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Grok 4.3: model archive

Grok 4.3 is a previous model version. This page remains for older publications, links, and version history; use Grok 4.5 for new work.

Grok 4.3 is not available in Neiron. The closest alternative in Neiron is Grok 4.5.

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Version archive

Model-family history

Best for

Older publications and linksVersion comparison

Settings

Grok 4.3 can no longer be selected in the product. The current alternative is Grok 4.5.

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Grok 4.5

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FAQ

Can I select Grok 4.3 in Neiron now?

No. Use the current Grok 4.5 model for new work.

Why is the archive page preserved?

It keeps older links and publication context usable after the model family is updated.