Matan Kushner
59 lines
2.2 KiB
TypeScript
59 lines
2.2 KiB
TypeScript
function inferSubProvider(model: string): string | undefined {
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if (model.startsWith("claude-")) return "anthropic"
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if (model.startsWith("gpt-")) return "openai"
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if (model.startsWith("gemini-")) return "google"
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if (model.startsWith("grok-")) return "xai"
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if (model.startsWith("minimax-")) return "minimax"
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if (model.startsWith("kimi-")) return "moonshotai"
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if (model.startsWith("glm-")) return "zai"
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return undefined
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}
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const CLAUDE_VERSION_DOT = /claude-(\w+)-(\d+)-(\d+)/g
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const GEMINI_31_PRO_PREVIEW = /gemini-3\.1-pro(?!-)/g
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const GEMINI_3_FLASH_PREVIEW = /gemini-3-flash(?!-)/g
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function claudeVersionDot(model: string): string {
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return model.replace(CLAUDE_VERSION_DOT, "claude-$1-$2.$3")
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}
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function applyGatewayTransforms(model: string): string {
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return claudeVersionDot(model)
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.replace(GEMINI_31_PRO_PREVIEW, "gemini-3.1-pro-preview")
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}
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export function transformModelForProvider(provider: string, model: string): string {
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// Vercel AI Gateway expects <sub-provider>/<model> (e.g. anthropic/claude-opus-4.6).
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// Canonical names in model-requirements.ts may be bare (claude-opus-4-6) or
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// already prefixed (anthropic/claude-opus-4-6). Both need gateway-specific transforms.
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if (provider === "vercel") {
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// Already prefixed — transform only the model part
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const slashIndex = model.indexOf("/")
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if (slashIndex !== -1) {
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const subProvider = model.substring(0, slashIndex)
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const subModel = model.substring(slashIndex + 1)
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return `${subProvider}/${applyGatewayTransforms(subModel)}`
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}
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// Bare name — infer sub-provider from model prefix (claude- → anthropic, etc.)
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const subProvider = inferSubProvider(model)
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if (subProvider) {
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return `${subProvider}/${applyGatewayTransforms(model)}`
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}
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return model
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}
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if (provider === "github-copilot") {
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return claudeVersionDot(model)
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.replace(GEMINI_31_PRO_PREVIEW, "gemini-3.1-pro-preview")
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.replace(GEMINI_3_FLASH_PREVIEW, "gemini-3-flash-preview")
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}
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if (provider === "google") {
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return model
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.replace(GEMINI_31_PRO_PREVIEW, "gemini-3.1-pro-preview")
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.replace(GEMINI_3_FLASH_PREVIEW, "gemini-3-flash-preview")
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}
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if (provider === "anthropic") {
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return claudeVersionDot(model)
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}
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return model
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}
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