OpenAI Codex Mini vs 
Sonar Pro Search
OpenAI Codex Mini is cheaper than Sonar Pro Search at $1.5/M vs $3/M input tokens.
Pokémon Battle UI Recreation
Pokémon battle screen you can actually click. One HTML file.
Loading the build
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Which answer wins?
Written rounds
2 promptsFive jokes on demand, then count how many were actually different.
OpenAI Codex Mini: Sure—here are five jokes: I asked the librarian if books about paranoia were available. She whispered, "They're right behind you." Why did the tomato turn red? Because it saw the salad dressing. I bought a boat because it was for sail. Don't trust stairs—they're always up to something.
Sonar Pro Search: Five Jokes Why don't skeletons fight each other? They don't have the guts. I told my wife she was drawing her eyebrows too high. She looked surprised. Why did the scarecrow win an award? Because he was outstanding in his field. Parallel lines have so much in common. It’s a shame they’ll never meet.
Three minutes of stand-up. Puns are banned.
OpenAI Codex Mini: [Comedian walks onstage] Hey, everyone! Great to see you all tonight. I'm Jamie—if you thought that intro was enthusiastic, you should've seen me when I realized this place has Wi-Fi. Seriously, though, I love stand-up.
Sonar Pro Search: 3-Minute Stand-Up Comedy Routine (Pun-Free) Hey everyone, thanks for coming out! I almost didn’t make it tonight. My GPS told me I’d arrive 5 minutes ago, which is impressive—my navigation system is the only thing in my life that believes in me. Let’s talk about fitness.
Price and specs
Not enough votes to call it. On the specs, Sonar Pro Search has the edge: bigger model tier, newer.
| Spec | OpenAI Codex Mini | Sonar Pro Search |
|---|---|---|
| Input price | $1.5/M tokens | $3/M tokens |
| Output price | $6/M tokens | $15/M tokens |
| Context window | 200K tokens | 200K tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Oct 2025 |
| At 10M a month | $15.00 | $30.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
OpenAI Codex Mini
No hosts listed on OpenRouter.
Sonar Pro Search1 host
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
Common questions
What is the difference between OpenAI Codex Mini and Sonar Pro Search?
OpenAI Codex Mini is developed by OpenAI while Sonar Pro Search is developed by Perplexity. OpenAI Codex Mini has a 200K token context window vs Sonar Pro Search's 200K. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.
Which is better, OpenAI Codex Mini or Sonar Pro Search?
It depends on your use case. OpenAI Codex Mini and Sonar Pro Search each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.
How much does OpenAI Codex Mini cost compared to Sonar Pro Search?
OpenAI Codex Mini costs $1.5/M input tokens and Sonar Pro Search costs $3/M input tokens. OpenAI Codex Mini is $1.50/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare OpenAI Codex Mini and Sonar Pro Search on Rival?
This page shows a side-by-side comparison of OpenAI Codex Mini and Sonar Pro Search across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
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