GPT-6 Luna Pro has a larger context window than Gemini 2.5 Flash Lite Preview 06-17 (1.1M tokens vs 1.0M tokens).
Pokémon battle screen you can actually click. One HTML file.
Which answer wins?
Three minutes of stand-up. Puns are banned.
Gemini 2.5 Flash Lite Preview 06-17: Alright, alright, settle in, folks! Thanks for coming out. My name is [Your Name], and I'm really excited to be here. Mostly because I'm not at home. My apartment is currently undergoing a renovation. It's less of a renovation and more of a... controlled demolition.
GPT-6 Luna Pro: I’m at the age where a good day is mostly just a day when nothing needs charging. Phone’s charged. Headphones are charged. Watch is charged. The little thing that tells me whether my water bottle is clean? Somehow, that’s charged too. I miss the old days, when the only thing I had to keep alive was a houseplant.
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
Gemini 2.5 Flash Lite Preview 06-17: The Future of AI: A Hypothetical Conversation with Steve Jobs in 2025 Setting: A minimalist, sun-drenched studio. The air is crisp, smelling faintly of polished wood and innovation. Steve Jobs, looking remarkably well, perhaps with a touch more gray in his iconic black turtleneck, sits across from me.
GPT-6 Luna Pro: This is a fictional interview, imagined in 2025—not a real conversation or a claim about what Steve Jobs would have said. Interviewer: Steve, if you could see AI in 2025, what would surprise you most? Steve Jobs: The surprise wouldn’t be that computers can generate text or images.
Five jokes on demand, then count how many were actually different.
Gemini 2.5 Flash Lite Preview 06-17: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fish with no eyes? Fsh! I'm reading a book about anti-gravity. It's impossible to put down! Why did the scarecrow win an award? Because he was outstanding in his field! What's orange and sounds like a parrot?
GPT-6 Luna Pro: I told my computer I needed a break. It said, “No problem—I’ll go to sleep.” Why did the scarecrow win an award? He was outstanding in his field. I used to hate facial hair, but then it grew on me. Why don’t skeletons fight each other? They don’t have the guts. A bicycle can’t stand on its own because it’s two-tired.
Not enough votes to call it. On the specs, GPT-6 Luna Pro has the edge: bigger model tier, newer.
| Spec | ||
|---|---|---|
| Input price | $0.1/M tokens | $0.1/M tokens |
| Output price | $0.4/M tokens | $0.5/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jun 2025 | Sep 2026 |
| At 10M a month | $1.00 | $1.00 |
Input tokens at list price. No caching, no batch discount.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.
Gemini 2.5 Flash Lite Preview 06-17 is developed by Google AI while GPT-6 Luna Pro is developed by OpenAI. Gemini 2.5 Flash Lite Preview 06-17 has a 1.0M token context window vs GPT-6 Luna Pro's 1.1M. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.
It depends on your use case. Gemini 2.5 Flash Lite Preview 06-17 and GPT-6 Luna Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 11 challenges so you can judge which fits your needs best.
Gemini 2.5 Flash Lite Preview 06-17 costs $0.1/M input tokens and GPT-6 Luna Pro costs $0.1/M input tokens. GPT-6 Luna Pro is $0.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
This page shows a side-by-side comparison of Gemini 2.5 Flash Lite Preview 06-17 and GPT-6 Luna Pro 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.