary
- They share 18 benchmarks with published results for both. Qwen3.8 Max scores higher in 8 categories and Solar Pro4 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.8 Max leads 73.2 to 38.8.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $2 / $6 for Qwen3.8 Max.
- Qwen3.8 Max accepts more context: 1M tokens versus 524K.
Side by side
| Qwen3.8 Max | Solar Pro4 | |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 56.8 | 42.1 |
| Released | 2026-08-02 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 524K |
| Max output | 131K | 131K |
| Input $ / M tokens | $2 | $0.30 |
| Output $ / M tokens | $6 | $1.20 |
| Results tracked | 39 | 18 |
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Category by category
Coding Qwen3.8 Max leads
Qwen3.8 Max: 53.5 (#29), Solar Pro4: 40.1 (#149)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1674 | 1371 |
| LMArena Coding | 1502 | 1437 |
| DeepSWE | 57.5% | — |
| FrontierSWE | 17.8% | — |
| SciCode | 53.2% | — |
Agentic & Tool Use Not comparable
Qwen3.8 Max: 45.4 (#14), Solar Pro4: —
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| APEX-Agents | 63.3% | — |
| τ²-bench Banking | 55.1% | — |
| GDP.pdf | 23.2% | — |
Reasoning Qwen3.8 Max leads
Qwen3.8 Max: 54.4 (#26), Solar Pro4: 28.5 (#104)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1496 | 1399 |
| NYT Connections (extended) | 88.3% | — |
| CritPt | 20% | — |
| Chess Puzzles | 40% | — |
| Mystery Game Puzzles | 38% | — |
| DTBench | 92% | — |
| LMCA | 46.2% | — |
| Epoch Capabilities Index | 156.41 | — |
Math Qwen3.8 Max leads
Qwen3.8 Max: 73.2 (#20), Solar Pro4: 38.8 (#128)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Math | 1499 | 1416 |
| FrontierMath (Tiers 1-3) | 74.7% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 58% | — |
Knowledge Qwen3.8 Max leads
Qwen3.8 Max: 61.7 (#27), Solar Pro4: 39.8 (#129)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1507 | 1427 |
| GPQA Diamond | 92.7% | — |
| SimpleQA Verified | 47.3% | — |
Multimodal Not comparable
Qwen3.8 Max: 37.2 (#75), Solar Pro4: —
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Vision | 1314 | — |
| Furniture Assembly | 20% | — |
Multilingual Qwen3.8 Max leads
Qwen3.8 Max: 56.7 (#18), Solar Pro4: 48.7 (#139)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1472 | 1361 |
| LMArena Chinese | 1538 | 1415 |
| LMArena French | 1503 | 1397 |
| LMArena German | 1483 | 1364 |
| LMArena Japanese | 1467 | 1309 |
| LMArena Korean | 1461 | 1382 |
| LMArena Russian | 1481 | 1360 |
| LMArena Spanish | 1492 | 1401 |
Instruction Following Qwen3.8 Max leads
Qwen3.8 Max: 77.6 (#17), Solar Pro4: 72.7 (#132)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1479 | 1377 |
Long Context Qwen3.8 Max leads
Qwen3.8 Max: 45.6 (#31), Solar Pro4: 42.1 (#130)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1489 | 1381 |
Writing & Preference Qwen3.8 Max leads
Qwen3.8 Max: 67.1 (#30), Solar Pro4: 56.5 (#138)
| Benchmark | Qwen3.8 Max | Solar Pro4 |
|---|---|---|
| LMArena Text | 1483 | 1386 |
| LMArena Creative Writing | 1479 | 1316 |
| LMArena Multi-Turn | 1489 | 1385 |
Frequently asked questions
Is Qwen3.8 Max better than Solar Pro4?
Qwen3.8 Max is the stronger model overall, scoring 56.8 to 42.1 on the Noometry Index. Solar Pro4 costs 5.7× less per token, which makes it the better buy when Qwen3.8 Max's lead doesn't matter for your workload.
Which is cheaper, Qwen3.8 Max or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Qwen3.8 Max lists at $2 and $6.
Is Qwen3.8 Max or Solar Pro4 better for coding?
Qwen3.8 Max scores higher on coding benchmarks: 53.5 versus 40.1 in the Noometry coding category.
Which has the bigger context window?
Qwen3.8 Max does, with 1M tokens against 524K.
How many benchmarks do Qwen3.8 Max and Solar Pro4 share?
18 benchmarks have published results for both models. Qwen3.8 Max has 39 scored results on Noometry and Solar Pro4 has 18.