google/gemini-3.1-flash-lite vs grok-4-1-fast-reasoning
Lower price
grok-4-1-fast-reasoning
Faster
google/gemini-3.1-flash-lite
Higher efficiency
google/gemini-3.1-flash-lite
Input price
$0.25
$0.20
Output price
$1.50
$0.50
Context window
1049K
2000K
Throughput
170 tok/s
131 tok/s
Availability
99.0%
97.3%
Cost / task
$0.001
$0.001
Efficiency score
96
96
Estimated monthly cost by workload
Metric
GOOGLE
GROK-4-1-FAST-
Chat assistant
$255.00
$120.00
RAG / long context
$435.00
$285.00
Agent / tool use
$720.00
$324.00
Efficiency score: google/gemini-3.1-flash-lite
Across price, speed and reliability, google/gemini-3.1-flash-lite 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 google/gemini-3.1-flash-lite or grok-4-1-fast-reasoning cheaper?+
grok-4-1-fast-reasoning has the lower input price — $0.20 vs $0.25 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, google/gemini-3.1-flash-lite or grok-4-1-fast-reasoning?+
Across price, speed and reliability, google/gemini-3.1-flash-lite offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.