Compare Llama Guard 4 12B from Meta Llama and GPT-6 Luna Pro from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


Llama Guard 4 12B and GPT-6 Luna Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Llama Guard 4 12B, from Meta Llama, has a 163,840-token context window and is priced at $0.18/M tokens input, $0.18/M tokens output on OpenRouter.
GPT-6 Luna Pro, from OpenAI, has a 1,050,000-token context window and is priced at $0.10/M tokens input, $0.50/M tokens output on OpenRouter.