Qwen3.5-Flash vs Inkling
Updated October 21, 2026. 52 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick Inkling for coding: it scores 49.7 on the Vibe Coding Index against 6.2 for Qwen3.5-Flash.
Pick Qwen3.5-Flash when output tokens cost 15.6x less, or when a solved task costs $0.40 against $0.76.
- Shared results
- 52
- Qwen3.5-Flash only
- 3
- Inkling only
- 50
- Like-for-like categories
- 6 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
Inkling
Inkling scores 49.7 against 6.2.
1 and 2 benchmarks behind the scores
Intelligence
AA Intelligence Index
No call
Only Inkling has a AA Intelligence Index result, 25.0.
Directional only
Agentic work
AA Agentic Index
No call
Only Inkling has a AA Agentic Index result, 22.5.
Directional only
Reasoning
GPQA Diamond
Inkling
Inkling leads, 87.1% against 82.8%.
Same board, both measured
Math
AIME
No call
Only Qwen3.5-Flash has a AIME result, 92.5%.
Directional only
Knowledge
MMLU Pro
Inkling
Inkling leads, 86.3% against 84.1%.
Same board, both measured
Web design
Design Arena: websites
No call
Only Inkling has a Design Arena: websites result, 1224.
Directional only
General
Vals Index
No call
Only Inkling has a Vals Index result, 29.0%.
Directional only
Long documents
Listed context window
Qwen3.5-Flash
Qwen3.5-Flash takes 1M tokens against 524K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen3.5-Flash
Qwen3.5-Flash $0.0002, Inkling $0.0030 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
Qwen3.5-Flash
Qwen3.5-Flash $0.40, Inkling $0.76.
Published attempt cost and pass rate
At a glance
- Coding index
- Qwen3.5-Flash 6.2 from 1 benchmark, Inkling 49.7 from 2 benchmarks.
- Widest category
- Coding, 15.8 points apart on average over 8 shared benchmarks.
- Widest single gap
- LMArena WebDev: React: Qwen3.5-Flash 1229 against Inkling 1404, 29.1 points apart on a 0 to 100 scale.
- Output price
- Qwen3.5-Flash $0.26 against Inkling $4.05 per million output tokens, 15.6x apart.
- Context window
- Qwen3.5-Flash takes 1M tokens, Inkling 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 | Qwen3.5-Flash | Bars | Inkling | Ties |
|---|---|---|---|---|
| Coding | 0 | 8 | ||
| Intelligence | 0 | 1 | ||
| Reasoning | 1 | 6 | ||
| Math | 0 | 4 | ||
| Knowledge | 2 | 9 | ||
| General | 1 | 20 | ||
| All shared boards | 4 | 48 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index08
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| LiveBench coding | Not measured | 64.0% | Only Inkling measured |
| LMArena WebDev | 1244 | 1414 | Inkling |
| AA Coding Index | Not measured | 52.1 | Only Inkling measured |
| LiveCodeBench (Vals AI) | 83.3% | 85.5% | Inkling |
| SWE-bench Verified (Vals AI) | 64.4% | 77.6% | Inkling |
| Terminal-Bench 4 (Vals AI) | Not measured | 0.5% | Only Inkling measured |
| Vibe Code Bench (Vals AI) | Not measured | 19.2% | Only Inkling measured |
| Code migration (Vals AI) | Not measured | 11.8% | Only Inkling measured |
| ProgramBench (Vals AI) | Not measured | 0.0% | Only Inkling measured |
| IOI (Vals AI) | Not measured | 14.9% | Only Inkling measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 47.6% | Only Inkling measured |
| Vibe Code Bench 1-100 (Vals AI) | Not measured | 7.3% | Only Inkling measured |
| SkillsBench (Vals AI) | Not measured | 26.1% | Only Inkling measured |
| CyberBench (Vals AI) | Not measured | 66.8% | Only Inkling measured |
| SciCode | Not measured | 47.0% | Only Inkling measured |
| FrontierCode | Not measured | 14.0% | Only Inkling measured |
| FrontierSWE | Not measured | 4.1% | Only Inkling measured |
| WeirdML | Not measured | 32.3% | Only Inkling measured |
| ALE-Bench | 265.9 | 946.0 | Inkling |
| LMArena Text: coding | 1412 | 1466 | Inkling |
| LMArena Text: software and IT | 1416 | 1465 | Inkling |
| LMArena WebDev: React | 1229 | 1404 | Inkling |
| LMArena WebDev: HTML | 1291 | 1399 | Inkling |
