Qwen3.6 Plus vs Solar Pro 4
Updated October 21, 2026. 43 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick Qwen3.6 Plus for coding: it scores 37.4 on the Vibe Coding Index against 24.4 for Solar Pro 4.
Pick Solar Pro 4 when output tokens cost 3.3x less, or when what matters is AA Intelligence Index or GPQA Diamond (Artificial Analysis run), where it leads.
- Shared results
- 43
- Qwen3.6 Plus only
- 40
- Solar Pro 4 only
- 2
- Like-for-like categories
- 7 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, four public coding benchmarks
Qwen3.6 Plus
Qwen3.6 Plus scores 37.4 against 24.4.
One benchmark behind each score
Intelligence
AA Intelligence Index
Solar Pro 4
Solar Pro 4 leads, 28.2 against 27.0.
Same board, both measured
Reasoning
GPQA Diamond
No call
Only Qwen3.6 Plus has a GPQA Diamond result, 87.4%.
Directional only
Math
AIME
No call
Only Qwen3.6 Plus has a AIME result, 94.6%.
Directional only
Knowledge
MMLU Pro
No call
Only Qwen3.6 Plus has a MMLU Pro result, 87.7%.
Directional only
Web design
Design Arena: websites
Qwen3.6 Plus
Qwen3.6 Plus leads, 1243 against 1176.
Same board, both measured
Long documents
Listed context window
Qwen3.6 Plus
Qwen3.6 Plus takes 1M tokens against 524K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Solar Pro 4
Qwen3.6 Plus $0.0013, Solar Pro 4 $0.0004 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Qwen3.6 Plus has the number, $1.19.
Directional only
At a glance
- Coding index
- Qwen3.6 Plus 37.4 from 1 benchmark, Solar Pro 4 24.4 from 1 benchmark.
- Widest category
- Coding, 10.2 points apart on average over 7 shared benchmarks.
- Widest single gap
- LMArena Text: Polish: Qwen3.6 Plus 1433 against Solar Pro 4 1304, 21.4 points apart on a 0 to 100 scale.
- Output price
- Qwen3.6 Plus $1.95 against Solar Pro 4 $0.60 per million output tokens, 3.3x apart.
- Context window
- Qwen3.6 Plus takes 1M tokens, Solar Pro 4 524K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Qwen3.6 Plus | Bars | Solar Pro 4 | Ties |
|---|---|---|---|---|
| Coding | 7 | 0 | ||
| Intelligence | 0 | 1 | ||
| Reasoning | 3 | 2 | ||
| Math | 2 | 0 | ||
| Knowledge | 4 | 0 | ||
| Web design | 6 | 0 | ||
| General | 17 | 1 | ||
| All shared boards | 39 | 4 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index70
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| LMArena WebDev | 1461 | 1371 | Qwen3.6 Plus |
| AA Coding Index | 54.5 | 52.7 | Qwen3.6 Plus |
| LiveCodeBench (Vals AI) | 86.0% | Not measured | Only Qwen3.6 Plus measured |
| SWE-bench Verified (Vals AI) | 73.4% | Not measured | Only Qwen3.6 Plus measured |
| Vibe Code Bench (Vals AI) | 25.6% | Not measured | Only Qwen3.6 Plus measured |
| Code migration (Vals AI) | 11.1% | Not measured | Only Qwen3.6 Plus measured |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Qwen3.6 Plus measured |
| Terminal-Bench 2.1 (Vals AI) | 53.2% | Not measured | Only Qwen3.6 Plus measured |
| SciCode | Not measured | 48.0% | Only Solar Pro 4 measured |
| Terminal-Bench Hard (Artificial Analysis run) | 43.9% | Not measured | Only Qwen3.6 Plus measured |
| ALE-Bench | 670.1 | 179.3 | Qwen3.6 Plus |
| LMArena Text: coding | 1467 | 1438 | Qwen3.6 Plus |
| LMArena Text: software and IT | 1462 | 1431 | Qwen3.6 Plus |
| LMArena WebDev: React | 1454 | 1363 | Qwen3.6 Plus |
| LMArena WebDev: HTML | 1463 | 1371 | Qwen3.6 Plus |
| LMArena WebDev: from an image | 1472 | Not measured | Only Qwen3.6 Plus measured |
| Neither model has a result on the other 22 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| AA Intelligence Index | 27.0 | 28.2 | Solar Pro 4 |
