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A slew of compelling open-weight models have shipped from new players in both China and the US. As of June 2026, these are the four open-weight models that matter the most — and when to reach for each.
What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.
The Open Weight Models that Matter: June 2026. A slew of compelling open-weight models have shipped from new players in both China and the US. As of June 2026, these are the four open-weight models that matter the most — and when to reach for each.
Open source