Claude Opus 4.8 available in Kiro | CodexMaster

Tuesday, September 1, 2026

Signal Rankings Digest

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2026-05-29May 29, 2026releaseKiro

Claude Opus 4.8 available in Kiro

Direct upgrade from Opus 4.7 with stronger self-verification; 1M context, 128K max output (2.2x credit multiplier).

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primaryrelease_radarverified2026-05-29
Claude Opus 4.8 available in Kiro
kiro.dev

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