Why would the open weights providers need their own tools for agentic workflows when you can just plug their OpenAI-compatible API URL into existing tools?
> when you can just plug their OpenAI-compatible API URL into existing tools?
Only the self-hosting diehards will bother with that. Those that want to compete with Claude Code, Gemini CLI, Codex et caterva will have to provide the whole package and do it a price point that is competitive even with low volumes - which is hard to do because the big LLM providers are all subsidizing their offerings.
Also, there are many providers of open source models with caching (Moonshot AI, Groq, DeepSeek, FireWorks AI, MiniMax): https://openrouter.ai/docs/guides/best-practices/prompt-cach...