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