AI Model Release Tracker US & Canada · 16 releases tracked
Anthropic
16 releases latest Sep 28, 2026
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Claude Sonnet 5.5
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Claude Opus 5.5
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Claude Fable 5.1 and Claude Mythos 5.1
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Claude Opus 5
$5 / $25 per million input / output tokens.
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Claude Sonnet 5
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Claude Fable 5 and Claude Mythos 5
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Claude Opus 4.8
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Claude Opus 4.7
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Claude Sonnet 4.6
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Claude Opus 4.6
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Claude Opus 4.5
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Claude Haiku 4.5
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Claude Sonnet 4.5
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Claude Opus 4.1
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Claude Opus 4 and Claude Sonnet 4
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Claude 3.7 Sonnet
First hybrid reasoning Claude.