Gemini 3.5 Flash vs GPT-5.4 Nano
Input price
$1.50
$0.20
Output price
$9.00
$1.25
Context window
1049K
400K
Throughput
157 tok/s
143 tok/s
Availability
99.9%
100.0%
Cost / task
$0.008
$0.001
Efficiency score
92
91
Estimated monthly cost by workload
Metric
GEMINI-3.5-FLA
GPT-5.4-NANO
Chat assistant
$1,530
$210.00
RAG / long context
$2,610
$352.50
Agent / tool use
$4,320
$594.00
Efficiency score: Gemini 3.5 Flash
Across price, speed and reliability, Gemini 3.5 Flash offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.
Figures are illustrative demo data, not financial advice.
Frequently asked questions
Is Gemini 3.5 Flash or GPT-5.4 Nano cheaper?+
GPT-5.4 Nano has the lower input price — $0.20 vs $1.50 per 1M tokens — so for most blended workloads it is the more cost-effective of the two. Figures are illustrative demo data.
Which should I choose, Gemini 3.5 Flash or GPT-5.4 Nano?+
Across price, speed and reliability, Gemini 3.5 Flash offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.