Gemma 4 26B A4B vs 
Riverflow V2 Fast
Gemma 4 26B A4B has a larger context window than Riverflow V2 Fast (262K 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
Not enough votes to call it. On the specs, Gemma 4 26B A4B has the edge: newer, bigger context window, major provider backing.
| Spec | Gemma 4 26B A4B | Riverflow V2 Fast |
|---|---|---|
| Input price | $0.13/M tokens | — |
| Output price | $0.4/M tokens | — |
| Context window | 262K tokens | 8K tokens |
| Weights | Open | — |
| Free API (OpenRouter) | Yes (1 provider) | No |
| Released | Apr 2026 | Feb 2026 |
| At 10M a month | $1.30 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
Gemma 4 26B A4B13 hosts
- Darkbloom$0.04 in$0.22 out131k100% up
- io.netbf16$0.05 in$0.21 out262k100% up
- DekaLLMbf16$0.06 in$0.33 out262k100% up
- NextBitbf16$0.07 in$0.23 out262k100% up
- DeepInfrafp8$0.07 in$0.34 out262k98.7% up
- Makora$0.08 in$0.32 out256k100% up
7 more hostsFewer hosts
- Cloudflare Workers AI$0.10 in$0.30 out256k100% up
- CoreWeavebf16$0.10 in$0.30 out262k99.8% up
- Novitabf16$0.13 in$0.40 out262k99.8% up
- Parasailbf16$0.13 in$0.40 out262k99.8% up
- SiliconFlowfp8$0.14 in$0.40 out262k97.2% up
- Venicebf16Degraded on OpenRouter when checked, 10 Oct 2026$0.13 in$0.40 out256k99.4% up
- Google Vertex AIDegraded on OpenRouter when checked, 10 Oct 2026$0.15 in$0.60 out262k93.3% up
Riverflow V2 Fast1 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between Gemma 4 26B A4B and Riverflow V2 Fast?
Gemma 4 26B A4B is developed by Google AI while Riverflow V2 Fast is developed by Sourceful. Gemma 4 26B A4B has a 262K 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, Gemma 4 26B A4B or Riverflow V2 Fast?
It depends on your use case. Gemma 4 26B A4B 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 Gemma 4 26B A4B and Riverflow V2 Fast on Rival?
This page shows a side-by-side comparison of Gemma 4 26B A4B 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
- Gemma 4 26B A4B vs Step 5 PreviewLanded Oct 2026
- Riverflow V2 Fast vs Claude Haiku 5.5Landed Oct 2026
- Gemma 4 26B A4B vs Ling 3.1 FlashLanded Oct 2026
- Riverflow V2 Fast vs Mistral Large 4Landed Oct 2026
- Gemma 4 26B A4B vs GPT-6.1 SolLanded Sep 2026
- Riverflow V2 Fast vs Claude Sonnet 5.5Landed Sep 2026
- Gemma 4 26B A4B vs Solar Mini 4Landed Sep 2026
- Riverflow V2 Fast vs Qwen3.8 Max PrimeLanded Sep 2026
Same lab, same size, long tail
- Gemma 4 26B A4B vs Gemini 3.8 FlashSame lab
- Gemma 4 26B A4B vs Gemini 3.7 FlashSame lab
- Riverflow V2 Fast vs Ox AlphaSame size
- Riverflow V2 Fast vs GPT-6.1 SolSame size
- Riverflow V2 Fast vs Mercury 2.5Same size
- Riverflow V2 Fast vs Mercury 2.5 PreviewNew provider
- Gemma 4 26B A4B vs MiMo-V2-FlashNew provider
- Riverflow V2 Fast vs MiMo-V2-OmniSame size
