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feat: add Vercel AI Gateway as a provider

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Adds 'vercel' as a recognized provider throughout the model resolution
system, enabling users with Vercel AI Gateway to use it as a universal
fallback for OpenAI, Anthropic, and Google models.

The gateway transform infers the sub-provider from canonical model names
(claude->anthropic, gpt->openai, gemini->google) and delegates to the
appropriate provider-specific transform, producing model strings like
vercel/anthropic/claude-opus-4.6.
This commit is contained in:
Matan Kushner
2026-04-13 11:22:22 +09:00
parent 42df1c3cbb
commit dac0c99e8c
10 changed files with 116 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/shared/model-requirements.test.ts
+11 -11
View File
@@ -35,7 +35,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
expect(sisyphus.requiresAnyModel).toBe(true)
const primary = sisyphus.fallbackChain[0]
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode"])
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode", "vercel"])
expect(primary.model).toBe("claude-opus-4-6")
expect(primary.variant).toBe("max")
@@ -132,7 +132,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
expect(multimodalLooker.fallbackChain).toHaveLength(4)
const primary = multimodalLooker.fallbackChain[0]
expect(primary.providers).toEqual(["openai", "opencode"])
expect(primary.providers).toEqual(["openai", "opencode", "vercel"])
expect(primary.model).toBe("gpt-5.4")
expect(primary.variant).toBe("medium")
@@ -144,7 +144,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
expect(tertiary.model).toBe("glm-4.6v")
const last = multimodalLooker.fallbackChain[3]
expect(last.providers).toEqual(["openai", "github-copilot", "opencode"])
expect(last.providers).toEqual(["openai", "github-copilot", "opencode", "vercel"])
expect(last.model).toBe("gpt-5-nano")
})
@@ -160,7 +160,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
const primary = prometheus.fallbackChain[0]
expect(primary.model).toBe("claude-opus-4-6")
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode"])
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode", "vercel"])
expect(primary.variant).toBe("max")
})
@@ -176,12 +176,12 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
const primary = metis.fallbackChain[0]
expect(primary.model).toBe("claude-opus-4-6")
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode"])
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode", "vercel"])
expect(primary.variant).toBe("max")
const openAiFallback = metis.fallbackChain.find((entry) => entry.providers.includes("openai"))
expect(openAiFallback).toEqual({
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "high",
})
@@ -223,7 +223,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
const tertiary = atlas.fallbackChain[2]
expect(tertiary).toEqual({
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "medium",
})
@@ -245,7 +245,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
// then
expect(openAiFallback).toEqual({
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "medium",
})
@@ -261,7 +261,7 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
// #when - accessing hephaestus requirement
// #then - requiresProvider includes openai, github-copilot, venice, and opencode
expect(hephaestus).toBeDefined()
expect(hephaestus.requiresProvider).toEqual(["openai", "github-copilot", "venice", "opencode"])
expect(hephaestus.requiresProvider).toEqual(["openai", "github-copilot", "venice", "opencode", "vercel"])
expect(hephaestus.requiresModel).toBeUndefined()
})
@@ -415,12 +415,12 @@ describe("CATEGORY_MODEL_REQUIREMENTS", () => {
const primary = unspecifiedHigh.fallbackChain[0]
expect(primary.model).toBe("claude-opus-4-6")
expect(primary.variant).toBe("max")
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode"])
expect(primary.providers).toEqual(["anthropic", "github-copilot", "opencode", "vercel"])
const secondary = unspecifiedHigh.fallbackChain[1]
expect(secondary.model).toBe("gpt-5.4")
expect(secondary.variant).toBe("high")
expect(secondary.providers).toEqual(["openai", "github-copilot", "opencode"])
expect(secondary.providers).toEqual(["openai", "github-copilot", "opencode", "vercel"])
})
test("artistry has valid fallbackChain with gemini-3.1-pro as primary", () => {
src/shared/model-requirements.ts
+44 -44
View File
@@ -21,7 +21,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
sisyphus: {
fallbackChain: [
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
@@ -38,7 +38,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
],
model: "kimi-k2.5",
},
{ providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.4", variant: "medium" },
{ providers: ["openai", "github-copilot", "opencode", "vercel"], model: "gpt-5.4", variant: "medium" },
{ providers: ["zai-coding-plan", "opencode"], model: "glm-5" },
{ providers: ["opencode"], model: "big-pickle" },
],
@@ -47,27 +47,27 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
hephaestus: {
fallbackChain: [
{
providers: ["openai", "github-copilot", "venice", "opencode"],
providers: ["openai", "github-copilot", "venice", "opencode", "vercel"],
model: "gpt-5.4",
variant: "medium",
},
],
requiresProvider: ["openai", "github-copilot", "venice", "opencode"],
requiresProvider: ["openai", "github-copilot", "venice", "opencode", "vercel"],
},
oracle: {
fallbackChain: [
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "high",
},
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
@@ -78,7 +78,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
fallbackChain: [
{ providers: ["opencode-go"], model: "minimax-m2.7" },
{ providers: ["opencode"], model: "minimax-m2.7-highspeed" },
{ providers: ["anthropic", "opencode"], model: "claude-haiku-4-5" },
{ providers: ["anthropic", "opencode", "vercel"], model: "claude-haiku-4-5" },
{ providers: ["opencode"], model: "gpt-5-nano" },
],
},
@@ -87,33 +87,33 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
