OpenClaw Multi-Model Setup: Stop Burning Money on the Wrong Model

A current OpenClaw multi-model setup using the Codex harness on GPT-5.6 as the main lane, focused harness subagents, Ollama for embeddings, Ollama Cloud for cheap offload, a Cursor subscription overflow lane, Grok / xAI as an optional provider tier, OpenClaw image generation with gpt-image-2, browser research tools, and Opus 4.8 ACP escalation.