Claude Haiku 4.5 vs Qwen3.7 Plus
Claude Haiku 4.5 leads Qwen3.7 Plus on coding, 35.6 to 33.2 on the Vibe Coding Index, and Qwen3.7 Plus costs 3.9x less per output token ($1.28 vs $5.00 per million). Updated October 22, 2026; 55 benchmarks have a result for both.
Claude Haiku 4.5 or Qwen3.7 Plus: which to pick
Pick Claude Haiku 4.5 for coding: it scores 35.6 on the Vibe Coding Index against 33.2 for Qwen3.7 Plus.
Pick Qwen3.7 Plus for output tokens 3.9x cheaper ($1.28 vs $5.00 per million) and a larger context window (1M against 200K tokens).
- Shared results
- 55
- Claude Haiku 4.5 only
- 40
- Qwen3.7 Plus only
- 20
- Like-for-like categories
- 8 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
Claude Haiku 4.5
Claude Haiku 4.5 scores 35.6 against 33.2.
4 and 2 benchmarks behind the scores
Intelligence
AA Intelligence Index
Qwen3.7 Plus
Qwen3.7 Plus leads, 25.2 against 16.9.
Same board, both measured
Agentic work
AA Agentic Index
Qwen3.7 Plus
Qwen3.7 Plus leads, 17.5 against 8.0.
Same board, both measured
Reasoning
GPQA Diamond
No call
Only Claude Haiku 4.5 has a GPQA Diamond result, 72.2%.
Directional only
Math
AIME
No call
Only Claude Haiku 4.5 has a AIME result, 82.7%.
Directional only
Knowledge
MMLU Pro
No call
Only Claude Haiku 4.5 has a MMLU Pro result, 78.7%.
Directional only
Web design
Design Arena: websites
Qwen3.7 Plus
Qwen3.7 Plus leads, 1269 against 1122.
Same board, both measured
Long documents
Listed context window
Qwen3.7 Plus
Qwen3.7 Plus takes 1M tokens against 200K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen3.7 Plus
Claude Haiku 4.5 $0.0035, Qwen3.7 Plus $0.0010 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Claude Haiku 4.5 has the number, $0.56.
Directional only
At a glance
- Coding index
- Claude Haiku 4.5 35.6 from 4 benchmarks, Qwen3.7 Plus 33.2 from 2 benchmarks.
- Widest category
- Web design, 17.7 points apart on average over 8 shared benchmarks.
- Widest single gap
- Vibe Code Bench (Vals AI): Claude Haiku 4.5 11.4% against Qwen3.7 Plus 46.4%, 35.0 points apart on a 0 to 100 scale.
- Output price
- Claude Haiku 4.5 $5.00 against Qwen3.7 Plus $1.28 per million output tokens, 3.9x apart.
- Context window
- Claude Haiku 4.5 takes 200K tokens, Qwen3.7 Plus 1M.
