Gemini 3.1 Flash Lite vs Grok 4.3
Input price
$0.25
$1.25
Output price
$1.50
$2.50
Context window
1049K
1000K
Throughput
172 tok/s
167 tok/s
Availability
99.5%
100.0%
Cost / task
$0.001
$0.004
Efficiency score
96
95
Estimated monthly cost by workload
Metric
GEMINI-3.1-FLA
GROK-4.3
Chat assistant
$255.00
$675.00
RAG / long context
$435.00
$1,725
Agent / tool use
$720.00
$1,800
Efficiency score: Gemini 3.1 Flash Lite
Across price, speed and reliability, 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 Gemini 3.1 Flash Lite or Grok 4.3 cheaper?+
Gemini 3.1 Flash Lite has the lower input price — $0.25 vs $1.25 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, Gemini 3.1 Flash Lite or Grok 4.3?+
Across price, speed and reliability, 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.