Llama 3.1 405B vs 
Owl Alpha
Owl Alpha is cheaper than Llama 3.1 405B at $0/M vs $2.7/M input tokens.
Framer-Style Animation
Sections that transition like Framer. Timing is the whole grade.
Loading the build
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Which answer wins?
Favorites
Movie
Album
Book
City
Game
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
Owl AlphaOwl Alpha
The Matrix
OK Computer
Dune
Kyoto
The Legend of Zelda: Breath of the Wild
Price and specs
| Spec | Llama 3.1 405B | Owl Alpha |
|---|---|---|
| Input price | $2.7/M tokens | Free |
| Output price | $3.1/M tokens | Free |
| Context window | 128K tokens | 1.0M tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Jul 2024 | Apr 2026 |
| At 10M a month | $27.00 | $0 |
Input tokens at list price. No caching, no batch discount.
Common questions
What is the difference between Llama 3.1 405B and Owl Alpha?
Llama 3.1 405B is developed by Meta AI while Owl Alpha is developed by OpenRouter. Llama 3.1 405B has a 128K token context window vs Owl Alpha's 1.0M. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.
Which is better, Llama 3.1 405B or Owl Alpha?
It depends on your use case. Llama 3.1 405B and Owl Alpha 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 Llama 3.1 405B cost compared to Owl Alpha?
Llama 3.1 405B costs $2.7/M input tokens and Owl Alpha costs $0/M input tokens. Owl Alpha is $2.70/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 Llama 3.1 405B and Owl Alpha on Rival?
This page shows a side-by-side comparison of Llama 3.1 405B and Owl Alpha 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
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- Llama 3.1 405B vs GPT-6.1 SolLanded Sep 2026
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Same lab, same size, long tail
- Llama 3.1 405B vs Muse Glimmer 30BSame lab
- Llama 3.1 405B vs Muse Spark 1.3Same lab
- Owl Alpha vs Ox AlphaSame lab
- Owl Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
- Llama 3.1 405B vs GLM 5 TurboNew provider
- Llama 3.1 405B vs GLM 5.1New provider
- Llama 3.1 405B vs GLM 5.2Same size
- Llama 3.1 405B vs GLM 5.3New provider
