nai-degen
51 lines
1.6 KiB
TypeScript
51 lines
1.6 KiB
TypeScript
import { logger } from "../logger";
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export type OpenAIModelFamily = "turbo" | "gpt4" | "gpt4-32k";
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export type AnthropicModelFamily = "claude";
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export type GooglePalmModelFamily = "bison";
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export type ModelFamily =
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| OpenAIModelFamily
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| AnthropicModelFamily
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| GooglePalmModelFamily;
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export const MODEL_FAMILIES = (<A extends readonly ModelFamily[]>(
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arr: A & ([ModelFamily] extends [A[number]] ? unknown : never)
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) => arr)(["turbo", "gpt4", "gpt4-32k", "claude", "bison"] as const);
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export const OPENAI_MODEL_FAMILY_MAP: { [regex: string]: OpenAIModelFamily } = {
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"^gpt-4-32k-\\d{4}$": "gpt4-32k",
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"^gpt-4-32k$": "gpt4-32k",
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"^gpt-4-\\d{4}$": "gpt4",
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"^gpt-4$": "gpt4",
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"^gpt-3.5-turbo": "turbo",
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"^text-embedding-ada-002$": "turbo",
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};
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export function getOpenAIModelFamily(model: string): OpenAIModelFamily {
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for (const [regex, family] of Object.entries(OPENAI_MODEL_FAMILY_MAP)) {
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if (model.match(regex)) return family;
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}
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const stack = new Error().stack;
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logger.warn({ model, stack }, "Unmapped model family");
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return "gpt4";
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}
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export function getClaudeModelFamily(_model: string): ModelFamily {
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return "claude";
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}
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export function getGooglePalmModelFamily(model: string): ModelFamily {
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if (model.match(/^\w+-bison-\d{3}$/)) return "bison";
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const stack = new Error().stack;
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logger.warn({ model, stack }, "Unmapped PaLM model family");
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return "bison";
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}
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export function assertIsKnownModelFamily(
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modelFamily: string
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): asserts modelFamily is ModelFamily {
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if (!MODEL_FAMILIES.includes(modelFamily as ModelFamily)) {
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throw new Error(`Unknown model family: ${modelFamily}`);
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}
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}
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