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 | Claude Haiku 4.5 | Bars | Qwen3.7 Plus | Ties |
|---|---|---|---|---|
| Coding | 0 | 6 | ||
| Intelligence | 0 | 2 | ||
| Agentic work | 0 | 5 | ||
| Reasoning | 0 | 4 | ||
| Math | 0 | 3 | ||
| Knowledge | 0 | 5 | ||
| Web design | 0 | 8 | ||
| General | 0 | 22 | ||
| All shared boards | 0 | 55 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index06
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| SWE-bench Verified | 66.6% | Not measured | Only Claude Haiku 4.5 measured |
| SWE-bench Multilingual | 64.7% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench coding | 48.1% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena WebDev | 1330 | Not measured | Only Claude Haiku 4.5 measured |
| AA Coding Index | 43.9 | 55.9 | Qwen3.7 Plus |
| LiveCodeBench (Vals AI) | 41.2% | Not measured | Only Claude Haiku 4.5 measured |
| SWE-bench Verified (Vals AI) | 66.6% | Not measured | Only Claude Haiku 4.5 measured |
| Vibe Code Bench (Vals AI) | 11.4% | 46.4% | Qwen3.7 Plus |
| Code migration (Vals AI) | 7.5% | 12.9% | Qwen3.7 Plus |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Claude Haiku 4.5 measured |
| Terminal-Bench 2.1 (Vals AI) | 43.8% | 52.8% | Qwen3.7 Plus |
| SkillsBench (Vals AI) | Not measured | 54.3% | Only Qwen3.7 Plus measured |
| SciCode | Not measured | 46.1% | Only Qwen3.7 Plus measured |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 47.0% | Only Qwen3.7 Plus measured |
| Terminal-Bench | 35.5% | Not measured | Only Claude Haiku 4.5 measured |
| FrontierCode | Not measured | 10.2% | Only Qwen3.7 Plus measured |
| WeirdML | 45.4% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text: coding | 1454 | 1473 | Qwen3.7 Plus |
| LMArena Text: software and IT | 1439 | 1473 | Qwen3.7 Plus |
| LMArena WebDev: React | 1326 | Not measured | Only Claude Haiku 4.5 measured |
| LMArena WebDev: HTML | 1318 | Not measured | Only Claude Haiku 4.5 measured |
| Neither model has a result on the other 18 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| AA Intelligence Index | 16.9 | 25.2 | Qwen3.7 Plus |
| Epoch Capabilities Index | 142.2 | 147.0 | Qwen3.7 Plus |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index05
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| AA Agentic Index | 8.0 | 17.5 | Qwen3.7 Plus |
| LiveBench research | 42.2% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench browser | 40.0% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench long agentic | 11.1% | Not measured | Only Claude Haiku 4.5 measured |
| Finance Agent (Vals AI) | 31.0% | 38.2% | Qwen3.7 Plus |
| Tax Agent Bench (Vals AI) | 5.9% | 10.5% | Qwen3.7 Plus |
| Legal Research Bench (Vals AI) | 10.6% | 16.4% | Qwen3.7 Plus |
| Excel Modeling Benchmark (Vals AI) | 22.7% | 49.3% | Qwen3.7 Plus |
| τ²-Bench Telecom | Not measured | 93.0% | Only Qwen3.7 Plus measured |
| OSWorld 2.0 | Not measured | 2.8% | Only Qwen3.7 Plus measured |
| BALROG | 31.2% | Not measured | Only Claude Haiku 4.5 measured |
| DeepResearch Bench | 45.5% | Not measured | Only Claude Haiku 4.5 measured |
| Vending-Bench 2 | $459 | Not measured | Only Claude Haiku 4.5 measured |
| Berkeley Function Calling Leaderboard (BFCL) | 68.7% | Not measured | Only Claude Haiku 4.5 measured |
| Neither model has a result on the other 27 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index04
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| GPQA Diamond | 72.2% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench reasoning | 61.7% | Not measured | Only Claude Haiku 4.5 measured |
| MMMU Pro (Vals AI) | 46.1% | Not measured | Only Claude Haiku 4.5 measured |
