GPT-6.1 Sol vs 
Llama 3.1 405B
GPT-6.1 Sol is cheaper than Llama 3.1 405B at $2/M vs $2.7/M input tokens.
Framer-Style Animation
Sections that transition like Framer. Timing is the whole grade.
Loading the build
Loading the build
Which answer wins?
Favorites
Movie
Album
Book
City
Game
GPT-6.1 SolGPT-6.1 Sol
Spirited Away
In Rainbows
Middlemarch
Kyoto
Outer Wilds
Llama 3.1 405BLlama 3.1 405B
No pick
No pick
No pick
No pick
Sgt Peppers Lonely Hearts Club Band
Cien años de soledad
No pick
No pick
Price and specs
| Spec | GPT-6.1 Sol | Llama 3.1 405B |
|---|---|---|
| Input price | $2/M tokens | $2.7/M tokens |
| Output price | $10/M tokens | $3.1/M tokens |
| Context window | 1.1M tokens | 128K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jul 2024 |
| At 10M a month | $20.00 | $27.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Llama 3.1 405B
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 30 Sep 2026.
Common questions
What is the difference between GPT-6.1 Sol and Llama 3.1 405B?
GPT-6.1 Sol is developed by OpenAI while Llama 3.1 405B is developed by Meta AI. GPT-6.1 Sol has a 1.1M token context window vs Llama 3.1 405B's 128K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.
Which is better, GPT-6.1 Sol or Llama 3.1 405B?
It depends on your use case. GPT-6.1 Sol and Llama 3.1 405B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.
How much does GPT-6.1 Sol cost compared to Llama 3.1 405B?
GPT-6.1 Sol costs $2/M input tokens and Llama 3.1 405B costs $2.7/M input tokens. GPT-6.1 Sol is $0.70/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-6.1 Sol and Llama 3.1 405B on Rival?
This page shows a side-by-side comparison of GPT-6.1 Sol and Llama 3.1 405B 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
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Same lab, same size, long tail
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