gpt-4o-realtime-preview vs phi-4-mini-instruct
Lower price
gpt-4o-realtime-preview
Faster
gpt-4o-realtime-preview
Higher efficiency
gpt-4o-realtime-preview
Input price
$0.00
$0.08
Output price
$0.00
$0.35
Context window
128K
128K
Throughput
154 tok/s
119 tok/s
Availability
99.5%
100.0%
Cost / task
$0.000
$0.000
Efficiency score
89
89
Estimated monthly cost by workload
Metric
GPT-4O-REALTIM
PHI-4-MINI-INS
Chat assistant
$0.00
$66.00
RAG / long context
$0.00
$127.50
Agent / tool use
$0.00
$183.60
Efficiency score: gpt-4o-realtime-preview
Across price, speed and reliability, gpt-4o-realtime-preview 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-4o-realtime-preview or phi-4-mini-instruct cheaper?+
gpt-4o-realtime-preview has the lower input price — $0.00 vs $0.08 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-4o-realtime-preview or phi-4-mini-instruct?+
Across price, speed and reliability, gpt-4o-realtime-preview offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.