Claude 2 vs 
OpenAI o4-mini
OpenAI o4-mini is cheaper than Claude 2 at $1.1/M vs $11.02/M input tokens.
Simple Falling Object Game
Catch the falling object. Paddle at the bottom, score at the top, one file.
Loading the build
Loading the build
Which answer wins?
Written rounds
2 promptsSeven pantry ingredients, one dish, and a name worth saying out loud.
One month, three habits, someone starting from nothing.
Price and specs
| Spec | Claude 2 | OpenAI o4-mini |
|---|---|---|
| Input price | $11.02/M tokens | $1.1/M tokens |
| Output price | $32.68/M tokens | $4.4/M tokens |
| Context window | 100K tokens | — |
| Parameters | Not disclosed | Not disclosed |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jun 2023 | Apr 2025 |
| At 10M a month | $110 | $11.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Claude 2
No hosts listed on OpenRouter.
OpenAI o4-mini1 host
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
Common questions
What is the difference between Claude 2 and OpenAI o4-mini?
Claude 2 is developed by Anthropic while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.
Which is better, Claude 2 or OpenAI o4-mini?
It depends on your use case. Claude 2 and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.
How much does Claude 2 cost compared to OpenAI o4-mini?
Claude 2 costs $11.02/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $9.92/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 Claude 2 and OpenAI o4-mini on Rival?
This page shows a side-by-side comparison of Claude 2 and OpenAI o4-mini 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.
More comparisons
Against the newest arrivals
- Claude 2 vs Gemini 4 ArgonLanded Oct 2026
- OpenAI o4-mini vs Muse WonderLanded Oct 2026
- Claude 2 vs GPT-4 TurboLanded Oct 2026
- OpenAI o4-mini vs Step 5 PreviewLanded Oct 2026
- Claude 2 vs Claude Haiku 5.5Landed Oct 2026
- OpenAI o4-mini vs Ling 3.1 FlashLanded Oct 2026
- Claude 2 vs Mistral Large 4Landed Oct 2026
- OpenAI o4-mini vs GPT-6.1 SolLanded Sep 2026
Same lab, same size, long tail
- Claude 2 vs Claude Sonnet 5.5Version compare
- Claude 2 vs Claude Opus 5.5Same lab
- OpenAI o4-mini vs OpenAI o3Version compare
- OpenAI o4-mini vs GPT-4 TurboSame lab
- Claude 2 vs GPT-5.6 LunaCross-provider
- Claude 2 vs GPT-5.6 Luna ProCross-provider
- Claude 2 vs GPT-5.6 SolCross-provider
- Claude 2 vs GPT-5.6 TerraSame size