GPT-5.4 Mini vs Sonar
Input price
$0.75
$1.00
Output price
$4.50
$1.00
Context window
400K
127K
Throughput
130 tok/s
147 tok/s
Availability
100.0%
99.8%
Cost / task
$0.004
$0.003
Efficiency score
89
89
Estimated monthly cost by workload
Metric
GPT-5.4-MINI
SONAR
Chat assistant
$765.00
$420.00
RAG / long context
$1,305
$1,290
Agent / tool use
$2,160
$1,080
Efficiency score: Sonar
Across price, speed and reliability, Sonar 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-5.4 Mini or Sonar cheaper?+
GPT-5.4 Mini has the lower input price — $0.75 vs $1.00 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-5.4 Mini or Sonar?+
Across price, speed and reliability, Sonar offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.