@effect/ai-anthropic@4.0.0 @effect/ai-openai@4.0.0

Effect-TS/effectOct 1, 2026 → Oct 1, 20260 days between releases

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The Two Releases

@effect/ai-anthropic@4.0.0

@effect/ai-anthropic@4.0.0

Oct 1, 2026· 21 days ago

Updates the Anthropic provider package to v4.0.0, aligning it with the new Effect monorepo structure and integrating the new AI module features such as EmbeddingModel and DecisionModel.

Full release notes
@effect/ai-openai@4.0.0

@effect/ai-openai@4.0.0

Oct 1, 2026· 21 days ago

Effect 4.0 is the first stable release of the Effect v4 series, introducing a unified versioning strategy across all packages, a rewritten fiber runtime for better performance, and significant updates to Schema, Platform, HTTP, SQL, and AI modules.

Full release notes