Qwen3.8 Max (0902) vs Hy4 preview
Qwen3.8 Max (0902) leads Hy4 preview on coding, 62.4 to 44.3 on the Vibe Coding Index, and Hy4 preview costs 2.4x less per output token ($2.501 vs $6.00 per million). Updated October 22, 2026; 20 benchmarks have a result for both.
Qwen3.8 Max (0902) or Hy4 preview: which to pick
Pick Qwen3.8 Max (0902) for coding: it scores 62.4 on the Vibe Coding Index against 44.3 for Hy4 preview.
Pick Hy4 preview for output tokens 2.4x cheaper ($2.501 vs $6.00 per million) and a larger context window (1.05M against 1M tokens).
- Shared results
- 20
- Qwen3.8 Max (0902) only
- 93
- Hy4 preview only
- 4
- Like-for-like categories
- 5 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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, six public coding benchmarks
Qwen3.8 Max (0902)
Qwen3.8 Max (0902) scores 62.4 against 44.3.
5 and 3 benchmarks behind the scores
Intelligence
AA Intelligence Index
No call
Only Qwen3.8 Max (0902) has a AA Intelligence Index result, 45.4.
Directional only
Agentic work
AA Agentic Index
No call
Only Qwen3.8 Max (0902) has a AA Agentic Index result, 56.0.
Directional only
Reasoning
GPQA Diamond
No call
Only Qwen3.8 Max (0902) has a GPQA Diamond result, 93.7%.
Directional only
Knowledge
MMLU Pro
No call
Only Qwen3.8 Max (0902) has a MMLU Pro result, 88.6%.
Directional only
Web design
Design Arena: websites
No call
Only Qwen3.8 Max (0902) has a Design Arena: websites result, 1275.
Directional only
General
Vals Index
No call
Only Hy4 preview has a Vals Index result, 53.2%.
Directional only
Long documents
Listed context window
Hy4 preview
Hy4 preview takes 1.05M tokens against 1M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Hy4 preview
Qwen3.8 Max (0902) $0.0050, Hy4 preview $0.0021 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Qwen3.8 Max (0902) has the number, $1.32.
Directional only
At a glance
- Coding index
- Qwen3.8 Max (0902) 62.4 from 5 benchmarks, Hy4 preview 44.3 from 3 benchmarks.
- Widest category
- Math, 17.0 points apart on average over 1 shared benchmark.
- Widest single gap
- CyberBench (Vals AI): Qwen3.8 Max (0902) 28.6% against Hy4 preview 65.4%, 36.8 points apart on a 0 to 100 scale.
- Output price
- Qwen3.8 Max (0902) $6.00 against Hy4 preview $2.501 per million output tokens, 2.4x apart.
- Context window
- Qwen3.8 Max (0902) takes 1M tokens, Hy4 preview 1.05M.
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 | Qwen3.8 Max (0902) | Bars | Hy4 preview | Ties |
|---|---|---|---|---|
| Coding | 6 | 3 | 1 tie | |
| Agentic work | 3 | 2 | ||
| Math | 0 | 1 | ||
| Knowledge | 0 | 2 | ||
| General | 1 | 1 | ||
| All shared boards | 10 | 9 | 1 tie |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index63
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| LiveBench coding | 60.3% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena WebDev | 1674 | 1631 | Qwen3.8 Max (0902) |
| AA Coding Index | 76.2 | Not measured | Only Qwen3.8 Max (0902) measured |
| LiveCodeBench (Vals AI) | 87.8% | Not measured | Only Qwen3.8 Max (0902) measured |
| SWE-bench Verified (Vals AI) | 85.6% | Not measured | Only Qwen3.8 Max (0902) measured |
| Terminal-Bench 4 (Vals AI) | 34.3% | 8.1% | Qwen3.8 Max (0902) |
| Vibe Code Bench (Vals AI) | 64.7% | 77.5% | Hy4 preview |
| Code migration (Vals AI) | 24.0% | 47.4% | Hy4 preview |
| ProgramBench (Vals AI) | 0.0% | 0.0% | Tie |
| IOI (Vals AI) | 68.9% | 59.3% | Qwen3.8 Max (0902) |
| Terminal-Bench 2.1 (Vals AI) | 67.4% | 55.1% | Qwen3.8 Max (0902) |
| SWE-bench Multimodal (Vals AI) | 42.5% | Not measured | Only Qwen3.8 Max (0902) measured |
| Vibe Code Bench 1-100 (Vals AI) | 12.8% | Not measured | Only Qwen3.8 Max (0902) measured |
| SkillsBench (Vals AI) | 42.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| CyberBench (Vals AI) | 28.6% | 65.4% | Hy4 preview |
| SciCode | 53.2% | Not measured | Only Qwen3.8 Max (0902) measured |
| FrontierSWE | 17.8% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: coding | 1502 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: software and IT | 1498 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena WebDev: React | 1692 | 1653 | Qwen3.8 Max (0902) |
| LMArena WebDev: HTML | 1649 | 1620 | Qwen3.8 Max (0902) |
| LMArena WebDev: from an image | 1637 | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 17 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| AA Intelligence Index | 45.4 | Not measured | Only Qwen3.8 Max (0902) measured |
| Epoch Capabilities Index | 157.4 | Not measured | Only Qwen3.8 Max (0902) measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index32
