Guide

Which Model to Use for OpenClaw

OpenClaw work is different from plain chat. You need a model that can plan, reliably execute tool calls, and maintain a large enough context length to stay consistent across a longer task. These principles apply not only to OpenClaw, but to any multi-step agent-like use cases, including popular frameworks like Hermes Agent. Raw token speed matters, but agent logic and tool adherence are what make the workflow actually succeed.

Section 1

What OpenClaw and other agents need from a model

For OpenClaw or frameworks like Hermes Agent, the model must keep the plan coherent, pick the right tool at the right time, and recover gracefully when a step fails. Context length is paramount here; agent loops generate heavy log outputs, and if a model truncates early or loses attention, the whole workflow collapses.

  • Context length: can the model retain instructions and tool outputs across dozens of turns?
  • Tool usage: does it strictly follow formatting to execute the right operation instead of guessing?
  • Planning & Stability: does it keep context and avoid drifting off task?

Section 2

Recommended selection strategy

Start with a model that has strong quality scores, then validate that it still runs well enough on your hardware to keep the loop responsive. For OpenClaw, a slightly slower but more dependable model often wins because fewer bad tool calls means fewer wasted iterations.

  • Choose the strongest agent-capable model that fits your VRAM budget.
  • Favor consistent quality over benchmark spikes that do not repeat.
  • Test with the benchmark data and your own OpenClaw workflow.

Section 3

What to avoid

Do not pick purely on speed if the model regularly misses steps or produces weak plans. For OpenClaw, bad reasoning costs more than a few seconds of latency because every mistake compounds across the workflow.

  • Avoid models that fit only by pushing VRAM to the limit.
  • Avoid low-quality runs that rely on lucky one-off outputs.
  • Avoid choosing a model before checking its benchmark evidence.