Muse Glimmer 30B vs 
Riverflow V2 Fast
Muse Glimmer 30B has a larger context window than Riverflow V2 Fast (131K tokens vs 8K tokens).
Written rounds
2 promptsBuy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
Price and specs
| Spec | Muse Glimmer 30B | Riverflow V2 Fast |
|---|---|---|
| Input price | $0.3/M tokens | — |
| Output price | $1.2/M tokens | — |
| Context window | 131K tokens | 8K tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Aug 2026 | Feb 2026 |
| At 10M a month | $3.00 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
Riverflow V2 Fast1 host
Per million tokens. Prices and uptime via OpenRouter, checked 7 Oct 2026.
Common questions
What is the difference between Muse Glimmer 30B and Riverflow V2 Fast?
Muse Glimmer 30B is developed by Meta AI while Riverflow V2 Fast is developed by Sourceful. Muse Glimmer 30B has a 131K token context window vs Riverflow V2 Fast's 8K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.
Which is better, Muse Glimmer 30B or Riverflow V2 Fast?
It depends on your use case. Muse Glimmer 30B and Riverflow V2 Fast each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.
How can I compare Muse Glimmer 30B and Riverflow V2 Fast on Rival?
This page shows a side-by-side comparison of Muse Glimmer 30B and Riverflow V2 Fast 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 Glimmer 30B vs Ling 3.1 FlashLanded Oct 2026
- Riverflow V2 Fast vs Mistral Large 4Landed Oct 2026
- Muse Glimmer 30B vs GPT-6.1 SolLanded Sep 2026
- Riverflow V2 Fast vs Claude Sonnet 5.5Landed Sep 2026
- Muse Glimmer 30B vs Solar Mini 4Landed Sep 2026
- Riverflow V2 Fast vs Qwen3.8 Max PrimeLanded Sep 2026
- Muse Glimmer 30B vs GLM 5.3 PrimeLanded Sep 2026
- Riverflow V2 Fast vs Qwen3.8 Omni FlashLanded Sep 2026
Same lab, same size, long tail
- Muse Glimmer 30B vs Muse Spark 1.3Same lab
- Muse Glimmer 30B vs Muse Spark 1.3 ContributorSame lab
- Riverflow V2 Fast vs Ox AlphaSame size
- Riverflow V2 Fast vs MiniMax M3Same size
- Riverflow V2 Fast vs Qwen3.7 MaxNew provider
- Riverflow V2 Fast vs Qwen3.7 PlusSame size
- Riverflow V2 Fast vs Qwen3.8 2.4T A95BNew provider
- Riverflow V2 Fast vs Qwen3.8 27BNew provider
