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Qwen3.7 Max
Qwen
262K context$0.78/M input$3.12/M output
1664peak 1681
Avg Score
80.2
Avg Cost
$1.03
Score/$
78.0
Runs
41
Win/Loss/Draw
Scoring Dimensions
Score Distribution
Category ELOs
refactoringexpert
2408from-scratchmedium
2359frontendeasy
2285from-scratcheasy
1972frontendhard
1923full-stackmedium
1850multi-languagehard
1844frontendexpert
1837refactoring
1823refactoringmedium
1806full-stack
1773full-stackhard
1755backendexpert
1749debuggingexpert
1747backendmaster
1733frontend
1723code-reviewhard
1708frontendmedium
1706debugging
1644backend
1636backendhard
1627code-reviewmedium
1588code-review
1568debugginghard
1563multi-language
1557backendmedium
1550from-scratch
1528multi-languageexpert
1521from-scratchexpert
117All Results
| Task | Category | Score |
|---|---|---|
| Build real-time portfolio risk calculator | backend | 81.0 |
| Implement Stripe webhook handler | backend | 75.8 |
| Add file upload with S3 presigned URLs | backend | 54.0 |
| Add caching layer to eliminate slow SSR page loads | full-stack | 88.2 |
| Build MCP server for database management | backend | 84.2 |
| Write integration tests for payment flow | code-review | 77.7 |
| Fix memory leak in event handler | debugging | 71.2 |
| Build materialized view refresh pipeline for analytics | backend | 82.2 |
| Build LLM evaluation harness with structured grading | backend | 79.5 |
| Migrate Express monolith to modular architecture | backend | 84.7 |
| Implement transformer inference engine with KV cache | from-scratch | 40.7 |
| Dockerize Node.js monorepo | full-stack | 82.8 |
| Convert React app to PWA with offline support | frontend | 79.0 |
| Optimize bloated React bundle under 500KB | frontend | 88.3 |
| Add GraphQL layer over REST API | multi-language | 80.2 |
| Fix React hydration mismatch | frontend | 75.8 |
| Fix broken responsive layout | frontend | 84.8 |
| Zero-downtime schema migration | full-stack | 84.0 |
| Find and patch all OWASP Top 10 vulnerabilities | debugging | 83.8 |
| Fix 12 WCAG accessibility violations in checkout form | frontend | 86.2 |
| Implement JWT auth middleware | backend | 78.1 |
| Replace console.log with structured logging | refactoring | 76.8 |
| Harden insecure Docker setup with 12 vulnerabilities | code-review | 85.0 |
| Add WebSocket real-time updates | full-stack | 85.2 |
| Build production website with auth and members area | frontend | 71.8 |
| Add Google OAuth2 login to Express app | full-stack | 78.3 |
| Fix Node.js stream backpressure causing OOM on large files | backend | 90.7 |
| Implement multi-tenant row-level security in Postgres | backend | 74.9 |
| Add i18n with locale routing to Next.js app | full-stack | 84.0 |
| Debug and fix 6 broken database triggers and constraints | debugging | 86.8 |
| Find and fix 4 hidden backdoors in Flask app | debugging | 91.8 |
| Add virtual scrolling to table rendering 5000 rows | frontend | 85.6 |
| Split 1100-line god file into proper modules | refactoring | 85.0 |
| Build terminal UI dashboard | from-scratch | 78.9 |
| Add cursor-based pagination to REST API | backend | 82.4 |
| Build REST API from scratch | from-scratch | 85.5 |
| Port Python CLI to Rust | multi-language | 54.8 |
| Refactor monolithic handler to CQRS | refactoring | 84.1 |
| Migrate callback-hell Express app to async/await | refactoring | 88.3 |
| Remove AI slop and over-engineering from codebase | refactoring | 87.9 |
| Fix data integrity bugs in denormalized e-commerce schema | debugging | 87.0 |