New Stealth model Union Alpha (unionalphaai) is looking really good.
I just got my first impression. It's really close to DeepSeek-v4.1-Flash level. This is one-shot, three.js, single html result Run through openrouter api, thinking high, without harness. One of the best
The Claude Code log viewer created with 100% local (DeepSeek v4.1 Flash + Claude Code) has exceeded my expectations and I am amazed.
The thinking power of DeepSeek v4.1 is truly on par with top-class AI, and I can only feel that the democratization of AI has finally been realized.
Same prompt Complex scientific UI
DeepSeek v4.1 Flash $0.12 · 25 min premium 3D educational interface interactive timeline actually worked Hy-4 Preview $0.10 · 40 min flat 2D sketch early-2000s web-game energy Hy-4 was barely cheaper and 15 minutes slower On simple charts it
DeepSeek just released a completely free harness that runs a full SEO content system without costing a single dollar.
Every step the agent takes gets logged, so you can catch mistakes before broken content ever goes live. It plugs straight into your existing Claude or Codex
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