| GPQA Diamond (Artificial Analysis run) | Not measured | 90.0% | Only Qwen3.7 Plus measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 35.6% | Only Qwen3.7 Plus measured |
| GPQA Diamond (Epoch AI run) | 71.2% | 87.9% | Qwen3.7 Plus |
| ARC-AGI | 47.7% | Not measured | Only Claude Haiku 4.5 measured |
| ARC-AGI-2 | 4.0% | Not measured | Only Claude Haiku 4.5 measured |
| Chess puzzles | 8.0% | Not measured | Only Claude Haiku 4.5 measured |
| Mystery game puzzles | Not measured | 17.0% | Only Qwen3.7 Plus measured |
| LMArena Text: hard prompts | 1421 | 1460 | Qwen3.7 Plus |
| LMArena Text: expert | 1443 | 1466 | Qwen3.7 Plus |
| LMArena Text: hard prompts in English | 1435 | 1460 | Qwen3.7 Plus |
| LMArena Vision: diagrams | Not measured | 1292 | Only Qwen3.7 Plus measured |
| LMArena Vision: homework | Not measured | 1295 | Only Qwen3.7 Plus measured |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| AIME | 82.7% | Not measured | Only Claude Haiku 4.5 measured |
| MGSM (Vals AI) | 92.2% | Not measured | Only Claude Haiku 4.5 measured |
| OTIS Mock AIME | 66.7% | 93.3% | Qwen3.7 Plus |
| FrontierMath, tiers 1 to 3 | Not measured | 34.4% | Only Qwen3.7 Plus measured |
| MATH level 5 | 96.4% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text: math | 1398 | 1467 | Qwen3.7 Plus |
| LMArena Text: mathematical work | 1430 | 1470 | Qwen3.7 Plus |
| Neither model has a result on the other 6 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index05
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| MMLU Pro | 78.7% | Not measured | Only Claude Haiku 4.5 measured |
| LegalBench (Vals AI) | 81.2% | Not measured | Only Claude Haiku 4.5 measured |
| CaseLaw (Vals AI) | 56.5% | Not measured | Only Claude Haiku 4.5 measured |
| CorpFin (Vals AI) | 60.6% | Not measured | Only Claude Haiku 4.5 measured |
| TaxEval (Vals AI) | 67.5% | Not measured | Only Claude Haiku 4.5 measured |
| MortgageTax (Vals AI) | 62.2% | 66.2% | Qwen3.7 Plus |
| MedQA (Vals AI) | 79.6% | Not measured | Only Claude Haiku 4.5 measured |
| MedCode (Vals AI) | 32.7% | Not measured | Only Claude Haiku 4.5 measured |
| SimpleQA Verified | 13.2% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text: science | 1406 | 1464 | Qwen3.7 Plus |
| LMArena Text: medicine and healthcare | 1394 | 1464 | Qwen3.7 Plus |
| LMArena Text: legal and government | 1400 | 1451 | Qwen3.7 Plus |
| LMArena Text: business and finance | 1400 | 1435 | Qwen3.7 Plus |
| Neither model has a result on the other 5 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index08
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| Design Arena: websites | 1122 | 1269 | Qwen3.7 Plus |
| Design Arena: UI components | 1097 | 1258 | Qwen3.7 Plus |
| Design Arena: game dev | 1097 | 1261 | Qwen3.7 Plus |
| Design Arena: data viz | 1124 | 1276 | Qwen3.7 Plus |
| Design Arena: 3D | 1071 | 1238 | Qwen3.7 Plus |
| Design Arena: all code categories | 1114 | 1269 | Qwen3.7 Plus |
| Design Arena: SVG | 1025 | 1208 | Qwen3.7 Plus |
| Design Arena: ASCII art | 1140 | 1143 | Qwen3.7 Plus |
| LiveBench design | 59.9% | Not measured | Only Claude Haiku 4.5 measured |
GeneralLike-for-likePublic boards, shown as published, kept out of the index022
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | Leader |
|---|---|---|---|
| LiveBench data analysis | 59.3% | Not measured | Only Claude Haiku 4.5 measured |
| Public Benefits Bench (Vals AI) | 54.3% | Not measured | Only Claude Haiku 4.5 measured |
| SAGE (Vals AI) | 31.8% | 39.3% | Qwen3.7 Plus |
| MedScribe (Vals AI) | 85.2% | Not measured | Only Claude Haiku 4.5 measured |
