OpenAI Codex MinivsNova Premier 1.0
OpenAI Codex Mini is cheaper than Nova Premier 1.0 at $1.5/M vs $2.5/M input tokens.
| Spec | OpenAI Codex Mini | Nova Premier 1.0 |
|---|---|---|
| Input price | $1.5/M tokens | $2.5/M tokens |
| Output price | $6/M tokens | $12.5/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Released | May 2025 | Oct 2025 |
| SWE-bench Verified | 71.3% | 42.4% |
Our Verdict
Nova Premier 1.0
OpenAI Codex MiniRunner-up
Not enough votes to call it. On the specs, Nova Premier 1.0 has the edge: bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
OpenAI Codex Mini
Input
$1.50
1.7× cheaper
Output
$6.00
2.1× cheaper
Nova Premier 1.0
Input
$2.50
Output
$12.50
OpenAI Codex Mini is cheaper on both — 1.7× input, 2.1× output
Research
What we learned reading every model
FAQ
Common questions
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