gpt-5-mini vs gpt-5-nano
Input price
$0.25
$0.05
Output price
$2.00
$0.40
Context window
400K
400K
Throughput
125 tok/s
148 tok/s
Availability
100.0%
100.0%
Cost / task
$0.002
$0.000
Efficiency score
91
91
Estimated monthly cost by workload
Metric
GPT-5-MINI
GPT-5-NANO
Chat assistant
$315.00
$63.00
RAG / long context
$480.00
$96.00
Agent / tool use
$900.00
$180.00
Efficiency score: gpt-5-nano
Across price, speed and reliability, gpt-5-nano 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 gpt-5-mini or gpt-5-nano cheaper?+
gpt-5-nano has the lower input price — $0.05 vs $0.25 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, gpt-5-mini or gpt-5-nano?+
Across price, speed and reliability, gpt-5-nano offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.