AI Calculator Pro

Gemini 2.5 Pro vs Phi 4

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Phi 4 is cheaper by about $611.00/month.

Gemini 2.5 ProPhi 4
Providergooglemicrosoft
Input / 1M$1.25$0.0700
Output / 1M$10.00$0.1400
Per request (sample)$0.00625$0.000140
Monthly (sample)$625.00$14.00
Context window1,048,57616,384
VisionYesNo
ReasoningYesNo
Arena · Overall14631217
Arena · Coding1224
Arena · Math & reasoning1450
Arena · Agentic / tool use1425

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Gemini 2.5 Pro and Phi 4 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Phi 4 at $14.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Phi 4Microsoft$0.000140$14.00$168.0016,384
Gemini 2.5 ProGoogle$0.00625$625.00$7,500.001,048,576

FAQ

Which is cheaper, Gemini 2.5 Pro or Phi 4?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Phi 4 is cheaper, costing about $14.00/month versus $625.00/month.

What is the context window of Gemini 2.5 Pro and Phi 4?

Gemini 2.5 Pro supports 1,048,576 tokens, while Phi 4 supports 16,384 tokens.

Estimates for planning only. Verify current pricing with each provider.