Llama 3.1 405B vs 
Qwen3.5 122B A10B
Qwen3.5 122B A10B is cheaper than Llama 3.1 405B at $0.4/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
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
Qwen3.5 122B A10BQwen3.5 122B A10B
No pick
Blade Runner
No pick
Nineteen Eighty-Four
Tokyo
Portal 2
Price and specs
| Spec | Llama 3.1 405B | Qwen3.5 122B A10B |
|---|---|---|
| Input price | $2.7/M tokens | $0.4/M tokens |
| Output price | $3.1/M tokens | $3.2/M tokens |
| Context window | 128K tokens | 262K tokens |
| Parameters | 405B | 122B (10B active) |
| Weights | Open | Open |
| Free API (OpenRouter) | No | No |
| Released | Jul 2024 | Feb 2026 |
| At 10M a month | $27.00 | $4.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Llama 3.1 405B
No hosts listed on OpenRouter.
Qwen3.5 122B A10B4 hosts
- Novitabf16$0.40 in$3.20 out262k98.6% up
- Alibaba CloudDegraded on OpenRouter when checked, 10 Oct 2026$0.26 in$2.08 out262k88.4% up
- SiliconFlowfp8Degraded on OpenRouter when checked, 10 Oct 2026$0.26 in$2.08 out262k87.4% up
- AtlasCloudfp8Degraded on OpenRouter when checked, 10 Oct 2026$0.30 in$2.40 out262k53.5% up
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between Llama 3.1 405B and Qwen3.5 122B A10B?
Llama 3.1 405B is developed by Meta AI while Qwen3.5 122B A10B is developed by Qwen. Llama 3.1 405B has a 128K token context window vs Qwen3.5 122B A10B's 262K. 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 Qwen3.5 122B A10B?
It depends on your use case. Llama 3.1 405B and Qwen3.5 122B A10B 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 Qwen3.5 122B A10B?
Llama 3.1 405B costs $2.7/M input tokens and Qwen3.5 122B A10B costs $0.4/M input tokens. Qwen3.5 122B A10B is $2.30/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 Qwen3.5 122B A10B on Rival?
This page shows a side-by-side comparison of Llama 3.1 405B and Qwen3.5 122B A10B 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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Same lab, same size, long tail
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- Qwen3.5 122B A10B vs Qwen3.5 27BVersion compare
- Qwen3.5 122B A10B vs Qwen3.8 Omni FlashSame lab
- Qwen3.5 122B A10B vs Solar Pro 3Same size
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- Qwen3.5 122B A10B vs Sonar Pro SearchSame size
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