GPT-5.6 Luna vs Llama 4 Maverick

Choose GPT-5.6 Luna if you want cheap, fast subtasks, routing, and subagents in OpenAI-based stacks. Choose Llama 4 Maverick if you want self-hosted agents that want the Llama ecosystem.

In our editorial scoring, GPT-5.6 Luna leads in 4 of five dimensions (output quality, agentic ability, speed and reliability), while Llama 4 Maverick leads in 1. On price, GPT-5.6 Luna runs about $2.50 per 1M tokens (blended) and is proprietary; Llama 4 Maverick is about $0.38 and open-weight.

The model is half the story — the agent is the other half

The model picks the moves; the agent runs the loop, the tools, and the guardrails. Once you've chosen a model, see which agent gets the most out of it.