| Epoch Capabilities Index | 147.3 | Not measured | Only Qwen3.6 Plus measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| Design Arena: agents building web apps | Not measured | 1105 | Only Solar Pro 4 measured |
| Finance Agent (Vals AI) | 40.9% | Not measured | Only Qwen3.6 Plus measured |
| Tax Agent Bench (Vals AI) | 7.7% | Not measured | Only Qwen3.6 Plus measured |
| Legal Research Bench (Vals AI) | 14.9% | Not measured | Only Qwen3.6 Plus measured |
| Excel Modeling Benchmark (Vals AI) | 32.9% | Not measured | Only Qwen3.6 Plus measured |
| τ²-Bench Telecom | 97.7% | Not measured | Only Qwen3.6 Plus measured |
| Vending-Bench 2 | $5,115 | Not measured | Only Qwen3.6 Plus measured |
| Neither model has a result on the other 32 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index32
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| GPQA Diamond | 87.4% | Not measured | Only Qwen3.6 Plus measured |
| MMMU Pro (Vals AI) | 84.2% | Not measured | Only Qwen3.6 Plus measured |
| GPQA Diamond (Artificial Analysis run) | 88.2% | 89.1% | Solar Pro 4 |
| Humanity's Last Exam (Artificial Analysis run) | 27.8% | 29.8% | Solar Pro 4 |
| GPQA Diamond (Epoch AI run) | 88.4% | Not measured | Only Qwen3.6 Plus measured |
| Chess puzzles | 14.0% | Not measured | Only Qwen3.6 Plus measured |
| Mystery game puzzles | 12.0% | Not measured | Only Qwen3.6 Plus measured |
| LMArena Text: hard prompts | 1448 | 1400 | Qwen3.6 Plus |
| LMArena Text: expert | 1454 | 1428 | Qwen3.6 Plus |
| LMArena Text: hard prompts in English | 1455 | 1427 | Qwen3.6 Plus |
| Neither model has a result on the other 11 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| AIME | 94.6% | Not measured | Only Qwen3.6 Plus measured |
| OTIS Mock AIME | 93.3% | Not measured | Only Qwen3.6 Plus measured |
| FrontierMath, tiers 1 to 3 | 38.2% | Not measured | Only Qwen3.6 Plus measured |
| LMArena Text: math | 1449 | 1421 | Qwen3.6 Plus |
| LMArena Text: mathematical work | 1448 | 1427 | Qwen3.6 Plus |
| Neither model has a result on the other 8 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| MMLU Pro | 87.7% | Not measured | Only Qwen3.6 Plus measured |
| LegalBench (Vals AI) | 84.2% | Not measured | Only Qwen3.6 Plus measured |
| CaseLaw (Vals AI) | 51.5% | Not measured | Only Qwen3.6 Plus measured |
| CorpFin (Vals AI) | 61.9% | Not measured | Only Qwen3.6 Plus measured |
| TaxEval (Vals AI) | 74.7% | Not measured | Only Qwen3.6 Plus measured |
| MortgageTax (Vals AI) | 68.0% | Not measured | Only Qwen3.6 Plus measured |
| MedCode (Vals AI) | 36.9% | Not measured | Only Qwen3.6 Plus measured |
| SimpleQA Verified | 44.1% | Not measured | Only Qwen3.6 Plus measured |
| LMArena Text: science | 1439 | 1404 | Qwen3.6 Plus |
| LMArena Text: medicine and healthcare | 1442 | 1374 | Qwen3.6 Plus |
| LMArena Text: legal and government | 1437 | 1383 | Qwen3.6 Plus |
| LMArena Text: business and finance | 1430 | 1381 | Qwen3.6 Plus |
| Neither model has a result on the other 5 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index60
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| Design Arena: websites | 1243 | 1176 | Qwen3.6 Plus |
| Design Arena: UI components | 1233 | 1150 | Qwen3.6 Plus |
| Design Arena: game dev | 1211 | 1170 | Qwen3.6 Plus |
| Design Arena: data viz | 1228 | 1177 | Qwen3.6 Plus |
| Design Arena: 3D | 1202 | 1178 | Qwen3.6 Plus |
| Design Arena: all code categories | 1236 | 1182 | Qwen3.6 Plus |
