Phi 4 vs GLM 5.1
Input price
$0.07
$0.98
Output price
$0.14
$3.08
Context window
16K
203K
Throughput
130 tok/s
131 tok/s
Availability
100.0%
100.0%
Cost / task
$0.000
$0.004
Efficiency score
88
88
Estimated monthly cost by workload
Metric
PHI-4
GLM-5.1
Chat assistant
$37.80
$663.60
RAG / long context
$96.60
$1,453
Agent / tool use
$100.80
$1,814
Efficiency score: Phi 4
Across price, speed and reliability, Phi 4 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 Phi 4 or GLM 5.1 cheaper?+
Phi 4 has the lower input price — $0.07 vs $0.98 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, Phi 4 or GLM 5.1?+
Across price, speed and reliability, Phi 4 offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.