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| AA Agentic Index | 56.0 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: agents building web apps | 1300 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: agents building full-stack apps | 1305 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: agents building mobile apps | 1224 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: agents building Android apps | 1196 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: agents building Godot games | 1234 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: PowerPoint slides | 1233 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: spreadsheets | 967 | Not measured | Only Qwen3.8 Max (0902) measured |
| LiveBench research | 69.9% | Not measured | Only Qwen3.8 Max (0902) measured |
| LiveBench browser | 32.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| LiveBench long agentic | 42.3% | Not measured | Only Qwen3.8 Max (0902) measured |
| SREBench (Vals AI) | Not measured | 2.3% | Only Hy4 preview measured |
| Finance Agent (Vals AI) | 50.6% | 55.1% | Hy4 preview |
| Tax Agent Bench (Vals AI) | 32.1% | 32.6% | Hy4 preview |
| Legal Research Bench (Vals AI) | 47.6% | 45.2% | Qwen3.8 Max (0902) |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 8.8% | Only Hy4 preview measured |
| Excel Modeling Benchmark (Vals AI) | 60.1% | 58.1% | Qwen3.8 Max (0902) |
| BioMysteryBench (Vals AI) | Not measured | 69.3% | Only Hy4 preview measured |
| Terminal-Bench-Science (Vals AI) | 12.9% | 1.4% | Qwen3.8 Max (0902) |
| APEX-Agents | 63.3% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Search | 1261 | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 20 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index14 boards, none shared
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| GPQA Diamond | 93.7% | Not measured | Only Qwen3.8 Max (0902) measured |
| LiveBench reasoning | 88.2% | Not measured | Only Qwen3.8 Max (0902) measured |
| MysteryMechanism (Vals AI) | 23.9% | Not measured | Only Qwen3.8 Max (0902) measured |
| MMMU Pro (Vals AI) | 88.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| GPQA Diamond (Artificial Analysis run) | 92.8% | Not measured | Only Qwen3.8 Max (0902) measured |
| Humanity's Last Exam (Artificial Analysis run) | 43.1% | Not measured | Only Qwen3.8 Max (0902) measured |
| GPQA Diamond (Epoch AI run) | 92.7% | Not measured | Only Qwen3.8 Max (0902) measured |
| Chess puzzles | 46.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| Mystery game puzzles | 38.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: hard prompts | 1496 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: expert | 1507 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: hard prompts in English | 1503 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: diagrams | 1323 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: homework | 1336 | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 8 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| OTIS Mock AIME | 100.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| FrontierMath, tiers 1 to 3 | 74.7% | Not measured | Only Qwen3.8 Max (0902) measured |
| FrontierMath, tier 4 | 46.3% | Not measured | Only Qwen3.8 Max (0902) measured |
| ProofBench | 58.0% | 75.0% | Hy4 preview |
| LMArena Text: math | 1501 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: mathematical work | 1491 | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| MMLU Pro | 88.6% | Not measured | Only Qwen3.8 Max (0902) measured |
| LegalBench (Vals AI) | 83.6% | 83.8% | Hy4 preview |
| CorpFin (Vals AI) | 65.8% | Not measured | Only Qwen3.8 Max (0902) measured |
| TaxEval (Vals AI) | 75.5% | Not measured | Only Qwen3.8 Max (0902) measured |
| MortgageTax (Vals AI) | 64.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| MedCode (Vals AI) | 40.7% | 43.3% | Hy4 preview |
| SimpleQA Verified | 47.3% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: science | 1512 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: medicine and healthcare | 1503 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: legal and government | 1492 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: business and finance | 1480 | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 7 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| Design Arena: websites | 1275 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: UI components | 1338 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: game dev | 1312 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: data viz | 1281 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: 3D | 1336 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: all code categories | 1293 | Not measured | Only Qwen3.8 Max (0902) measured |
