Key Differences
- •Kimi K2 Thinking has a larger context window (262k vs 200k tokens)
- •Opus 4.5 has more recent training data (Mar 2025 vs Jan 2024)
- •Kimi K2 Thinking is more affordable for input ($0.60 vs $5.00/1M tokens)
- •Kimi K2 Thinking is more affordable for output ($2.50 vs $25.00/1M tokens)
- •Opus 4.5 is newer (released Nov 2025)
262k tokens
Context
200k tokens
Jan 2024
Knowledge
Mar 2025
Sep 2025
Released
Nov 2025
$0.60/1M
Input
$5.00/1M
$2.50/1M
Output
$25.00/1M
Both Kimi K2 Thinking and Opus 4.5 are available on Zo Computer. Try them both to see which one works best for your use case.