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feat: add support to custom base URL and models #143

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feat: add support to custom base URL and models #143

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c54d81b
feat: add support to custom base URL and models
MagdielCAS Sep 6, 2024
ce3059d
fix wrong name of type
MagdielCAS Sep 8, 2024
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10 changes: 9 additions & 1 deletion plugins/openai/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ import {
} from './gpt.js';
import { SUPPORTED_TTS_MODELS, ttsModel, tts1, tts1Hd } from './tts.js';
import { whisper1, whisper1Model } from './whisper.js';
import { ModelAction } from '@genkit-ai/ai/model';
import z from 'zod';
export {
dallE3,
gpt35Turbo,
Expand All @@ -52,8 +54,12 @@ export {
textEmbeddingAda002,
};

export type OpenAICustomModelAction = <CustomOptionsSchema extends z.ZodTypeAny = z.ZodTypeAny>(client: OpenAI) => ModelAction<CustomOptionsSchema>

export interface PluginOptions {
apiKey?: string;
baseURL?: string;
customModels?: Array<OpenAICustomModelAction>;
}

/**
Expand Down Expand Up @@ -106,7 +112,8 @@ export const openAI: Plugin<[PluginOptions] | []> = genkitPlugin(
throw new Error(
'please pass in the API key or set the OPENAI_API_KEY environment variable'
);
const client = new OpenAI({ apiKey });
const baseURL = options?.baseURL || process.env.OPENAI_BASE_URL;
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we should set one by default if both are empty

const client = new OpenAI({ apiKey, baseURL });
return {
models: [
...Object.keys(SUPPORTED_GPT_MODELS).map((name) =>
Expand All @@ -117,6 +124,7 @@ export const openAI: Plugin<[PluginOptions] | []> = genkitPlugin(
),
dallE3Model(client),
whisper1Model(client),
...(options?.customModels?.map(model => model(client)) || []),
],
embedders: Object.keys(SUPPORTED_EMBEDDING_MODELS).map((name) =>
openaiEmbedder(name, options)
Expand Down