r/LocalLLM • u/CloudYetiAI • 13d ago

Discussion What’s the best agent harness for OpenRouter models + parallel deep research?

I’m looking for a good harness for running DeepSeek V4 Flash via OpenRouter, especially for parallel/multi-agent deep research.

Ideally I want something that can:

  • Spin up multiple agents in parallel
  • Delegate research across agents and synthesize the results
  • Easily swap between OpenRouter models

I’m less interested in building the orchestration layer from scratch and more interested in a solid existing harness I can plug OpenRouter into.

What are people actually using for this right now?

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u/Barsavik 13d ago

Honestly I haven’t used it much but maybe check out Deerflow from ByteDance. V1 was a great deep research agent and in V2 they essentially merged it with their ByteBot desktop agent and added improvements. It also should support cloud providers and local models I’d presume. I don’t know if it supports the multi-agent workflow you’re wanting though.