GPTvsGemini

GPT 5.4 Mini vs Gemini Robotics ER 2

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 Robotics ER 2

Fast / Budget
Input $/MTok
$0.75
$1.00
Output $/MTok
$4.50
$5.00
Cache discount
90% off
90% off
Context
272K
131.072K

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 Robotics ER 2

Guidance

When to use GPT 5.4 Mini vs Gemini Robotics ER 2

Choose GPT 5.4 Mini when...

  • -Cost matters: 25% cheaper on input tokens
  • -You need a larger context window (272K vs 131.072K)

Choose Gemini Robotics ER 2 when...

  • 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 Robotics ER 2
100K tokens
$0.19Cheaper
$0.22
1M tokens
$1.87Cheaper
$2.20
10M tokens
$18.75Cheaper
$22.00

FAQ

When should I use GPT 5.4 Mini instead of Gemini Robotics ER 2?

GPT 5.4 Mini and Gemini Robotics ER 2 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Gemini Robotics ER 2 cheaper than GPT 5.4 Mini?

Gemini Robotics ER 2 input costs $1.00/MTok, which is 33% more than GPT 5.4 Mini at $0.75/MTok.

What are the context window sizes for GPT 5.4 Mini and Gemini Robotics ER 2?

GPT 5.4 Mini has a 272K token context window. Gemini Robotics ER 2 has a 131.072K token context window.

Track your real costs

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