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  5. Granite 4.2 8BvsRiverflow V2 Fast
Updated Aug 2026

Granite 4.2 8BvsRiverflow V2 Fast

Granite 4.2 8B has a larger context window than Riverflow V2 Fast (131K tokens vs 8K tokens).

Granite 4.2 8B and Riverflow V2 Fast compared across 2 shared prompts
SpecGranite 4.2 8BRiverflow V2 Fast
Input price$0.1/M tokens—
Output price$0.15/M tokens—
Context window131K tokens8K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedAug 2026Feb 2026
Our Verdict
Granite 4.2 8B
Granite 4.2 8B
Riverflow V2 Fast
Riverflow V2 Fast

Not enough votes to call it. On the specs, nothing separates them.

Too close to call
API pricing

Cost per 1M tokens

Granite 4.2 8B
Input
$0.10
Output
$0.15
Riverflow V2 Fast
Input
—
Output
—
Where to run it

3 hosts, cheapest first

Granite 4.2 8B2 hosts
HostInOutContextUptime
DDeepInfrabf16$0.06 in·$0.25 out·131k·100% upCCoreWeavebf16$0.10 in·$0.15 out·131k·100% up
Riverflow V2 Fast1 host
HostInOutContextUptime
SSourceful$0 in·$0 out·8k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Granite 4.2 8B is developed by IBM Granite while Riverflow V2 Fast is developed by Sourceful. Granite 4.2 8B 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.

It depends on your use case. Granite 4.2 8B 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.

This page shows a side-by-side comparison of Granite 4.2 8B 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.

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Model pages

Granite 4.2 8B logo
Granite 4.2 8B58 outputs, specs and price
Riverflow V2 Fast logo
Riverflow V2 Fast2 outputs, specs and price
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