| Neither model has a result on the other 15 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| AA Intelligence Index | Not measured | 25.0 | Only Inkling measured |
| Epoch Capabilities Index | 143.5 | 148.4 | Inkling |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index12 boards, none shared
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 22.5 | Only Inkling measured |
| Design Arena: agents building web apps | Not measured | 1196 | Only Inkling measured |
| LiveBench research | Not measured | 59.9% | Only Inkling measured |
| LiveBench browser | Not measured | 16.0% | Only Inkling measured |
| LiveBench long agentic | Not measured | 14.1% | Only Inkling measured |
| SREBench (Vals AI) | Not measured | 0.0% | Only Inkling measured |
| Finance Agent (Vals AI) | Not measured | 46.6% | Only Inkling measured |
| Tax Agent Bench (Vals AI) | Not measured | 15.3% | Only Inkling measured |
| Legal Research Bench (Vals AI) | Not measured | 28.4% | Only Inkling measured |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 3.8% | Only Inkling measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 38.4% | Only Inkling measured |
| APEX-Agents | Not measured | 33.8% | Only Inkling measured |
| Neither model has a result on the other 27 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index16
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| GPQA Diamond | 82.8% | 87.1% | Inkling |
| LiveBench reasoning | Not measured | 78.3% | Only Inkling measured |
| MMMU Pro (Vals AI) | 81.9% | 78.5% | Qwen3.5-Flash |
| GPQA Diamond (Artificial Analysis run) | Not measured | 87.2% | Only Inkling measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 31.9% | Only Inkling measured |
| GPQA Diamond (Epoch AI run) | 82.3% | 88.3% | Inkling |
| ARC-AGI | Not measured | 79.5% | Only Inkling measured |
| ARC-AGI-2 | Not measured | 36.5% | Only Inkling measured |
| SimpleBench | Not measured | 50.0% | Only Inkling measured |
| Chess puzzles | 14.0% | 21.0% | Inkling |
| Mystery game puzzles | 20.0% | Not measured | Only Qwen3.5-Flash measured |
| LMArena Text: hard prompts | 1403 | 1451 | Inkling |
| LMArena Text: expert | 1407 | 1466 | Inkling |
| LMArena Text: hard prompts in English | 1409 | 1448 | Inkling |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index04
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| AIME | 92.5% | Not measured | Only Qwen3.5-Flash measured |
| OTIS Mock AIME | 84.4% | 88.9% | Inkling |
| FrontierMath, tiers 1 to 3 | 18.2% | 33.3% | Inkling |
| FrontierMath, tier 4 | Not measured | 4.9% | Only Inkling measured |
| ProofBench | Not measured | 0.0% | Only Inkling measured |
| LMArena Text: math | 1407 | 1479 | Inkling |
| LMArena Text: mathematical work | 1413 | 1460 | Inkling |
| Neither model has a result on the other 6 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index29
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| MMLU Pro | 84.1% | 86.3% | Inkling |
| LegalBench (Vals AI) | 84.3% | 83.0% | Qwen3.5-Flash |
| CaseLaw (Vals AI) | 56.0% | Not measured | Only Qwen3.5-Flash measured |
| CorpFin (Vals AI) | 63.6% | 68.6% | Inkling |
| TaxEval (Vals AI) | 72.2% | 75.3% | Inkling |
| MortgageTax (Vals AI) | 67.4% | 64.0% | Qwen3.5-Flash |
| MedCode (Vals AI) | 33.0% | 41.2% | Inkling |
| SimpleQA Verified | 20.3% | 40.3% | Inkling |
| LMArena Text: science | 1415 | 1455 | Inkling |
| LMArena Text: medicine and healthcare | 1407 | 1447 | Inkling |
| LMArena Text: legal and government | 1398 | 1448 | Inkling |
| LMArena Text: business and finance | 1394 | 1438 | Inkling |
| Neither model has a result on the other 5 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index9 boards, none shared
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| Design Arena: websites | Not measured | 1224 | Only Inkling measured |
| Design Arena: UI components | Not measured | 1200 | Only Inkling measured |
