Qwen3.5-9B vs Qwen3 Coder Next
Qwen3.5-9B leads Qwen3 Coder Next on the Artificial Analysis Intelligence Index, 13.3 to 9.2, and Qwen3.5-9B costs 5.3x less per output token ($0.15 vs $0.80 per million). Updated October 21, 2026; 9 benchmarks have a result for both.
Qwen3.5-9B or Qwen3 Coder Next: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick Qwen3.5-9B for output tokens 5.3x cheaper ($0.15 vs $0.80 per million) and work measured by AA Coding Index or SciCode, where it leads.
- Shared results
- 9
- Qwen3.5-9B only
- 6
- Qwen3 Coder Next only
- 2
- 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
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
Qwen3.5-9B
Qwen3.5-9B leads, 13.3 against 9.2.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Qwen3 Coder Next has a AA Agentic Index result, 0.9.
Directional only
Long documents
Listed context window
No call
Both take 262K tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen3.5-9B
Qwen3.5-9B $0.0002, Qwen3 Coder Next $0.0005 per turn.
List prices
At a glance
- Coding index
- Qwen3.5-9B not benchmarked, Qwen3 Coder Next not benchmarked.
- Widest category
- General, 27.2 points apart on average over 2 shared benchmarks.
- Widest single gap
- IFBench: Qwen3.5-9B 66.7% against Qwen3 Coder Next 35.2%, 31.5 points apart on a 0 to 100 scale.
- Output price
- Qwen3.5-9B $0.15 against Qwen3 Coder Next $0.80 per million output tokens, 5.3x apart.
- Context window
- Both take 262K tokens.
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 | Qwen3.5-9B | Bars | Qwen3 Coder Next | Ties |
|---|---|---|---|---|
| Coding | 1 | 2 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 1 | 0 | ||
| Reasoning | 2 | 0 | ||
| General | 2 | 0 | ||
| All shared boards | 7 | 2 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index12
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| AA Coding Index | 23.5 | 36.2 | Qwen3 Coder Next |
| SciCode | 29.5% | 36.2% | Qwen3 Coder Next |
| Terminal-Bench Hard (Artificial Analysis run) | 24.2% | 18.2% | Qwen3.5-9B |
| Terminal-Bench | 9.2% | Not measured | Only Qwen3.5-9B measured |
| WeirdML | Not measured | 34.4% | Only Qwen3 Coder Next measured |
| Neither model has a result on the other 34 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| AA Intelligence Index | 13.3 | 9.2 | Qwen3.5-9B |
| Epoch Capabilities Index | 139.3 | Not measured | Only Qwen3.5-9B measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 0.9 | Only Qwen3 Coder Next measured |
| τ²-Bench Telecom | 86.8% | 79.5% | Qwen3.5-9B |
| Neither model has a result on the other 39 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 80.6% | 73.7% | Qwen3.5-9B |
| Humanity's Last Exam (Artificial Analysis run) | 14.9% | 10.1% | Qwen3.5-9B |
| GPQA Diamond (Epoch AI run) | 79.0% | Not measured | Only Qwen3.5-9B measured |
| Neither model has a result on the other 19 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| OTIS Mock AIME | 61.7% | Not measured | Only Qwen3.5-9B measured |
| Neither model has a result on the other 12 boards here | |||
KnowledgeNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| Neither model has a result on 18 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | Leader |
|---|---|---|---|
| IFBench | 66.7% | 35.2% | Qwen3.5-9B |
| Long context reasoning (AA-LCR) | 70.0% | 47.0% | Qwen3.5-9B |
| DTBench | 71.2% | Not measured | Only Qwen3.5-9B measured |
| LMCA | 24.5% | Not measured | Only Qwen3.5-9B measured |
| Neither model has a result on the other 42 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Qwen3.5-9B | Qwen3 Coder Next | 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
Qwen3.5-9B costs less
Repository review
50K input + 3K output tokens
Qwen3.5-9B costs less
Agent loop
200K input + 10K output tokens
Qwen3.5-9B 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 | Qwen3.5-9B | Qwen3 Coder Next |
|---|---|---|
| Maker | Qwen | Qwen |
| Weights | Open weights | Open weights |
| Released | March 10, 2026 | February 4, 2026 |
| Context window | 262K | 262K |
| Input $/Mtok | $0.10 | $0.12 |
| Output $/Mtok | $0.15 | $0.80 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Qwen3.5-9B better than Qwen3 Coder Next for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Qwen3.5-9B for output tokens 5.3x cheaper ($0.15 vs $0.80 per million) and work measured by AA Coding Index or SciCode, where it leads.
Which is cheaper, Qwen3.5-9B or Qwen3 Coder Next?
Qwen3.5-9B costs $0.10 per million input tokens and $0.15 per million output tokens; Qwen3 Coder Next costs $0.12 and $0.80. Cost per solved task is known for neither of them.
Which has the bigger context window, Qwen3.5-9B or Qwen3 Coder Next?
Neither: both take 262K tokens.
How many benchmarks is the Qwen3.5-9B vs Qwen3 Coder Next comparison based on?
9 benchmarks have a result for both models as of October 21, 2026. Qwen3.5-9B's coding index rests on 0 independent benchmarks and Qwen3 Coder Next's on 0. Where only one model has a result, the page says so instead of naming a winner.