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September 24, 2025 14:14
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Retryable for Anthropic overloaded error
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| import type { LanguageModelV2 } from '@ai-sdk/provider'; | |
| import { APICallError } from 'ai'; | |
| import type { Retryable, RetryModel } from '../create-retryable-model.js'; | |
| import { isErrorAttempt, isResultAttempt } from '../create-retryable-model.js'; | |
| import { isObject, isString } from '../utils.js'; | |
| /** | |
| * Fallback to a different model if Anthropic returns an "overloaded" error. | |
| * | |
| * ``` | |
| * HTTP 200 OK | |
| * {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}} | |
| * ``` | |
| */ | |
| export function overloaded( | |
| model: LanguageModelV2, | |
| options?: Omit<RetryModel, 'model'>, | |
| ): Retryable { | |
| return (context) => { | |
| const { current } = context; | |
| if (isErrorAttempt(current)) { | |
| const { error } = current; | |
| if ( | |
| APICallError.isInstance(error) && | |
| isObject(error.data) && | |
| isObject(error.data.error) && | |
| isString(error.data.error.message) && | |
| error.data.error.message.toLowerCase() === 'content_filter' | |
| ) { | |
| return { model, maxAttempts: 1, ...options }; | |
| } | |
| } | |
| if (isResultAttempt(current)) { | |
| const { result } = current; | |
| if ( | |
| result.response && | |
| isObject(result.response.body) && | |
| isObject(result.response.body.error) && | |
| isString(result.response.body.error.message) && | |
| result.response.body.error.message.toLowerCase() === 'overloaded' | |
| ) { | |
| return { model, maxAttempts: 1, ...options }; | |
| } | |
| } | |
| return undefined; | |
| }; | |
| } |
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