OpenAI Codex MinivsPolaris Alpha
Polaris Alpha is cheaper than OpenAI Codex Mini at $0/M vs $1.5/M input tokens.
| Spec | OpenAI Codex Mini | Polaris Alpha |
|---|---|---|
| Input price | $1.5/M tokens | Free |
| Output price | $6/M tokens | Free |
| Context window | 200K tokens | 256K tokens |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Nov 2025 |
Our Verdict
Polaris Alpha
OpenAI Codex MiniRunner-up
Not enough votes to call it. On the specs, Polaris Alpha has the edge: bigger model tier, newer.
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
Output
$6.00
Polaris Alpha
Input
$0.000
Output
$0.000
Research
What we learned reading every model
FAQ
Common questions
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