DeepSeek V4.1 Flash 1017 tops Code Arena WebDev open-model ranking at 1670
The post says V4.1 Flash 1017 scores 1670 on Code Arena WebDev, first among open models, 4 points behind Qwen3.8-Max and 12 ahead of Opus 5 High, at $0.3/$1.2 with MIT open weights and nearly 10x cheaper than Kimi.
🔥 DeepSeek V4.1 Flash 1017 has officially taken #1 place for open models in Code Arena: WebDev, scoring 1670 points! Liang Wenfeng's rating for this wave is legendary! Comparing closed-source / open models: 🔹 Qwen3.8-Max (Proprietary): 1674 (only 4 points ahead) 🔹 Muse Spark 1.3: 1659 (11 points behind) 🔹 Opus 5 High: 1658 (12 points behind) 🔹 Kimi K3 Max: 1655 (15 points behind) The craziest part is the pricing: DeepSeek is only $0.3/$1.2, MIT open source, nearly 10x cheaper than Kimi, and an order of magnitude cheaper than Opus 5 High. Liang Wenfeng enabled open-source models to match close-to-proprietary scores, rubbing expensive proprietary models in the dirt. Open source is rapidly closing in on the proprietary ceiling! #DeepSeek #V41Flash #OpenSource #AI #Coding #Arena #LLM #LiangWenfeng #Legend