Muse Spark 1.1 vs 
Quasar Alpha
Muse Spark 1.1 has a larger context window than Quasar Alpha (1.0M tokens vs 1.0M tokens).
Minimalist Landing Page
Whole landing page for a startup that reads your face. It renders or it doesn't.
Loading the build
Loading the build
Which answer wins?
Price and specs
Not enough votes to call it. On the specs, Muse Spark 1.1 has the edge: newer, major provider backing.
| Spec | Muse Spark 1.1 | Quasar Alpha |
|---|---|---|
| Input price | $1.25/M tokens | — |
| Output price | $4.25/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | — |
| Released | Jul 2026 | Apr 2025 |
| At 10M a month | $12.50 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
Muse Spark 1.11 host
Quasar Alpha
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 11 Oct 2026.
Common questions
What is the difference between Muse Spark 1.1 and Quasar Alpha?
Muse Spark 1.1 is developed by Meta AI while Quasar Alpha is developed by OpenRouter. Muse Spark 1.1 has a 1.0M token context window vs Quasar Alpha's 1.0M. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.
Which is better, Muse Spark 1.1 or Quasar Alpha?
It depends on your use case. Muse Spark 1.1 and Quasar Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.
How can I compare Muse Spark 1.1 and Quasar Alpha on Rival?
This page shows a side-by-side comparison of Muse Spark 1.1 and Quasar 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
- Muse Spark 1.1 vs Step 5 PreviewLanded Oct 2026
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- Muse Spark 1.1 vs Ling 3.1 FlashLanded Oct 2026
- Quasar Alpha vs Mistral Large 4Landed Oct 2026
- Muse Spark 1.1 vs GPT-6.1 SolLanded Sep 2026
- Quasar Alpha vs Claude Sonnet 5.5Landed Sep 2026
- Muse Spark 1.1 vs Solar Mini 4Landed Sep 2026
- Quasar Alpha vs Qwen3.8 Max PrimeLanded Sep 2026
Same lab, same size, long tail
- Muse Spark 1.1 vs Muse Glimmer 30BSame lab
- Muse Spark 1.1 vs Muse Spark 1.3Same lab
- Quasar Alpha vs Ox AlphaSame lab
- Quasar Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
- Muse Spark 1.1 vs GPT-1New provider
- Muse Spark 1.1 vs Optimus AlphaSame size
- Muse Spark 1.1 vs Owl AlphaSame size
- Muse Spark 1.1 vs PaLM 2 ChatSame size
