feat(provider/gateway): support AI_GATEWAY_BASE_URL env for the base URL#16401
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brycedbjork wants to merge 1 commit into
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feat(provider/gateway): support AI_GATEWAY_BASE_URL env for the base URL#16401brycedbjork wants to merge 1 commit into
AI_GATEWAY_BASE_URL env for the base URL#16401brycedbjork wants to merge 1 commit into
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The gateway provider's base URL was only settable via `createGateway({ baseURL })`.
The default/global gateway provider (used to resolve plain `provider/model` strings)
is constructed internally, so callers can't point it at a custom endpoint without
building a provider by hand. Add an `AI_GATEWAY_BASE_URL` fallback, symmetric with
the existing `AI_GATEWAY_API_KEY` env.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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| const baseURL = | ||
| withoutTrailingSlash(options.baseURL) ?? | ||
| withoutTrailingSlash(options.baseURL ?? process.env.AI_GATEWAY_BASE_URL) ?? |
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Direct process.env.AI_GATEWAY_BASE_URL access at module-load time throws ReferenceError: process is not defined in browser/edge runtimes where process is not a global.
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Summary
The Gateway provider's base URL is only configurable via
createGateway({ baseURL }). The default / global gateway provider — the one the AI SDK uses to resolve plainprovider/modelstrings (e.g.generateText({ model: 'anthropic/claude-...' })) — is constructed internally, so callers have no way to point it at a custom endpoint without building a provider by hand and threading it through every call site.This adds an
AI_GATEWAY_BASE_URLenvironment-variable fallback, symmetric with the existingAI_GATEWAY_API_KEYenv, so the gateway endpoint can be overridden process-wide — useful for a self-hosted gateway, a local proxy that injects auth/headers, testing, or enterprise egress.Change
Precedence: explicit
options.baseURL→AI_GATEWAY_BASE_URL→ default. No behavior change when neither is set. The doc comment onGatewayProviderSettings.baseURLis updated to mention the env var, and a changeset is included.