| Design Arena: SVG | 1160 | Not measured | Only Qwen3.6 Plus measured |
| Design Arena: ASCII art | 1115 | Not measured | Only Qwen3.6 Plus measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index171
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| SAGE (Vals AI) | 44.9% | Not measured | Only Qwen3.6 Plus measured |
| MedScribe (Vals AI) | 77.0% | Not measured | Only Qwen3.6 Plus measured |
| Vals Multimodal Index | 51.5% | Not measured | Only Qwen3.6 Plus measured |
| IFBench | 75.2% | Not measured | Only Qwen3.6 Plus measured |
| Long context reasoning (AA-LCR) | 78.3% | 70.7% | Qwen3.6 Plus |
| DTBench | 81.9% | Not measured | Only Qwen3.6 Plus measured |
| LMCA | 33.1% | Not measured | Only Qwen3.6 Plus measured |
| CL-bench | 20.3% | Not measured | Only Qwen3.6 Plus measured |
| LMArena Text | 1436 | 1388 | Qwen3.6 Plus |
| LMArena Text: instruction following | 1424 | 1375 | Qwen3.6 Plus |
| LMArena Text: creative writing | 1404 | 1317 | Qwen3.6 Plus |
| LMArena Text: English | 1445 | 1414 | Qwen3.6 Plus |
| LMArena Text: non-English | 1424 | 1363 | Qwen3.6 Plus |
| LMArena Text: Chinese | 1477 | 1422 | Qwen3.6 Plus |
| LMArena Text: German | 1451 | 1358 | Qwen3.6 Plus |
| LMArena Text: Japanese | 1390 | 1320 | Qwen3.6 Plus |
| LMArena Text: Korean | 1379 | 1383 | Solar Pro 4 |
| LMArena Text: French | 1455 | 1400 | Qwen3.6 Plus |
| LMArena Text: Spanish | 1432 | 1409 | Qwen3.6 Plus |
| LMArena Text: Russian | 1434 | 1357 | Qwen3.6 Plus |
| LMArena Text: Polish | 1433 | 1304 | Qwen3.6 Plus |
| LMArena Text: multi-turn | 1438 | 1385 | Qwen3.6 Plus |
| LMArena Text: longer queries | 1439 | 1382 | Qwen3.6 Plus |
| LMArena Text: writing and language | 1418 | 1344 | Qwen3.6 Plus |
| LMArena Text: entertainment and media | 1402 | 1332 | Qwen3.6 Plus |
| Neither model has a result on the other 21 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Qwen3.6 Plus | Solar Pro 4 | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Solar Pro 4 costs less
Repository review
50K input + 3K output tokens
Solar Pro 4 costs less
Agent loop
200K input + 10K output tokens
Solar Pro 4 costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Qwen3.6 Plus | Upstage Solar Pro 4 |
|---|---|---|
| Maker | Qwen | Upstage |
| Weights | No public weights listed | No public weights listed |
| Released | April 2, 2026 | August 10, 2026 |
| Context window | 1M | 524K |
| Input $/Mtok | $0.325 | $0.15 |
| Output $/Mtok | $1.95 | $0.60 |
| Coding index | 37.4 | 24.4 |
| Independent measurements behind it | 1 | 1 |
| Cost per solved task | $1.19 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Qwen3.6 Plus better than Solar Pro 4 for coding?
Pick Qwen3.6 Plus for coding: it scores 37.4 on the Vibe Coding Index against 24.4 for Solar Pro 4. Pick Solar Pro 4 when output tokens cost 3.3x less, or when what matters is AA Intelligence Index or GPQA Diamond (Artificial Analysis run), where it leads.
Which is cheaper, Qwen3.6 Plus or Solar Pro 4?
Qwen3.6 Plus costs $0.325 per million input tokens and $1.95 per million output tokens; Solar Pro 4 costs $0.15 and $0.60. Cost per solved task is known for Qwen3.6 Plus only.
Which has the bigger context window, Qwen3.6 Plus or Solar Pro 4?
Qwen3.6 Plus, with 1M tokens against 524K.
How many benchmarks is the Qwen3.6 Plus vs Solar Pro 4 comparison based on?
43 benchmarks have a result for both models as of October 21, 2026. Qwen3.6 Plus's coding index rests on 1 independent benchmark and Solar Pro 4's on 1. Where only one model has a result, the page says so instead of naming a winner.