Compare Phi 4 from Microsoft and Solar Pro 4 from upstage 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 and Solar Pro 4 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Phi 4, from Microsoft, has a 16,384-token context window and is priced at $0.07/M tokens input, $0.14/M tokens output on OpenRouter.
Solar Pro 4, from upstage, has a 524,288-token context window and is priced at $0.09/M tokens input, $0.36/M tokens output on OpenRouter.