GPTvsGemini

GPT 4.1 Mini vs Gemini 3.1 Pro

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

GPT 4.1 Mini

Fast / Budget

Gemini 3.1 Pro

Mid-tier
Input $/MTok
$0.40
$2.00
Output $/MTok
$1.60
$12.00
Cache discount
75% off
90% off
Context
1,047.576K
1,048.576K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
86
Code Review
0
vs
84
Summarization
0
vs
87
Q&A
0
vs
87
Extraction
0
vs
85
Reasoning
0
vs
90
Classification
0
vs
86
Creative Writing
0
vs
84
GPT 4.1 Mini
Gemini 3.1 Pro

Guidance

When to use GPT 4.1 Mini vs Gemini 3.1 Pro

Choose GPT 4.1 Mini when...

  • -Cost matters: 80% cheaper on input tokens

Choose Gemini 3.1 Pro when...

  • -You need a larger context window (1,048.576K vs 1,047.576K)
  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4.1 Mini
Gemini 3.1 Pro
100K tokens
$0.08Cheaper
$0.50
1M tokens
$0.76Cheaper
$8.20
10M tokens
$7.60Cheaper
$82.00

FAQ

When should I use GPT 4.1 Mini instead of Gemini 3.1 Pro?

GPT 4.1 Mini and Gemini 3.1 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Gemini 3.1 Pro cheaper than GPT 4.1 Mini?

Gemini 3.1 Pro input costs $2.00/MTok, which is 400% more than GPT 4.1 Mini at $0.40/MTok.

What are the context window sizes for GPT 4.1 Mini and Gemini 3.1 Pro?

GPT 4.1 Mini has a 1,047.576K token context window. Gemini 3.1 Pro has a 1,048.576K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.