kimi-k2-thinking vs sonar-reasoning
Input price
$0.60
$1.00
Output price
$2.50
$5.00
Context window
131K
128K
Throughput
120 tok/s
122 tok/s
Availability
97.5%
97.2%
Cost / task
$0.002
$0.005
Efficiency score
88
87
Estimated monthly cost by workload
Metric
KIMI-K2-THINKI
SONAR-REASONIN
Chat assistant
$480.00
$900.00
RAG / long context
$945.00
$1,650
Agent / tool use
$1,332
$2,520
Efficiency score: kimi-k2-thinking
Across price, speed and reliability, kimi-k2-thinking 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 kimi-k2-thinking or sonar-reasoning cheaper?+
kimi-k2-thinking has the lower input price — $0.60 vs $1.00 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, kimi-k2-thinking or sonar-reasoning?+
Across price, speed and reliability, kimi-k2-thinking offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.