grok-4.5 vs kimi-k3
Pricing, Performance & Features Comparison
xAI’s flagship reasoning model with configurable reasoning effort.
Input$2
Output$6
Latency (p50)5.2s
Output Limit–
Function Calling
JSON Mode
-
InputText, Image
OutputText
in$2out$6cache$0.5–
Latency (24h)
Success Rate (24h)
Moonshot’s 2.8T-parameter flagship for long-horizon coding and knowledge work, with native vision and a 1M-token context window; thinking is always on.
Input$3
Output$15
Latency (p50)5.9s
Output Limit1M
Function Calling
JSON Mode
InputText, Image, Video
OutputText
in$3out$15cache$0.3–