OpenAI Codex MinivsGemini 2.5 Pro Experimental
Gemini 2.5 Pro Experimental is cheaper than OpenAI Codex Mini at $1/M vs $1.5/M input tokens.
| Spec | OpenAI Codex Mini | Gemini 2.5 Pro Experimental |
|---|---|---|
| Input price | $1.5/M tokens | $1/M tokens |
| Output price | $6/M tokens | $2/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Released | May 2025 | Mar 2025 |
| SWE-bench Verified | 71.3% | 63.8% |
Our Verdict
Gemini 2.5 Pro Experimental
OpenAI Codex MiniRunner-up
Not enough votes to call it. On the specs, Gemini 2.5 Pro Experimental has the edge: bigger model tier, bigger context window.
Gemini 2.5 Pro Experimental costs 3.0x less per token.
Too close to call
API pricing
Cost per 1M tokens
OpenAI Codex Mini
Input
$1.50
Output
$6.00
Gemini 2.5 Pro Experimental
Input
$1.00
1.5× cheaper
Output
$2.00
3.0× cheaper
Gemini 2.5 Pro Experimental is cheaper on both — 1.5× input, 3.0× output
Research
What we learned reading every model
FAQ
Common questions
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