Qwen3 Coder 30b [Q4_K_M]

LM Studio

262K context<$0.01/M input<$0.01/M output

1133peak 1152

Avg Score

52.1

Avg Cost

$0.01

Score/$

4737.7

Runs

Win/Loss/Draw

Scoring Dimensions

Score Distribution

Category ELOs

refactoringexpert

1455

frontendhard

1446

refactoring

1423

from-scratcheasy

1420

backendmedium

1282

frontendmedium

1231

frontend

1224

from-scratch

1147

backend

1107

debugginghard

1100

from-scratchhard

1061

code-review

1060

debugging

1046

code-reviewhard

1001

backendhard

994

debuggingmedium

987

backendexpert

984

code-reviewmedium

935

full-stack

801

full-stackhard

788

debuggingexpert

732

from-scratchexpert

446

frontendexpert

144

from-scratchmedium

backendeasy

All Results

Task	Category	Score	Duration	Cost
Build SaaS admin dashboard from scratch	from-scratch	55.8	3m 40s	$0.02
Build production website with auth and members area	frontend	46.3	5m 25s	$0.03
Build MCP server for database management	backend	44.5	1m 1s	<$0.01
Implement transformer inference engine with KV cache	from-scratch	53.5	52.2s	$0.01
Build CLI tool with subcommands and config	from-scratch	36.3	2m 14s	<$0.01
Implement background job scheduler with persistence	backend	19.8	23.1s	<$0.01
Build LLM evaluation harness with structured grading	backend	44.3	2m 31s	$0.02
Fix hallucination and context window bugs in RAG agent	backend	51.0	1m 29s	$0.02
Build real-time portfolio risk calculator	backend	41.0	2m 49s	$0.02
Fix race conditions in order matching engine	backend	62.5	1m 31s	$0.01
Build materialized view refresh pipeline for analytics	backend	46.3	4m 8s	$0.03
Fix data integrity bugs in denormalized e-commerce schema	debugging	38.0	1m 54s	$0.02
Fix deadlocking transaction patterns in Flask app	backend	37.8	1m 32s	$0.01
Find and fix 4 hidden backdoors in Flask app	debugging	70.5	2m 45s	$0.02
Write complex SQL report with window functions	backend	61.2	2m 2s	$0.02
Debug and fix 6 broken database triggers and constraints	debugging	49.6	59.0s	$0.01
Add Redis caching layer to Express API	backend	56.0	1m 40s	$0.01
Write tests for untested legacy Flask service	code-review	18.3	1m 16s	$0.01
Add Google OAuth2 login to Express app	full-stack	41.5	1m 23s	$0.01
Optimize slow Postgres queries in Flask app	backend	58.7	1m 5s	<$0.01
Add slash commands and moderation to Discord bot	backend	55.6	1m 25s	<$0.01
Add retry logic and dead letter queue to Python task queue	backend	51.6	46.8s	<$0.01
Fix 12 WCAG accessibility violations in checkout form	frontend	77.9	2m 54s	$0.02
Fix Node.js stream backpressure causing OOM on large files	backend	86.2	11.8s	<$0.01
Add virtual scrolling to table rendering 5000 rows	frontend	65.2	1m 1s	$0.01
Build distributed node cluster with gossip protocol	from-scratch	33.5	42.6s	<$0.01
Write integration tests for payment flow	code-review	63.5	1m 53s	$0.02
Fix auth bypass vulnerability	debugging	74.5	24.3s	<$0.01
Implement Stripe webhook handler	backend	40.0	12.4s	<$0.01
Zero-downtime schema migration	full-stack	44.5	8.5s	<$0.01
Add rate limiting middleware	backend	18.3	4.0s	<$0.01
Fix flaky test suite	debugging	62.5	26.4s	<$0.01
Refactor monolithic handler to CQRS	refactoring	65.5	51.2s	$0.01
Fix N+1 query in dashboard	backend	63.5	27.1s	<$0.01
Fix memory leak in event handler	debugging	55.1	11.8s	<$0.01
Code review: identify security vulns	code-review	53.3	29.5s	<$0.01
Fix React hydration mismatch	frontend	67.0	8.4s	<$0.01
Debug race condition in worker pool	debugging	58.0	8.0s	<$0.01
Build terminal UI dashboard	from-scratch	37.0	18.8s	<$0.01
Build REST API from scratch	from-scratch	79.3	11.8s	<$0.01