OpenAI Codex Mini vs 
PaLM 2 Chat
PaLM 2 Chat is cheaper than OpenAI Codex Mini at $0.5/M vs $1.5/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.
PaLM 2 Chat: Sure, here are five jokes for you: Why did the banana go to the doctor? Because it wasn't peeling well! Why did the math book look so sad? Because it was full of problems! What do you call a can opener that doesn't work? A can't opener! Why did the golfer wear two pairs of pants? In case he got a hole in one!
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.
PaLM 2 Chat: Intro Hey there, everybody. Welcome to my comedy show. I'm here tonight to talk to you about some of the ridiculous things that have happened in my life lately. So, as some of you may know I recently tried online dating.
Price and specs
| Spec | OpenAI Codex Mini | PaLM 2 Chat |
|---|---|---|
| Input price | $1.5/M tokens | $0.5/M tokens |
| Output price | $6/M tokens | $0.5/M tokens |
| Context window | 200K tokens | 8K tokens |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Jul 2023 |
| At 10M a month | $15.00 | $5.00 |
Input tokens at list price. No caching, no batch discount.
Common questions
What is the difference between OpenAI Codex Mini and PaLM 2 Chat?
OpenAI Codex Mini is developed by OpenAI while PaLM 2 Chat is developed by Google AI. OpenAI Codex Mini has a 200K token context window vs PaLM 2 Chat's 8K. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.
Which is better, OpenAI Codex Mini or PaLM 2 Chat?
It depends on your use case. OpenAI Codex Mini and PaLM 2 Chat each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.
How much does OpenAI Codex Mini cost compared to PaLM 2 Chat?
OpenAI Codex Mini costs $1.5/M input tokens and PaLM 2 Chat costs $0.5/M input tokens. PaLM 2 Chat is $1.00/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 PaLM 2 Chat on Rival?
This page shows a side-by-side comparison of OpenAI Codex Mini and PaLM 2 Chat 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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