Update AI types#6535
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samscott89
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Apr 8, 2026
emily-shen
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…mma-4 Add overload-based run() signatures for better type inference: - Batch request (queueRequest: true) -> AsyncResponse - Raw response (returnRawResponse: true) -> Response - WebSocket (websocket: true) -> Response - Streaming (stream: true in inputs) -> ReadableStream - Normal -> model-specific output type - Unknown model (gateway fallback) -> Record<string, unknown> The gateway fallback allows AI Gateway models (e.g. 'google/nano-banana') to be called without type errors while preserving full type safety for known Cloudflare AI models. Also adds gemma-4-26b-a4b-it model types and type-check tests.
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emily-shen
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Apr 9, 2026
danlapid
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Apr 9, 2026
emily-shen
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Apr 9, 2026
Merging this PR will degrade performance by 12.54%
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joshthoward
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Format ai.d.ts with prettierRemoved from PRruninterface to use overloads -- easier to read and easier to split input/output typesRemove per-model AsyncBatch types and use a newRemoved from PRrunoverload -- decrease the file size and improve types when not using batch