Key Differences
- •Opus 4.5 has more recent training data (Mar 2025 vs Feb 2025)
- •Haiku 4.5 is more affordable for input ($1.00 vs $5.00/1M tokens)
- •Haiku 4.5 is more affordable for output ($5.00 vs $25.00/1M tokens)
- •Opus 4.5 is newer (released Nov 2025)
200k tokens
Context
200k tokens
Feb 2025
Knowledge
Mar 2025
Oct 2025
Released
Nov 2025
$1.00/1M
Input
$5.00/1M
$5.00/1M
Output
$25.00/1M
Both Haiku 4.5 and Opus 4.5 are available on Zo Computer. Try them both to see which one works best for your use case.