Model comparison
Qwen3.6 Plus vs Solar Pro4
Qwen3.6 Plus is the stronger model overall, scoring 47.5 to 42.1 on the Noometry Index. Solar Pro4 costs 2.1× less per token, which makes it the better buy when Qwen3.6 Plus'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. Qwen3.6 Plus scores higher in 8 categories and Solar Pro4 in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.6 Plus leads 56.1 to 39.8.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.50 / $3 for Qwen3.6 Plus.
- Qwen3.6 Plus accepts more context: 1M tokens versus 524K.
Side by side
| Qwen3.6 Plus | Solar Pro4 | |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 47.5 | 42.1 |
| Released | 2026-03-31 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 524K |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.50 | $0.30 |
| Output $ / M tokens | $3 | $1.20 |
| Results tracked | 37 | 18 |
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Category by category
Coding Too close to call
Qwen3.6 Plus: 40.8 (#130), Solar Pro4: 40.1 (#149)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1461 | 1371 |
| LMArena Coding | 1467 | 1437 |
| SWE-bench Verified | 57.9% | — |
| SciCode | 40.7% | — |
| ALE-Bench | 670.15 | — |
Agentic & Tool Use Not comparable
Qwen3.6 Plus: —, Solar Pro4: —
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| Vending-Bench 2 | 5,115 | — |
Reasoning Too close to call
Qwen3.6 Plus: 29.3 (#93), Solar Pro4: 28.5 (#104)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1449 | 1399 |
| NYT Connections (extended) | 60.3% | — |
| CritPt | 2.9% | — |
| Chess Puzzles | 17% | — |
| Thematic Generalization | 59.5% | — |
| Mystery Game Puzzles | 12% | — |
| DTBench | 81.9% | — |
| LMCA | 33.1% | — |
| Epoch Capabilities Index | 147.65 | — |
Math Qwen3.6 Plus leads
Qwen3.6 Plus: 51.8 (#54), Solar Pro4: 38.8 (#128)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Math | 1450 | 1416 |
| FrontierMath (Tiers 1-3) | 38.2% | — |
| OTIS Mock AIME 2024-2025 | 93.3% | — |
| FrontierMath (Feb 2025 set) | 26.2% | — |
| FrontierMath Tier 4 (v1) | 8.3% | — |
Knowledge Qwen3.6 Plus leads
Qwen3.6 Plus: 56.1 (#45), Solar Pro4: 39.8 (#129)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1454 | 1427 |
| GPQA Diamond | 88.4% | — |
| SimpleQA Verified | 44.1% | — |
Multilingual Qwen3.6 Plus leads
Qwen3.6 Plus: 53.3 (#70), Solar Pro4: 48.7 (#139)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1424 | 1361 |
| LMArena Chinese | 1477 | 1415 |
| LMArena French | 1455 | 1397 |
| LMArena German | 1452 | 1364 |
| LMArena Japanese | 1389 | 1309 |
| LMArena Korean | 1379 | 1382 |
| LMArena Russian | 1434 | 1360 |
| LMArena Spanish | 1432 | 1401 |
Instruction Following Qwen3.6 Plus leads
Qwen3.6 Plus: 75.0 (#74), Solar Pro4: 72.7 (#132)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1425 | 1377 |
Long Context Qwen3.6 Plus leads
Qwen3.6 Plus: 45.2 (#49), Solar Pro4: 42.1 (#130)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1439 | 1381 |
| CL-bench | 20.3% | — |
Writing & Preference Qwen3.6 Plus leads
Qwen3.6 Plus: 62.2 (#82), Solar Pro4: 56.5 (#138)
| Benchmark | Qwen3.6 Plus | Solar Pro4 |
|---|---|---|
| LMArena Text | 1437 | 1386 |
| LMArena Creative Writing | 1404 | 1316 |
| LMArena Multi-Turn | 1438 | 1385 |
Frequently asked questions
Is Qwen3.6 Plus better than Solar Pro4?
Qwen3.6 Plus is the stronger model overall, scoring 47.5 to 42.1 on the Noometry Index. Solar Pro4 costs 2.1× less per token, which makes it the better buy when Qwen3.6 Plus's lead doesn't matter for your workload.
Which is cheaper, Qwen3.6 Plus or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Qwen3.6 Plus lists at $0.50 and $3.
Is Qwen3.6 Plus or Solar Pro4 better for coding?
They score almost the same on coding (40.8 vs 40.1); test both on your own repository before choosing.
Which has the bigger context window?
Qwen3.6 Plus does, with 1M tokens against 524K.
How many benchmarks do Qwen3.6 Plus and Solar Pro4 share?
18 benchmarks have published results for both models. Qwen3.6 Plus has 37 scored results on Noometry and Solar Pro4 has 18.