HiDream L1 (Fast) vs 
Nano Banana 2.1
Nano Banana 2.1 is the newer model, released after HiDream L1 (Fast).
Hyperrealistic Portrait
One prompt, one photorealistic portrait. Skin, eyes, light.
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Which answer wins?
Price and specs
Not enough votes to call it. On the specs, Nano Banana 2.1 has the edge: newer, bigger context window, major provider backing.
| Spec | HiDream L1 (Fast) | Nano Banana 2.1 |
|---|---|---|
| Input price | — | $1.5/M tokens |
| Output price | — | $7.5/M tokens |
| Context window | — | 66K tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | — | No |
| Released | Apr 2025 | Oct 2026 |
| At 10M a month | not listed | $15.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
HiDream L1 (Fast)
No hosts listed on OpenRouter.
Nano Banana 2.11 host
Per million tokens. Prices and uptime via OpenRouter, checked 6 Oct 2026.
Common questions
What is the difference between HiDream L1 (Fast) and Nano Banana 2.1?
HiDream L1 (Fast) is developed by PrunaAI while Nano Banana 2.1 is developed by Google AI. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.
Which is better, HiDream L1 (Fast) or Nano Banana 2.1?
It depends on your use case. HiDream L1 (Fast) and Nano Banana 2.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.
How can I compare HiDream L1 (Fast) and Nano Banana 2.1 on Rival?
This page shows a side-by-side comparison of HiDream L1 (Fast) and Nano Banana 2.1 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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