Compare Phi 4 Mini Instruct from Microsoft and Grok 4.3 from SpaceXAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Phi 4 Mini Instruct and Grok 4.3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Phi 4 Mini Instruct, from Microsoft, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.
Grok 4.3, from SpaceXAI, has a 1,000,000-token context window and is priced at $1.25/M tokens input, $2.50/M tokens output on OpenRouter.