{ providers: ["github-copilot", "xai"], model: "grok-code-fast-1" },
{ providers: ["opencode-go"], model: "minimax-m2.7-highspeed" },
{ providers: ["opencode"], model: "minimax-m2.7" },
{ providers: ["anthropic", "opencode"], model: "claude-haiku-4-5" },
{ providers: ["anthropic", "opencode", "vercel"], model: "claude-haiku-4-5" },
{ providers: ["opencode"], model: "gpt-5-nano" },
],
},
"multimodal-looker": {
fallbackChain: [
{ providers: ["openai", "opencode"], model: "gpt-5.4", variant: "medium" },
{ providers: ["openai", "opencode", "vercel"], model: "gpt-5.4", variant: "medium" },
{ providers: ["opencode-go"], model: "kimi-k2.5" },
{ providers: ["zai-coding-plan"], model: "glm-4.6v" },
{ providers: ["openai", "github-copilot", "opencode"], model: "gpt-5-nano" },
{ providers: ["openai", "github-copilot", "opencode", "vercel"], model: "gpt-5-nano" },
],
},
prometheus: {
fallbackChain: [
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "high",
},
{ providers: ["opencode-go"], model: "glm-5" },
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
},
],
@@ -121,12 +121,12 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
metis: {
fallbackChain: [
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "high",
},
@@ -137,17 +137,17 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
momus: {
fallbackChain: [
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "xhigh",
},
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
@@ -156,10 +156,10 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
atlas: {
fallbackChain: [
{ providers: ["anthropic", "github-copilot", "opencode"], model: "claude-sonnet-4-6" },
{ providers: ["anthropic", "github-copilot", "opencode", "vercel"], model: "claude-sonnet-4-6" },
{ providers: ["opencode-go"], model: "kimi-k2.5" },
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "medium",
},
@@ -168,10 +168,10 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
"sisyphus-junior": {
fallbackChain: [
{ providers: ["anthropic", "github-copilot", "opencode"], model: "claude-sonnet-4-6" },
{ providers: ["anthropic", "github-copilot", "opencode", "vercel"], model: "claude-sonnet-4-6" },
{ providers: ["opencode-go"], model: "kimi-k2.5" },
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "medium",
},
@@ -185,13 +185,13 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
"visual-engineering": {
fallbackChain: [
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
{ providers: ["zai-coding-plan", "opencode"], model: "glm-5" },
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
@@ -202,17 +202,17 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
ultrabrain: {
fallbackChain: [
{
providers: ["openai", "opencode"],
providers: ["openai", "opencode", "vercel"],
model: "gpt-5.4",
variant: "xhigh",
},
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
@@ -222,17 +222,17 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
deep: {
fallbackChain: [
{
providers: ["openai", "github-copilot", "venice", "opencode"],
providers: ["openai", "github-copilot", "venice", "opencode", "vercel"],
model: "gpt-5.4",
variant: "medium",
},
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
@@ -241,31 +241,31 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
artistry: {
fallbackChain: [
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
{ providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.4" },
{ providers: ["openai", "github-copilot", "opencode", "vercel"], model: "gpt-5.4" },
],
requiresModel: "gemini-3.1-pro",
},
quick: {
fallbackChain: [
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4-mini",
},
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-haiku-4-5",
},
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
},
{ providers: ["opencode-go"], model: "minimax-m2.7" },
@@ -275,17 +275,17 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
"unspecified-low": {
fallbackChain: [
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-sonnet-4-6",
},
{
providers: ["openai", "opencode"],
providers: ["openai", "opencode", "vercel"],
model: "gpt-5.3-codex",
variant: "medium",
},
{ providers: ["opencode-go"], model: "kimi-k2.5" },
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
},
{ providers: ["opencode-go"], model: "minimax-m2.7" },
@@ -294,12 +294,12 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
"unspecified-high": {
fallbackChain: [
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-6",
variant: "max",
},
{
providers: ["openai", "github-copilot", "opencode"],
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4",
variant: "high",
},
@@ -323,12 +323,12 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
writing: {
fallbackChain: [
{
providers: ["google", "github-copilot", "opencode"],
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
},
{ providers: ["opencode-go"], model: "kimi-k2.5" },
{
providers: ["anthropic", "github-copilot", "opencode"],
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-sonnet-4-6",
},
{ providers: ["opencode-go"], model: "minimax-m2.7" },
src/shared/provider-model-id-transform.ts
+21
View File
@@ -1,4 +1,25 @@
function inferSubProvider(model: string): string | undefined {
if (model.startsWith("claude-")) return "anthropic"
if (model.startsWith("gpt-")) return "openai"
if (model.startsWith("gemini-")) return "google"
if (model.startsWith("grok-")) return "xai"
return undefined
}
export function transformModelForProvider(provider: string, model: string): string {
if (provider === "vercel") {
const slashIndex = model.indexOf("/")
if (slashIndex !== -1) {
const subProvider = model.substring(0, slashIndex)
const subModel = model.substring(slashIndex + 1)
return `${subProvider}/${transformModelForProvider(subProvider, subModel)}`
}
const subProvider = inferSubProvider(model)
if (subProvider) {
return `${subProvider}/${transformModelForProvider(subProvider, model)}`
}
return model
}
if (provider === "github-copilot") {
return model
.replace("claude-opus-4-6", "claude-opus-4.6")