Qwen3.6 Flash vs Hy4 preview
Qwen3.6 Flash costs 2.0x less per output token than Hy4 preview ($1.125 vs $2.2509 per million). Updated October 21, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $1.125
- Coding
- 44.3
- Overall
- No data
- Output $/M
- $2.2509
Qwen3.6 Flash or Hy4 preview: which to pick
Only Hy4 preview has a coding score, 44.3 on the Vibe Coding Index; Qwen3.6 Flash has none, so the two cannot be ranked on coding.
Pick Qwen3.6 Flash for output tokens 2.0x cheaper ($1.125 vs $2.2509 per million).
No benchmark has tested both yet. Qwen3.6 Flash has results on ALE-Bench, Epoch Capabilities Index and GPQA Diamond (Epoch AI run); Hy4 preview on LMArena WebDev, Terminal-Bench 4 (Vals AI) and Vibe Code Bench (Vals AI). Compare them on price and context instead.
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
No call
Only Hy4 preview has a coding score, so no call is made.
One side not measured
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
Qwen3.6 Flash
Qwen3.6 Flash $0.0008, Hy4 preview $0.0019 per turn.
List prices
At a glance
- Coding index
- Qwen3.6 Flash not benchmarked, Hy4 preview 44.3 from 3 benchmarks.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- Qwen3.6 Flash $1.125 against Hy4 preview $2.2509 per million output tokens, 2.0x apart.
- Context window
- Qwen3.6 Flash takes 1M tokens, Hy4 preview 1.05M.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index11 boards measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| LMArena WebDev | Not measured | 1631 | Only Hy4 preview measured |
| Terminal-Bench 4 (Vals AI) | Not measured | 8.1% | Only Hy4 preview measured |
| Vibe Code Bench (Vals AI) | Not measured | 77.5% | Only Hy4 preview measured |
| Code migration (Vals AI) | Not measured | 47.4% | Only Hy4 preview measured |
| ProgramBench (Vals AI) | Not measured | 0.0% | Only Hy4 preview measured |
| IOI (Vals AI) | Not measured | 59.3% | Only Hy4 preview measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 55.1% | Only Hy4 preview measured |
| CyberBench (Vals AI) | Not measured | 65.4% | Only Hy4 preview measured |
| ALE-Bench | 326.4 | Not measured | Only Qwen3.6 Flash measured |
| LMArena WebDev: React | Not measured | 1653 | Only Hy4 preview measured |
| LMArena WebDev: HTML | Not measured | 1620 | Only Hy4 preview measured |
| Neither model has a result on the other 28 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| Epoch Capabilities Index | 142.9 | Not measured | Only Qwen3.6 Flash measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index8 boards measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| SREBench (Vals AI) | Not measured | 2.3% | Only Hy4 preview measured |
| Finance Agent (Vals AI) | Not measured | 55.1% | Only Hy4 preview measured |
| Tax Agent Bench (Vals AI) | Not measured | 32.6% | Only Hy4 preview measured |
| Legal Research Bench (Vals AI) | Not measured | 45.2% | Only Hy4 preview measured |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 8.8% | Only Hy4 preview measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 58.1% | Only Hy4 preview measured |
| BioMysteryBench (Vals AI) | Not measured | 69.3% | Only Hy4 preview measured |
| Terminal-Bench-Science (Vals AI) | Not measured | 1.4% | Only Hy4 preview measured |
| Neither model has a result on the other 33 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| GPQA Diamond (Epoch AI run) | 83.3% | Not measured | Only Qwen3.6 Flash measured |
| SimpleBench | 35.2% | Not measured | Only Qwen3.6 Flash measured |
| Chess puzzles | 12.0% | Not measured | Only Qwen3.6 Flash measured |
| Mystery game puzzles | 18.0% | Not measured | Only Qwen3.6 Flash measured |
| Neither model has a result on the other 18 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index3 boards measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| OTIS Mock AIME | 84.4% | Not measured | Only Qwen3.6 Flash measured |
| FrontierMath, tiers 1 to 3 | 22.5% | Not measured | Only Qwen3.6 Flash measured |
| ProofBench | Not measured | 75.0% | Only Hy4 preview measured |
| Neither model has a result on the other 10 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index3 boards measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| LegalBench (Vals AI) | Not measured | 83.8% | Only Hy4 preview measured |
| MedCode (Vals AI) | Not measured | 43.3% | Only Hy4 preview measured |
| SimpleQA Verified | 15.9% | Not measured | Only Qwen3.6 Flash measured |
| Neither model has a result on the other 15 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
| Benchmark | Qwen3.6 Flash | Hy4 preview | Leader |
|---|---|---|---|
| Vals Index | Not measured | 53.2% | Only Hy4 preview measured |
| Public Benefits Bench (Vals AI) | Not measured | 68.6% | Only Hy4 preview measured |
| MedScribe (Vals AI) | Not measured | 83.6% | Only Hy4 preview measured |
| DTBench | 77.1% | Not measured | Only Qwen3.6 Flash measured |
| LMCA | 31.0% | Not measured | Only Qwen3.6 Flash measured |
| Neither model has a result on the other 41 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
Qwen3.6 Flash costs less
Repository review
50K input + 3K output tokens
Qwen3.6 Flash costs less
Agent loop
200K input + 10K output tokens
Qwen3.6 Flash 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 Flash | Tencent Hy4 preview |
|---|---|---|
| Maker | Qwen | Tencent |
| Weights | No public weights listed | Open weights |
| Released | April 27, 2026 | August 28, 2026 |
| Context window | 1M | 1.05M |
| Input $/Mtok | $0.1875 | $0.7506 |
| Output $/Mtok | $1.125 | $2.2509 |
| Coding index | Not benchmarked | 44.3 |
| Independent measurements behind it | 0 | 3 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Qwen3.6 Flash better than Hy4 preview for coding?
Only Hy4 preview has a coding score, 44.3 on the Vibe Coding Index; Qwen3.6 Flash has none, so the two cannot be ranked on coding. Pick Qwen3.6 Flash for output tokens 2.0x cheaper ($1.125 vs $2.2509 per million).
Which is cheaper, Qwen3.6 Flash or Hy4 preview?
Qwen3.6 Flash costs $0.1875 per million input tokens and $1.125 per million output tokens; Hy4 preview costs $0.7506 and $2.2509. Cost per solved task is known for neither of them.
Which has the bigger context window, Qwen3.6 Flash or Hy4 preview?
Hy4 preview, with 1.05M tokens against 1M.
Has any benchmark tested both Qwen3.6 Flash and Hy4 preview?
No benchmark has tested both yet. Qwen3.6 Flash has results on ALE-Bench, Epoch Capabilities Index and GPQA Diamond (Epoch AI run); Hy4 preview on LMArena WebDev, Terminal-Bench 4 (Vals AI) and Vibe Code Bench (Vals AI). Compare them on price and context instead. Data as of October 21, 2026.