bodybuilder vs xai/grok-4-fast-reasoning
Input price
$-1000000.00
$0.00
Output price
$-1000000.00
$0.00
Context window
128K
2000K
Throughput
148 tok/s
162 tok/s
Availability
98.3%
99.5%
Cost / task
$-2500.000
$0.000
Efficiency score
98
96
Estimated monthly cost by workload
Metric
BODYBUILDER
XAI
Chat assistant
$-420000000.00
$0.00
RAG / long context
$-1290000000.00
$0.00
Agent / tool use
$-1080000000.00
$0.00
Efficiency score: bodybuilder
Across price, speed and reliability, bodybuilder 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 bodybuilder or xai/grok-4-fast-reasoning cheaper?+
bodybuilder has the lower input price — $-1000000.00 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, bodybuilder or xai/grok-4-fast-reasoning?+
Across price, speed and reliability, bodybuilder offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.