GPT-4.1 Nano vs 
Quasar Alpha
GPT-4.1 Nano 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
| Spec | GPT-4.1 Nano | Quasar Alpha |
|---|---|---|
| Input price | $0.1/M tokens | — |
| Output price | $0.4/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Parameters | Not disclosed | Not disclosed |
| Weights | Closed | — |
| Free API (OpenRouter) | No | — |
| Released | Apr 2025 | Apr 2025 |
| Aider Polyglot | 9.8% | 55.0% |
| At 10M a month | $1.00 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
GPT-4.1 Nano2 hosts
Quasar Alpha
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
Common questions
What is the difference between GPT-4.1 Nano and Quasar Alpha?
GPT-4.1 Nano is developed by OpenAI while Quasar Alpha is developed by OpenRouter. GPT-4.1 Nano 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, GPT-4.1 Nano or Quasar Alpha?
It depends on your use case. GPT-4.1 Nano 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 GPT-4.1 Nano and Quasar Alpha on Rival?
This page shows a side-by-side comparison of GPT-4.1 Nano 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.
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Same lab, same size, long tail
- GPT-4.1 Nano vs GPT-6.1 SolVersion compare
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