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Qwen3 Coder Next [Q4_K_XL]
LM Studio
262K context<$0.01/M input<$0.01/M output
1263peak 1281
Avg Score
58.3
Avg Cost
<$0.01
Score/$
26686.5
Runs
41
Win/Loss/Draw
Scoring Dimensions
Score Distribution
Category ELOs
code-reviewmedium
1606debugginghard
1509code-review
1417debugging
1320frontendmedium
1277from-scratcheasy
1272backendhard
1261backend
1251backendmedium
1245from-scratch
1227from-scratchhard
1204frontend
1197backendexpert
1183full-stack
1076full-stackhard
1066code-reviewhard
1001debuggingexpert
951from-scratchexpert
936debuggingmedium
842multi-language
778refactoring
751frontendexpert
734frontendhard
710backendeasy
698from-scratchmedium
474refactoringexpert
0multi-languagehard
0All Results
| Task | Category | Score |
|---|---|---|
| Build real-time portfolio risk calculator | backend | 61.1 |
| Find and fix 4 hidden backdoors in Flask app | debugging | 83.8 |
| Fix race conditions in order matching engine | backend | 64.7 |
| Add rate limiting middleware | backend | 46.5 |
| Build production website with auth and members area | frontend | 54.3 |
| Implement background job scheduler with persistence | backend | 51.1 |
| Implement Stripe webhook handler | backend | 54.9 |
| Zero-downtime schema migration | full-stack | 62.0 |
| Build MCP server for database management | backend | 64.1 |
| Fix flaky test suite | debugging | 50.8 |
| Optimize slow Postgres queries in Flask app | backend | 75.1 |
| Add retry logic and dead letter queue to Python task queue | backend | 77.5 |
| Build terminal UI dashboard | from-scratch | 46.5 |
| Fix hallucination and context window bugs in RAG agent | backend | 60.6 |
| Fix 12 WCAG accessibility violations in checkout form | frontend | 65.7 |
| Write complex SQL report with window functions | backend | 66.5 |
| Fix auth bypass vulnerability | debugging | 93.7 |
| Add slash commands and moderation to Discord bot | backend | 56.7 |
| Fix data integrity bugs in denormalized e-commerce schema | debugging | 22.3 |
| Fix deadlocking transaction patterns in Flask app | backend | 37.5 |
| Add Redis caching layer to Express API | backend | 45.5 |
| Add virtual scrolling to table rendering 5000 rows | frontend | 39.3 |
| Refactor monolithic handler to CQRS | refactoring | 29.4 |
| Debug race condition in worker pool | debugging | 91.8 |
| Fix React hydration mismatch | frontend | 76.5 |
| Build SaaS admin dashboard from scratch | from-scratch | 60.9 |
| Add cursor-based pagination to REST API | backend | 44.5 |
| Fix memory leak in event handler | debugging | 56.7 |
| Implement transformer inference engine with KV cache | from-scratch | 67.7 |
| Write tests for untested legacy Flask service | code-review | 69.7 |
| Build LLM evaluation harness with structured grading | backend | 53.8 |
| Fix Node.js stream backpressure causing OOM on large files | backend | 84.4 |
| Write integration tests for payment flow | code-review | 64.2 |
| Add Google OAuth2 login to Express app | full-stack | 46.9 |
| Build materialized view refresh pipeline for analytics | backend | 51.5 |
| Build distributed node cluster with gossip protocol | from-scratch | 24.8 |
| Build CLI tool with subcommands and config | from-scratch | 58.2 |
| Debug and fix 6 broken database triggers and constraints | debugging | 69.3 |
| Add GraphQL layer over REST API | multi-language | 37.2 |
| Fix N+1 query in dashboard | backend | 45.5 |
| Build REST API from scratch | from-scratch | 76.5 |