| Design Arena: ASCII art | 1200 | Not measured | Only Qwen3.8 Max (0902) measured |
| LiveBench design | 78.6% | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index11
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | Leader |
|---|---|---|---|
| Vals Index | Not measured | 53.2% | Only Hy4 preview measured |
| LiveBench data analysis | 78.4% | Not measured | Only Qwen3.8 Max (0902) measured |
| Public Benefits Bench (Vals AI) | 67.1% | 68.6% | Hy4 preview |
| SAGE (Vals AI) | 51.2% | Not measured | Only Qwen3.8 Max (0902) measured |
| MedScribe (Vals AI) | 85.0% | 83.6% | Qwen3.8 Max (0902) |
| Vals Multimodal Index | 65.4% | Not measured | Only Qwen3.8 Max (0902) measured |
| Long context reasoning (AA-LCR) | 80.3% | Not measured | Only Qwen3.8 Max (0902) measured |
| DTBench | 92.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMCA | 46.2% | Not measured | Only Qwen3.8 Max (0902) measured |
| Furniture assembly | 20.0% | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text | 1483 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: instruction following | 1481 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: creative writing | 1477 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision | 1313 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: English | 1491 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: non-English | 1473 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: Chinese | 1539 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: German | 1478 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: Japanese | 1473 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: Korean | 1460 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: French | 1498 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: Spanish | 1489 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: Russian | 1482 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: Polish | 1471 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: multi-turn | 1489 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: longer queries | 1488 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: writing and language | 1477 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Text: entertainment and media | 1464 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: English | 1311 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: Chinese | 1358 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: reading text | 1322 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: humor | 1304 | Not measured | Only Qwen3.8 Max (0902) measured |
| LMArena Vision: creative writing | 1312 | Not measured | Only Qwen3.8 Max (0902) measured |
| Neither model has a result on the other 13 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Qwen3.8 Max (0902) | Hy4 preview | 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
Hy4 preview costs less
Repository review
50K input + 3K output tokens
Hy4 preview costs less
Agent loop
200K input + 10K output tokens
Hy4 preview 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 | Qwen3.8 Max (0902) | Tencent Hy4 preview |
|---|---|---|
| Maker | Qwen | Tencent |
| Weights | No public weights listed | Open weights |
| Released | September 3, 2026 | August 28, 2026 |
| Context window | 1M | 1.05M |
| Input $/Mtok | $2.00 | $0.834 |
| Output $/Mtok | $6.00 | $2.501 |
| Coding index | 62.4 | 44.3 |
| Independent measurements behind it | 5 | 3 |
| Cost per solved task | $1.32 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Qwen3.8 Max (0902) better than Hy4 preview for coding?
Pick Qwen3.8 Max (0902) for coding: it scores 62.4 on the Vibe Coding Index against 44.3 for Hy4 preview. Pick Hy4 preview for output tokens 2.4x cheaper ($2.501 vs $6.00 per million) and a larger context window (1.05M against 1M tokens).
Which is cheaper, Qwen3.8 Max (0902) or Hy4 preview?
Qwen3.8 Max (0902) costs $2.00 per million input tokens and $6.00 per million output tokens; Hy4 preview costs $0.834 and $2.501. Cost per solved task is known for Qwen3.8 Max (0902) only.
Which has the bigger context window, Qwen3.8 Max (0902) or Hy4 preview?
Hy4 preview, with 1.05M tokens against 1M.
How many benchmarks is the Qwen3.8 Max (0902) vs Hy4 preview comparison based on?
20 benchmarks have a result for both models as of October 22, 2026. Qwen3.8 Max (0902)'s coding index rests on 5 independent benchmarks and Hy4 preview's on 3. Where only one model has a result, the page says so instead of naming a winner.