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  1. Home
  2. /
  3. Compare

Phi 4 vs GPT-6 Sol Pro

Compare Phi 4 from Microsoft and GPT-6 Sol Pro 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.

Favicon for microsoft
Phi 4
Favicon for openai
GPT-6 Sol Pro
Favicon for microsoft
Phi 4
Favicon for openai
GPT-6 Sol Pro

Overview

Phi 4
Author
Microsoft
GPT-6 Sol Pro
Author
OpenAI
Phi 4
Context length
16Ktokens
GPT-6 Sol Pro
Context length
1.05Mtokens
Phi 4
Reasoning
GPT-6 Sol Pro
Reasoning
Phi 4
Input modalities
GPT-6 Sol Pro
Input modalities
Phi 4
Output modalities
GPT-6 Sol Pro
Output modalities

Phi 4 vs GPT-6 Sol Pro: side-by-side summary

Phi 4 and GPT-6 Sol Pro 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.

GPT-6 Sol Pro, from OpenAI, has a 1,050,000-token context window and is priced at $2/M tokens input, $10/M tokens output on OpenRouter.

Context window
  • Phi 4: 16,384 tokens
  • GPT-6 Sol Pro: 1,050,000 tokens
Price
  • Phi 4: $0.07/M tokens input, $0.14/M tokens output
  • GPT-6 Sol Pro: $2/M tokens input, $10/M tokens output
Provided by
  • Phi 4: Microsoft
  • GPT-6 Sol Pro: OpenAI
  • Phi 4 model details, providers and pricing
  • GPT-6 Sol Pro model details, providers and pricing