Overview
GPT-6 Luna vs Grok 4.6: side-by-side summary
GPT-6 Luna and Grok 4.6 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-6 Luna, 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.
Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.
- Context window
- GPT-6 Luna: 1,050,000 tokens
- Grok 4.6: 500,000 tokens
- Price
- GPT-6 Luna: $0.10/M tokens input, $0.50/M tokens output
- Grok 4.6: $2/M tokens input, $6/M tokens output
- Provided by
- GPT-6 Luna: OpenAI
- Grok 4.6: SpaceXAI