Key Differences
- •GPT-5.2 has a larger context window (400k vs 200k tokens)
- •GPT-5.2 has more recent training data (Aug 2025 vs Feb 2025)
- •Haiku 4.5 is more affordable for input ($1.00 vs $1.75/1M tokens)
- •Haiku 4.5 is more affordable for output ($5.00 vs $14.00/1M tokens)
- •GPT-5.2 is newer (released Dec 2025)
400k tokens
Context
200k tokens
Aug 2025
Knowledge
Feb 2025
Dec 2025
Released
Oct 2025
$1.75/1M
Input
$1.00/1M
$14.00/1M
Output
$5.00/1M
Both GPT-5.2 and Haiku 4.5 are available on Zo Computer. Try them both to see which one works best for your use case.