Gemini 3.1 Pro vs Phi-4

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Phi-4 by Microsoft wins on 2 of 3 benchmarks against Gemini 3.1 Pro by Google, which leads on 1. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.

Category-by-Category Breakdown

Context: In context, Gemini 3.1 Pro scores 1.0M on Context Length compared to Phi-4's 16K.

Speed Comparison

Gemini 3.1 Pro generates output at 65 tok/s compared to Phi-4's 93 tok/s, and the time to first token is 420 ms for Gemini 3.1 Pro versus 300 ms for Phi-4. Phi-4 delivers faster throughput.

Verdict

Phi-4 leads across the board in speed, making it the stronger overall choice in this comparison.

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Gemini 3.1 Pro vs Phi-4 — FAQ

Which is better, Gemini 3.1 Pro or Phi-4?

Phi-4 wins on more benchmarks overall (2 vs 1). However, the best choice depends on your specific needs — each model excels in different areas.

How does Gemini 3.1 Pro compare to Phi-4 for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is Gemini 3.1 Pro cheaper than Phi-4?

Complete pricing data is not available for both models. Check the pricing section of the comparison above for available cost information.

Which is faster, Gemini 3.1 Pro or Phi-4?

Phi-4 is faster, generating output at 93 tok/s compared to 65 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the Gemini 3.1 Pro vs Phi-4 comparison cover?

This comparison covers 3 benchmarks including Output Speed, Time to First Token, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.