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AI21 Labs's retired models

1 candle lit

For Jamba 1.5 Large and Mini, and the AI21 models before them. An unofficial memorial: light a candle for the AI21 Labs model you miss.

The models we remember

  • Jamba 1.5 Large and Mini on Google Vertex AIFeb 27, 2026 · reported

Every lab's memorial

Candles lit here

  • Lit by Heartleigh

Light a candle for AI21 Labs's retired models

Free, lit here for a year. We email you a link that lights it. Or a real candle in our candle room for $9, while the stream is live.

Which candle?

A candle for AI21 Labs's retired models

What is said over it

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Who can see it

Shown on the page only if you choose to show your name.

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Free. Once you press the link we email you, your candle is lit on this page for a year, and before it goes out we can email you a link to relight it, free.

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There is a candle page for AI21 Labs's retired models on Heartleigh. If you would like to, you can light a candle there too: https://heartleigh.com/candles/for/ai21-labs-s-retired-models-s4hyy

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Short address, easy to say or type: heartleigh.com/c/s4hyy

AI21 Labs's retired models | Candle page | Heartleigh