Key Differences
- •GPT-5.4 has more recent training data (Aug 2025 vs Jan 2025)
- •GPT-5.4 is more affordable for input ($2.50 vs $3.00/1M tokens)
- •GPT-5.4 is newer (released Mar 2026)
1M tokens
Context
1M tokens
Aug 2025
Knowledge
Jan 2025
Mar 2026
Released
Sep 2025
$2.50/1M
Input
$3.00/1M
$15.00/1M
Output
$15.00/1M
Both GPT-5.4 and Sonnet 4.5 are available on Zo Computer. Try them both to see which one works best for your use case.