DeepSeek V4.1 Flash (Max): benchmark results

Provider: DeepSeek. Released 2026-09-10. Access: Open.

Unified ELO 1730 ± 1, rank #69 of 3078 rated models, from 61 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
LiveBench JavaScript81.82Score100
LiveBench Python90Score100
SuperCLUE General (July 2026) - Math Reasoning84.21Score100
LiveBench TypeScript60Score98.2
Agent Arena - Confirmed Success13.35Confirmed Success (%)95.6
SuperCLUE General (July 2026) - Hallucination Control87.16Score94.1
SuperCLUE General (July 2026) - Overall71.81Score94.1
WebDev Arena (Brand & Marketing)1628Arena Score92
WebDev Arena (Data & Analytics)1573Arena Score92
WebDev Arena (Consumer Product)1580Arena Score90.8
LiveBench Zebra Puzzle100Score90.4
AI Coding Daily (OpenCode) - Laravel Code Quality17.7Laravel Code Quality (max 20) points, LLM-judged rubric scor89.5

Interactive version: theaggregate.ai/model?slug=deepseek-v4-1-flash-max · How It Works · Data refreshed daily, snapshot 2026-09-19.