xai/grok-4-fast-reasoning vs glm-4-long
Lower price
xai/grok-4-fast-reasoning
Faster
xai/grok-4-fast-reasoning
Higher efficiency
xai/grok-4-fast-reasoning
Input price
$0.00
$0.00
Output price
$0.00
$0.00
Context window
2000K
1049K
Throughput
162 tok/s
147 tok/s
Availability
99.5%
97.3%
Cost / task
$0.000
$0.000
Efficiency score
96
96
Estimated monthly cost by workload
Metric
XAI
GLM-4-LONG
Chat assistant
$0.00
$0.00
RAG / long context
$0.00
$0.00
Agent / tool use
$0.00
$0.00
Efficiency score: xai/grok-4-fast-reasoning
Across price, speed and reliability, xai/grok-4-fast-reasoning 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 xai/grok-4-fast-reasoning or glm-4-long cheaper?+
xai/grok-4-fast-reasoning has the lower input price — $0.00 vs $0.00 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, xai/grok-4-fast-reasoning or glm-4-long?+
Across price, speed and reliability, xai/grok-4-fast-reasoning offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.