Key Differences
- •GPT-5.4 has a larger context window (1M vs 200k tokens)
- •GPT-5.4 has more recent training data (Aug 2025 vs May 2025)
- •GPT-5.4 is more affordable for input ($2.50 vs $5.00/1M tokens)
- •GPT-5.4 is more affordable for output ($15.00 vs $25.00/1M tokens)
- •GPT-5.4 is newer (released Mar 2026)
1M tokens
Context
200k tokens
Aug 2025
Knowledge
May 2025
Mar 2026
Released
Feb 2026
$2.50/1M
Input
$5.00/1M
$15.00/1M
Output
$25.00/1M
Both GPT-5.4 and Opus 4.6 are available on Zo Computer. Try them both to see which one works best for your use case.