Key Differences
- •GPT-5.2 Codex has a larger context window (400k vs 200k tokens)
- •GPT-5.2 Codex has more recent training data (Aug 2025 vs May 2025)
- •GPT-5.2 Codex is more affordable for input ($1.75 vs $5.00/1M tokens)
- •GPT-5.2 Codex is more affordable for output ($14.00 vs $25.00/1M tokens)
- •Opus 4.6 is newer (released Feb 2026)
400k tokens
Context
200k tokens
Aug 2025
Knowledge
May 2025
Dec 2025
Released
Feb 2026
$1.75/1M
Input
$5.00/1M
$14.00/1M
Output
$25.00/1M
Both GPT-5.2 Codex and Opus 4.6 are available on Zo Computer. Try them both to see which one works best for your use case.