106 lines
2.9 KiB
TypeScript
106 lines
2.9 KiB
TypeScript
// Don't import anything here, this is imported by config.ts
|
|
|
|
import pino from "pino";
|
|
|
|
export type OpenAIModelFamily =
|
|
| "turbo"
|
|
| "gpt4"
|
|
| "gpt4-32k"
|
|
| "gpt4-turbo"
|
|
| "dall-e";
|
|
export type AnthropicModelFamily = "claude";
|
|
export type GooglePalmModelFamily = "bison";
|
|
export type AwsBedrockModelFamily = "aws-claude";
|
|
export type AzureOpenAIModelFamily = `azure-${Exclude<
|
|
OpenAIModelFamily,
|
|
"dall-e"
|
|
>}`;
|
|
export type ModelFamily =
|
|
| OpenAIModelFamily
|
|
| AnthropicModelFamily
|
|
| GooglePalmModelFamily
|
|
| AwsBedrockModelFamily
|
|
| AzureOpenAIModelFamily;
|
|
|
|
export const MODEL_FAMILIES = (<A extends readonly ModelFamily[]>(
|
|
arr: A & ([ModelFamily] extends [A[number]] ? unknown : never)
|
|
) => arr)([
|
|
"turbo",
|
|
"gpt4",
|
|
"gpt4-32k",
|
|
"gpt4-turbo",
|
|
"dall-e",
|
|
"claude",
|
|
"bison",
|
|
"aws-claude",
|
|
"azure-turbo",
|
|
"azure-gpt4",
|
|
"azure-gpt4-32k",
|
|
"azure-gpt4-turbo",
|
|
] as const);
|
|
|
|
export const OPENAI_MODEL_FAMILY_MAP: { [regex: string]: OpenAIModelFamily } = {
|
|
"^gpt-4-1106(-preview)?$": "gpt4-turbo",
|
|
"^gpt-4(-\\d{4})?-vision(-preview)?$": "gpt4-turbo",
|
|
"^gpt-4-32k-\\d{4}$": "gpt4-32k",
|
|
"^gpt-4-32k$": "gpt4-32k",
|
|
"^gpt-4-\\d{4}$": "gpt4",
|
|
"^gpt-4$": "gpt4",
|
|
"^gpt-3.5-turbo": "turbo",
|
|
"^text-embedding-ada-002$": "turbo",
|
|
"^dall-e-\\d{1}$": "dall-e",
|
|
};
|
|
|
|
const modelLogger = pino({ level: "debug" }).child({ module: "startup" });
|
|
|
|
export function getOpenAIModelFamily(
|
|
model: string,
|
|
defaultFamily: OpenAIModelFamily = "gpt4"
|
|
): OpenAIModelFamily {
|
|
for (const [regex, family] of Object.entries(OPENAI_MODEL_FAMILY_MAP)) {
|
|
if (model.match(regex)) return family;
|
|
}
|
|
return defaultFamily;
|
|
}
|
|
|
|
export function getClaudeModelFamily(model: string): ModelFamily {
|
|
if (model.startsWith("anthropic.")) return getAwsBedrockModelFamily(model);
|
|
return "claude";
|
|
}
|
|
|
|
export function getGooglePalmModelFamily(model: string): ModelFamily {
|
|
if (model.match(/^\w+-bison-\d{3}$/)) return "bison";
|
|
modelLogger.warn({ model }, "Could not determine Google PaLM model family");
|
|
return "bison";
|
|
}
|
|
|
|
export function getAwsBedrockModelFamily(_model: string): ModelFamily {
|
|
return "aws-claude";
|
|
}
|
|
|
|
export function getAzureOpenAIModelFamily(
|
|
model: string,
|
|
defaultFamily: AzureOpenAIModelFamily = "azure-gpt4"
|
|
): AzureOpenAIModelFamily {
|
|
// Azure model names omit periods. addAzureKey also prepends "azure-" to the
|
|
// model name to route the request the correct keyprovider, so we need to
|
|
// remove that as well.
|
|
const modified = model
|
|
.replace("gpt-35-turbo", "gpt-3.5-turbo")
|
|
.replace("azure-", "");
|
|
for (const [regex, family] of Object.entries(OPENAI_MODEL_FAMILY_MAP)) {
|
|
if (modified.match(regex)) {
|
|
return `azure-${family}` as AzureOpenAIModelFamily;
|
|
}
|
|
}
|
|
return defaultFamily;
|
|
}
|
|
|
|
export function assertIsKnownModelFamily(
|
|
modelFamily: string
|
|
): asserts modelFamily is ModelFamily {
|
|
if (!MODEL_FAMILIES.includes(modelFamily as ModelFamily)) {
|
|
throw new Error(`Unknown model family: ${modelFamily}`);
|
|
}
|
|
}
|