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  5. Grok 3 Mini BetavsTernary Bonsai 2 27B
Updated Sep 2026

Grok 3 Mini BetavsTernary Bonsai 2 27B

Ternary Bonsai 2 27B is cheaper than Grok 3 Mini Beta at $0.075/M vs $0.4/M input tokens.

Grok 3 Mini Beta and Ternary Bonsai 2 27B compared across 5 shared prompts
SpecGrok 3 Mini BetaTernary Bonsai 2 27B
Input price$0.4/M tokens$0.075/M tokens
Output price$0.8/M tokens$0.5/M tokens
Context window131K tokens262K tokens
Free API (OpenRouter)NoNo
ReleasedApr 2025Sep 2026
Our Verdict
Ternary Bonsai 2 27B
Ternary Bonsai 2 27B
Grok 3 Mini Beta
Grok 3 Mini BetaRunner-up

Not enough votes to call it. On the specs, Ternary Bonsai 2 27B has the edge: bigger model tier, newer, bigger context window.

Too close to call
API pricing

Cost per 1M tokens

Grok 3 Mini Beta
Input
$0.40
Output
$0.80
Ternary Bonsai 2 27B
Input
$0.07
5.3× cheaper
Output
$0.50
1.6× cheaper

Ternary Bonsai 2 27B is cheaper on both: 5.3× input, 1.6× output.

Where to run it

1 host

Grok 3 Mini Beta

No hosts listed on OpenRouter.

Ternary Bonsai 2 27B1 host
HostInOutContextUptime
DDarkbloomint4$0.07 in·$0.50 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Grok 3 Mini Beta is developed by xAI while Ternary Bonsai 2 27B is developed by PrismML. Grok 3 Mini Beta has a 131K token context window vs Ternary Bonsai 2 27B's 262K. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok 3 Mini Beta and Ternary Bonsai 2 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

Grok 3 Mini Beta costs $0.4/M input tokens and Ternary Bonsai 2 27B costs $0.075/M input tokens. Ternary Bonsai 2 27B is $0.33/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Grok 3 Mini Beta and Ternary Bonsai 2 27B 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

Grok 3 Mini Beta logo
Grok 3 Mini Beta13 outputs, specs and price
Ternary Bonsai 2 27B logo
Ternary Bonsai 2 27B9 outputs, specs and price
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