GPTvsGemini

GPT 5.4 Mini vs Gemini Omni 1.1 Flash

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

Pricing

Side-by-side pricing

GPT 5.4 Mini

Fast / Budget

Gemini Omni 1.1 Flash

Fast / Budget
Input $/MTok
$0.75
$1.50
Output $/MTok
$4.50
$9.00
Cache discount
90% off
0% off
Context
272K
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
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
GPT 5.4 Mini
Gemini Omni 1.1 Flash

Guidance

When to use GPT 5.4 Mini vs Gemini Omni 1.1 Flash

Choose GPT 5.4 Mini when...

  • -Cost matters: 50% cheaper on input tokens

Choose Gemini Omni 1.1 Flash when...

  • -You need a larger context window (1,048.576K vs 272K)
  • 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 5.4 Mini
Gemini Omni 1.1 Flash
100K tokens
$0.19Cheaper
$0.38
1M tokens
$1.87Cheaper
$3.75
10M tokens
$18.75Cheaper
$37.50

FAQ

When should I use GPT 5.4 Mini instead of Gemini Omni 1.1 Flash?

GPT 5.4 Mini and Gemini Omni 1.1 Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Gemini Omni 1.1 Flash cheaper than GPT 5.4 Mini?

Gemini Omni 1.1 Flash input costs $1.50/MTok, which is 100% more than GPT 5.4 Mini at $0.75/MTok.

What are the context window sizes for GPT 5.4 Mini and Gemini Omni 1.1 Flash?

GPT 5.4 Mini has a 272K token context window. Gemini Omni 1.1 Flash 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.