Qwen 3 Coder Plus: benchmark results

Alibaba's hosted agentic-coding API tier built on Qwen3-Coder 480B A35B MoE, with up to 1M context. Provider: Alibaba. Released 2025-09-23. Access: API.

Unified ELO 1585 ± 1, rank #306 of 1392 rated models, from 15 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
WebCoderBench - Performance98.54Score (%)100
SnakeBench24.9TrueSkill Rating64
BenchTable51.3Total Score (%)54.9
MCPMark24.8Pass@1 (%)52.6
BacktestBench42.05Overall Accuracy (OA) (self-reported)45.5
AI Chess Leaderboard (Reasoning)639Elo42.6
WebCoderBench - Functionality Correctness54.95Score (%)30.8
Spider 2.0-Snow37.8Accuracy (%)30
LM Market Cap LMC Score40LMC Score (0-100)27.3
ALE-Bench456.5Performance (Self-Refine x1) (self-reported)21.6
AssertLLM218.55Coverage Formal (self-reported)20
FrontierOR20Sol. quality (self-reported)16.7

Interactive version: theaggregate.ai/model?slug=qwen-3-coder-plus · How It Works · Data refreshed daily, snapshot 2026-09-05.