自建 agent harness 还有没有商业空间

Sebastian Aaltonen @SebAaltonen原推发布于 2026.09.27

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We had our harness too, but OpenAI and Anthropic are pouring money to their harnesses and expanding them rapidly. They now have good context management, permanent memory, spawn sub-agents for sub-tasks, support MCPs, etc. Modern LLMs (Astra, Fable) are also much more capable nowadays. You don’t need to have to guide them as much by a harness. Also if you try to make business with custom harness and route API token purchases though it, that has no business case today. API token costs are 10x+ more expensive than monthly subscriptions. If your harness requires paying API prices for tokens, it’s dead on arrival.