OpenAI Codex MinivsMercury
OpenAI Codex Mini is cheaper than Mercury at $1.5/M vs $10/M input tokens.
| Spec | OpenAI Codex Mini | Mercury |
|---|---|---|
| Input price | $1.5/M tokens | $10/M tokens |
| Output price | $6/M tokens | $10/M tokens |
| Context window | 200K tokens | 32K tokens |
| Parameters | Not disclosed | Not disclosed |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Jun 2025 |
Our Verdict
OpenAI Codex Mini
Mercury
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
OpenAI Codex Mini
Input
$1.50
6.7× cheaper
Output
$6.00
1.7× cheaper
Mercury
Input
$10.00
Output
$10.00
OpenAI Codex Mini is cheaper on both: 6.7× input, 1.7× output.
Research
What we learned reading every model
FAQ
Common questions
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