| Vals Multimodal Index | 42.9% | 53.9% | Qwen3.7 Plus |
| IFBench | Not measured | 78.0% | Only Qwen3.7 Plus measured |
| Long context reasoning (AA-LCR) | Not measured | 73.0% | Only Qwen3.7 Plus measured |
| DTBench | 73.6% | 84.0% | Qwen3.7 Plus |
| LMCA | 30.9% | 37.6% | Qwen3.7 Plus |
| ExploitBench | 13.7% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text | 1397 | 1454 | Qwen3.7 Plus |
| LMArena Text: instruction following | 1414 | 1439 | Qwen3.7 Plus |
| LMArena Text: creative writing | 1371 | 1438 | Qwen3.7 Plus |
| LMArena Vision | Not measured | 1278 | Only Qwen3.7 Plus measured |
| LMArena Text: English | 1414 | 1458 | Qwen3.7 Plus |
| LMArena Text: non-English | 1377 | 1445 | Qwen3.7 Plus |
| LMArena Text: Chinese | 1418 | 1509 | Qwen3.7 Plus |
| LMArena Text: German | 1374 | 1471 | Qwen3.7 Plus |
| LMArena Text: Japanese | 1338 | 1412 | Qwen3.7 Plus |
| LMArena Text: Korean | 1346 | 1413 | Qwen3.7 Plus |
| LMArena Text: French | 1411 | 1472 | Qwen3.7 Plus |
| LMArena Text: Spanish | 1421 | 1457 | Qwen3.7 Plus |
| LMArena Text: Russian | 1381 | 1457 | Qwen3.7 Plus |
| LMArena Text: Polish | 1343 | 1449 | Qwen3.7 Plus |
| LMArena Text: multi-turn | 1409 | 1459 | Qwen3.7 Plus |
| LMArena Text: longer queries | 1427 | 1454 | Qwen3.7 Plus |
| LMArena Text: writing and language | 1386 | 1437 | Qwen3.7 Plus |
| LMArena Text: entertainment and media | 1369 | 1422 | Qwen3.7 Plus |
| LMArena Vision: English | Not measured | 1280 | Only Qwen3.7 Plus measured |
| LMArena Vision: Chinese | Not measured | 1332 | Only Qwen3.7 Plus measured |
| LMArena Vision: reading text | Not measured | 1288 | Only Qwen3.7 Plus measured |
| LMArena Vision: humor | Not measured | 1261 | Only Qwen3.7 Plus measured |
| LMArena Vision: creative writing | Not measured | 1258 | Only Qwen3.7 Plus measured |
| LMArena Document | 1420 | 1444 | Qwen3.7 Plus |
| Neither model has a result on the other 12 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Claude Haiku 4.5 | Qwen3.7 Plus | 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
Qwen3.7 Plus costs less
Repository review
50K input + 3K output tokens
Qwen3.7 Plus costs less
Agent loop
200K input + 10K output tokens
Qwen3.7 Plus 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 | Anthropic Claude Haiku 4.5 | Qwen3.7 Plus |
|---|---|---|
| Maker | Anthropic | Qwen |
| Weights | No public weights listed | No public weights listed |
| Released | October 15, 2025 | June 3, 2026 |
| Context window | 200K | 1M |
| Input $/Mtok | $1.00 | $0.32 |
| Output $/Mtok | $5.00 | $1.28 |
| Coding index | 35.6 | 33.2 |
| Independent measurements behind it | 4 | 2 |
| Cost per solved task | $0.56 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Claude Haiku 4.5 better than Qwen3.7 Plus for coding?
Pick Claude Haiku 4.5 for coding: it scores 35.6 on the Vibe Coding Index against 33.2 for Qwen3.7 Plus. Pick Qwen3.7 Plus for output tokens 3.9x cheaper ($1.28 vs $5.00 per million) and a larger context window (1M against 200K tokens).
Which is cheaper, Claude Haiku 4.5 or Qwen3.7 Plus?
Claude Haiku 4.5 costs $1.00 per million input tokens and $5.00 per million output tokens; Qwen3.7 Plus costs $0.32 and $1.28. Cost per solved task is known for Claude Haiku 4.5 only.
Which has the bigger context window, Claude Haiku 4.5 or Qwen3.7 Plus?
Qwen3.7 Plus, with 1M tokens against 200K.
How many benchmarks is the Claude Haiku 4.5 vs Qwen3.7 Plus comparison based on?
55 benchmarks have a result for both models as of October 22, 2026. Claude Haiku 4.5's coding index rests on 4 independent benchmarks and Qwen3.7 Plus's on 2. Where only one model has a result, the page says so instead of naming a winner.