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GLM 4.7 [Q4_K_XL]
LM Studio
200K context$0.60/M input$2.20/M output
1578peak 1607
Avg Score
71.4
Avg Cost
$0.04
Score/$
2029.5
Runs
65
Win/Loss/Draw
Scoring Dimensions
Score Distribution
Category ELOs
multi-language2400
from-scratch2383
multi-language2255
frontend2237
backend2096
frontend1930
from-scratch1898
multi-language1884
refactoring1884
from-scratch1858
frontend1695
from-scratch1669
full-stack1666
full-stack1652
full-stack1649
frontend1631
backend1627
frontend1622
from-scratch1606
backend1601
debugging1588
backend1570
refactoring1548
refactoring1530
debugging1513
debugging1507
backend1499
code-review1411
code-review1389
debugging1386
code-review1172
All Results
| Task | Category | Score |
|---|---|---|
| Build production website with auth and members area | frontend | 67.5 |
| Fix data integrity bugs in denormalized e-commerce schema | debugging | 63.4 |
| Build LLM evaluation harness with structured grading | backend | 74.4 |
| Implement zero-trust API authentication layer | backend | 74.0 |
| Build MCP server for database management | backend | 57.4 |
| Implement background job scheduler with persistence | backend | 73.1 |
| Fix hallucination and context window bugs in RAG agent | backend | 64.4 |
| Build SaaS admin dashboard from scratch | from-scratch | 73.6 |
| Implement transformer inference engine with KV cache | from-scratch | 87.5 |
| Build real-time portfolio risk calculator | backend | 58.9 |
| Find and patch all OWASP Top 10 vulnerabilities | debugging | 68.2 |
| Build codebase indexer for LLM context windows | from-scratch | 62.3 |
| Build CLI tool with subcommands and config | from-scratch | 47.6 |
| Fix race conditions in order matching engine | backend | 80.1 |
| Build materialized view refresh pipeline for analytics | backend | 70.9 |
| Implement multi-tenant row-level security in Postgres | backend | 62.6 |
| Fix deadlocking transaction patterns in Flask app | backend | 62.4 |
| Debug and fix 6 broken database triggers and constraints | debugging | 68.1 |
| Write complex SQL report with window functions | backend | 71.5 |
| Add file upload with S3 presigned URLs | backend | 76.5 |
| Harden insecure Docker setup with 12 vulnerabilities | code-review | 79.0 |
| Find and fix 4 hidden backdoors in Flask app | debugging | 88.5 |
| Add streaming SSE endpoint for LLM chat | backend | 79.7 |
| Build RAG pipeline with vector search | backend | 70.2 |
| Add Redis caching layer to Express API | backend | 50.9 |
| Write Kubernetes manifests for Node.js microservice | full-stack | 81.6 |
| Remove AI slop and over-engineering from codebase | refactoring | 61.2 |
| Split 1100-line god file into proper modules | refactoring | 61.9 |
| Migrate callback-hell Express app to async/await | refactoring | 75.8 |
| Write tests for untested legacy Flask service | code-review | 54.5 |
| Add Google OAuth2 login to Express app | full-stack | 79.8 |
| Optimize slow Postgres queries in Flask app | backend | 81.2 |
| Fix broken GitHub Actions CI pipeline | debugging | 86.0 |
| Add slash commands and moderation to Discord bot | backend | 68.7 |
| Add caching layer to eliminate slow SSR page loads | full-stack | 77.3 |
| Add retry logic and dead letter queue to Python task queue | backend | 51.2 |
| Add i18n with locale routing to Next.js app | full-stack | 73.6 |
| Fix Node.js stream backpressure causing OOM on large files | backend | 89.8 |
| Add virtual scrolling to table rendering 5000 rows | frontend | 82.2 |
| Fix 12 WCAG accessibility violations in checkout form | frontend | 80.0 |
| Optimize bloated React bundle under 500KB | frontend | 80.5 |
| Convert React app to PWA with offline support | frontend | 65.3 |
| Build distributed node cluster with gossip protocol | from-scratch | 68.6 |
| Fix auth bypass vulnerability | debugging | 88.5 |
| Add GraphQL layer over REST API | multi-language | 77.5 |
| Write integration tests for payment flow | code-review | 58.5 |
| Replace console.log with structured logging | refactoring | 81.5 |
| Fix broken responsive layout | frontend | 85.5 |
| Zero-downtime schema migration | full-stack | 61.8 |
| Add rate limiting middleware | backend | 79.0 |
| Implement Stripe webhook handler | backend | 70.5 |
| Port Python CLI to Rust | multi-language | 74.3 |
| Fix flaky test suite | debugging | 73.9 |
| Dockerize Node.js monorepo | full-stack | 78.3 |
| Add cursor-based pagination to REST API | backend | 63.7 |
| Fix N+1 query in dashboard | backend | 75.8 |
| Fix memory leak in event handler | debugging | 61.1 |
| Code review: identify security vulns | code-review | 49.0 |
| Add WebSocket real-time updates | full-stack | 68.7 |
| Refactor monolithic handler to CQRS | refactoring | 68.8 |
| Debug race condition in worker pool | debugging | 85.0 |
| Implement JWT auth middleware | backend | 74.2 |
| Fix React hydration mismatch | frontend | 67.5 |
| Build terminal UI dashboard | from-scratch | 63.0 |
| Build REST API from scratch | from-scratch | 86.2 |