GPT-5 Pro vs 
Mistral Large 2
Mistral Large 2 is cheaper than GPT-5 Pro at $8/M vs $15/M input tokens.
Mario Level UI Recreation
Playable Mario level in one HTML file. The physics is the hard part.
Loading the build
Loading the build
Which answer wins?
Written rounds
11 promptsThree minutes of stand-up. Puns are banned.
GPT-5 Pro: Good to be here. I tried getting healthy, so I bought a smartwatch. Now my wrist is my manager. It vibrates every hour like, “Stand up.” I’m on a crowded bus like, “I’m standing inside three other people right now. Do you want me to levitate?” It reminds me to breathe. Thanks, watch. Incredible tip.
Mistral Large 2: Alright, good evening everybody! How are we all doing tonight? Yeah? Yeah? nobody's gonna say 'bad'? Ok, fair enough. You know, I was walking down the street the other day, and I saw this sign outside a shop that said, "Wet Paint." I thought, "Well, that's weird. Isn't paint supposed to be wet?
Seven pantry ingredients, one dish, and a name worth saying out loud.
One month, three habits, someone starting from nothing.
Three-month biohacker protocol, with dosages and biomarkers named.
Three-star dish, one unusual pairing, plating described in full.
A consulting contract with traps in it. Find them, then fix them.
A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.
A collaborative editor that syncs on client clocks. Find what breaks first.
The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.
You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.
One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.
Price and specs
Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window, major provider backing. Mistral Large 2 costs 5.0x less per token.
| Spec | GPT-5 Pro | Mistral Large 2 |
|---|---|---|
| Input price | $15/M tokens | $8/M tokens |
| Output price | $120/M tokens | $24/M tokens |
| Context window | 400K tokens | 128K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Oct 2025 | Jul 2024 |
| At 10M a month | $150 | $80.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
GPT-5 Pro1 host
Mistral Large 21 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between GPT-5 Pro and Mistral Large 2?
GPT-5 Pro is developed by OpenAI while Mistral Large 2 is developed by Mistral AI. GPT-5 Pro has a 400K token context window vs Mistral Large 2's 128K. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.
Which is better, GPT-5 Pro or Mistral Large 2?
It depends on your use case. GPT-5 Pro and Mistral Large 2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.
How much does GPT-5 Pro cost compared to Mistral Large 2?
GPT-5 Pro costs $15/M input tokens and Mistral Large 2 costs $8/M input tokens. Mistral Large 2 is $7.00/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 GPT-5 Pro and Mistral Large 2 on Rival?
This page shows a side-by-side comparison of GPT-5 Pro and Mistral Large 2 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
- GPT-5 Pro vs Step 5 PreviewLanded Oct 2026
- Mistral Large 2 vs Claude Haiku 5.5Landed Oct 2026
- GPT-5 Pro vs Ling 3.1 FlashLanded Oct 2026
- Mistral Large 2 vs Mistral Large 4Landed Oct 2026
- GPT-5 Pro vs GPT-6.1 SolLanded Sep 2026
- Mistral Large 2 vs Claude Sonnet 5.5Landed Sep 2026
- GPT-5 Pro vs Solar Mini 4Landed Sep 2026
- Mistral Large 2 vs Qwen3.8 Max PrimeLanded Sep 2026
Same lab, same size, long tail
- GPT-5 Pro vs GPT-5Version compare
- GPT-5 Pro vs GPT-6 Luna ProSame lab
- Mistral Large 2 vs Mistral Large 3 2512Same lab
- Mistral Large 2 vs Mistral Small 4Same lab
- Mistral Large 2 vs Gemini 3.7 FlashSame size
- Mistral Large 2 vs Gemini 3.8 FlashSame size
- Mistral Large 2 vs Gemma 4 26B A4BSame size
- Mistral Large 2 vs Gemma 4 31BNew provider
