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Crouton Alpha (free) vs Union Alpha (free)

Compare Crouton Alpha (free) from Stealth and Union Alpha (free) from Stealth on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

StealthCrouton Alpha (free)StealthUnion Alpha (free)
Stealth logo
Crouton Alpha (free)
Stealth · text, image → text

Developed by Stealth, crouton-alpha-free is a lightweight model built for scalable coding, agentic, and multimodal workflows. Featuring an expansive context window of 1,048,576 tokens, it is ideal for executing agentic sub-tasks, tool use, and deep document analysis. This model is highly optimized for developers looking to streamline high-volume, repetitive tasks.

Input$0 /M
Output$0 /M
Stealth logo
Union Alpha (free)
Stealth · text, image → text

Developed by Stealth, Union Alpha is a multimodal model built for research, coding, and agentic workflows. It delivers frontier-level performance across a broad range of general-purpose tasks. Featuring a massive 262,144 token context window, this model is highly capable of handling extensive and complex tasks.

Input$0 /M
Output$0 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Crouton Alpha (free)
Union Alpha (free)
Input /M
$0
$0
Output /M
$0
$0
Cache read /M
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Context length
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262,144
Max output
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0
Time to First Token
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-
Throughput
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-
Modalities
textimage
textimage
Supported Parameters
API Formats
Released
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

crouton-alpha-freeunion-alpha-free

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

crouton-alpha-freeunion-alpha-free

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

Crouton Alpha (free)
$0.00 /mo
Union Alpha (free)
$0.00 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

What inputs and capabilities does each model support?

Crouton Alpha (free) accepts text and image input; Union Alpha (free) accepts text and image input.

Can I call Crouton Alpha (free) and Union Alpha (free) with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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