66 lines
2.2 KiB
TypeScript
66 lines
2.2 KiB
TypeScript
import { createOpenAI } from '@ai-sdk/openai';
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import type { LanguageModel } from 'ai';
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import { BaseProvider } from '~/lib/modules/llm/base-provider';
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import type { ModelInfo } from '~/lib/modules/llm/types';
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import type { IProviderSetting } from '~/types/model';
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export default class OpenAIProvider extends BaseProvider {
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name = 'OpenAI';
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getApiKeyLink = 'https://platform.openai.com/api-keys';
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staticModels: ModelInfo[] = [
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{ name: 'gpt-4o', label: 'GPT-4o', provider: 'OpenAI', maxTokenAllowed: 8000 },
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{ name: 'gpt-4o-mini', label: 'GPT-4o Mini', provider: 'OpenAI', maxTokenAllowed: 8000 },
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{ name: 'gpt-4-turbo', label: 'GPT-4 Turbo', provider: 'OpenAI', maxTokenAllowed: 8000 },
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{ name: 'gpt-4', label: 'GPT-4', provider: 'OpenAI', maxTokenAllowed: 8000 },
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{ name: 'gpt-3.5-turbo', label: 'GPT-3.5 Turbo', provider: 'OpenAI', maxTokenAllowed: 8000 },
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];
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async getDynamicModels(settings?: IProviderSetting): Promise<ModelInfo[]> {
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const { apiKey } = this.getProviderBaseUrlAndKey(settings);
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if (!apiKey) {
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throw `Missing Api Key configuration for ${this.name} provider`;
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}
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const response = await fetch(`https://api.openai.com/v1/models`, {
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headers: {
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Authorization: `Bearer ${apiKey}`,
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},
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});
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const res = (await response.json()) as any;
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const staticModelIds = this.staticModels.map((m) => m.name);
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const data = res.data.filter(
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(model: any) =>
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model.object === 'model' &&
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(model.id.startsWith('gpt-') || model.id.startsWith('o') || model.id.startsWith('chatgpt-')) &&
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!staticModelIds.includes(model.id),
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);
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return data.map((m: any) => ({
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name: m.id,
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label: `${m.id}`,
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provider: this.name,
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maxTokenAllowed: m.context_window || 32000,
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}));
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}
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getModelInstance(options: { model: string; providerSettings?: Record<string, IProviderSetting> }): LanguageModel {
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const { model, providerSettings } = options;
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const { apiKey } = this.getProviderBaseUrlAndKey(providerSettings?.[this.name]);
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if (!apiKey) {
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throw new Error(`Missing API key for ${this.name} provider`);
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}
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const openai = createOpenAI({
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apiKey,
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});
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return openai(model);
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}
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}
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