Compare Grok Imagine Image Quality from SpaceXAI and GPT-5 Image Mini 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.
Grok Imagine Image Quality and GPT-5 Image Mini are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Grok Imagine Image Quality, from SpaceXAI, has a 65,536-token context window and is priced from $0.05/image on OpenRouter.
GPT-5 Image Mini, from OpenAI, has a 400,000-token context window and is priced at $2.50/M tokens input, $8/M tokens output on OpenRouter.