The AI Model Doesn't Matter Anymore

Prompt Engineering
29,026 views February 23, 2026

While the entire industry obsesses over whether GPT, Claude, or Gemini is the best model, they are completely missing the real reason AI agents keep failing. The actual bottleneck isn't the model itself, but the "harness"—the infrastructure and tools wrapped around it. Discover why top AI companies are drastically stripping down their architectures, and why mastering harness engineering is the only skill that will actually matter in 2026. LINKS: https://vercel.com/blog/we-removed-80-percent-of-our-agents-tools https://openai.com/index/harness-engineering/ https://blog.langchain.com/improving-deep-agents-with-harness-engineering/ https://www.anthropic.com/engineering/effective-harnesses-for-long-running-agents https://www.mercor.com/blog/introducing-apex-agents/ http://www.incompleteideas.net/IncIdeas/BitterLesson.html My Dictation App: www.whryte.com Website: https://engineerprompt.ai/ RAG Beyond Basics Course: https://prompt-s-site.thinkific.com/courses/rag Signup for Newsletter, localgpt: https://tally.so/r/3y9bb0 Let's Connect: 🦾 Discord: https://discord.com/invite/t4eYQRUcXB ☕ Buy me a Coffee: https://ko-fi.com/promptengineering |🔴 Patreon: https://www.patreon.com/PromptEngineering 💼Consulting: https://calendly.com/engineerprompt/consulting-call 📧 Business Contact: [email protected] Become Member: http://tinyurl.com/y5h28s6h 💻 Pre-configured localGPT VM: https://bit.ly/localGPT (use Code: PromptEngineering for 50% off). Signup for Newsletter, localgpt: https://tally.so/r/3y9bb0 #Gemini3.1 #GoogleAI #Antigravity #AIStudio #VibeCoding #LLMBenchmarks #TechNews #SoftwareDevelopment #artificialintelligence

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