DeepSeek-V4.1-Flash Regression Breaks 100-Step Agent Workflows

Developer Maziyar Panahi reports DeepSeek-V4.1-Flash via OpenRouter shows a sharp tool-calling regression, repeatedly breaking his 100+ step clinical agent workflows.

2026-09-11 ~ 2026-09-11 · 2 related posts

• Dev Reports DeepSeek-V4.1-Flash Breaks 100-Step Clinical Agent Workflow Old Version Ran Fine — MaziyarPanahi · 2026-09-11
• DeepSeek V4.1 Tool Calling Allegedly Regresses, Breaks 100-Step Agent Workflow — MaziyarPanahi · 2026-09-11