| Design Arena: game dev | Not measured | 1166 | Only Inkling measured |
| Design Arena: data viz | Not measured | 1160 | Only Inkling measured |
| Design Arena: 3D | Not measured | 1161 | Only Inkling measured |
| Design Arena: all code categories | Not measured | 1206 | Only Inkling measured |
| Design Arena: SVG | Not measured | 1109 | Only Inkling measured |
| Design Arena: ASCII art | Not measured | 1089 | Only Inkling measured |
| LiveBench design | Not measured | 58.3% | Only Inkling measured |
GeneralLike-for-likePublic boards, shown as published, kept out of the index120
| Benchmark | Qwen3.5-Flash | Inkling | Leader |
|---|---|---|---|
| Vals Index | Not measured | 29.0% | Only Inkling measured |
| LiveBench data analysis | Not measured | 72.8% | Only Inkling measured |
| Public Benefits Bench (Vals AI) | Not measured | 58.5% | Only Inkling measured |
| SAGE (Vals AI) | 42.5% | 36.5% | Qwen3.5-Flash |
| MedScribe (Vals AI) | 70.6% | 85.4% | Inkling |
| Vals Multimodal Index | Not measured | 49.4% | Only Inkling measured |
| Long context reasoning (AA-LCR) | Not measured | 77.3% | Only Inkling measured |
| DTBench | 82.9% | 87.5% | Inkling |
| LMCA | 29.1% | 37.6% | Inkling |
| LMArena Text | 1397 | 1442 | Inkling |
| LMArena Text: instruction following | 1374 | 1425 | Inkling |
| LMArena Text: creative writing | 1343 | 1390 | Inkling |
| LMArena Text: English | 1404 | 1442 | Inkling |
| LMArena Text: non-English | 1385 | 1434 | Inkling |
| LMArena Text: Chinese | 1445 | 1493 | Inkling |
| LMArena Text: German | 1390 | 1445 | Inkling |
| LMArena Text: Japanese | 1369 | 1429 | Inkling |
| LMArena Text: Korean | 1344 | 1403 | Inkling |
| LMArena Text: French | 1413 | 1455 | Inkling |
| LMArena Text: Spanish | 1400 | 1449 | Inkling |
| LMArena Text: Russian | 1380 | 1430 | Inkling |
| LMArena Text: Polish | 1376 | 1450 | Inkling |
| LMArena Text: multi-turn | 1393 | 1437 | Inkling |
| LMArena Text: longer queries | 1392 | 1435 | Inkling |
| LMArena Text: writing and language | 1369 | 1404 | Inkling |
| LMArena Text: entertainment and media | 1347 | 1394 | Inkling |
| Neither model has a result on the other 20 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Qwen3.5-Flash | Inkling | 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-Flash costs less
Repository review
50K input + 3K output tokens
Qwen3.5-Flash costs less
Agent loop
200K input + 10K output tokens
Qwen3.5-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 | Qwen3.5-Flash | Thinking Machines Inkling |
|---|---|---|
| Maker | Qwen | Thinking Machines |
| Weights | No public weights listed | Open weights |
| Released | February 25, 2026 | July 17, 2026 |
| Context window | 1M | 524K |
| Input $/Mtok | $0.065 | $1.00 |
| Output $/Mtok | $0.26 | $4.05 |
| Coding index | 6.2 | 49.7 |
| Independent measurements behind it | 1 | 2 |
| Cost per solved task | $0.40 | $0.76 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Qwen3.5-Flash better than Inkling for coding?
Pick Inkling for coding: it scores 49.7 on the Vibe Coding Index against 6.2 for Qwen3.5-Flash. Pick Qwen3.5-Flash when output tokens cost 15.6x less, or when a solved task costs $0.40 against $0.76.
Which is cheaper, Qwen3.5-Flash or Inkling?
Qwen3.5-Flash costs $0.065 per million input tokens and $0.26 per million output tokens; Inkling costs $1.00 and $4.05. Per solved SWE-bench Verified task, Qwen3.5-Flash costs $0.40 and Inkling $0.76.
Which has the bigger context window, Qwen3.5-Flash or Inkling?
Qwen3.5-Flash, with 1M tokens against 524K.
How many benchmarks is the Qwen3.5-Flash vs Inkling comparison based on?
52 benchmarks have a result for both models as of October 21, 2026. Qwen3.5-Flash's coding index rests on 1 independent benchmark and Inkling's on 2. Where only one model has a result, the page says so instead of naming a winner.