From 6ea83b6fbafb31d98f5d78fcac21c39b2c489b97 Mon Sep 17 00:00:00 2001
From: David Lo Dico <david_LD@Live.nl>
Date: Wed, 18 Feb 2026 12:48:16 +0100
Subject: [PATCH] feat: add EUrouter as AI provider

Add EUrouter (eurouter.ai) as an OpenAI-compatible AI provider for
EU-based GDPR-compliant model routing. Uses the existing
createOpenAICompatible pattern from @ai-sdk/openai-compatible.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 examples/09-ai/02-playground/src/data/aimodels.ts        | 3 +++
 packages/xl-ai-server/.env.example                       | 3 ++-
 .../xl-ai-server/src/routes/model-playground/index.ts    | 6 ++++++
 packages/xl-ai/src/testUtil/testAIModels.ts              | 9 ++++++++-
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/examples/09-ai/02-playground/src/data/aimodels.ts b/examples/09-ai/02-playground/src/data/aimodels.ts
index 329805d1b2..caa69eb6a7 100644
--- a/examples/09-ai/02-playground/src/data/aimodels.ts
+++ b/examples/09-ai/02-playground/src/data/aimodels.ts
@@ -20,4 +20,7 @@ export const AI_MODELS = [
   "google.generative-ai/gemini-1.5-flash",
   "google.generative-ai/gemini-2.5-pro",
   "google.generative-ai/gemini-2.5-flash",
+  "eurouter.chat/openai/gpt-4o",
+  "eurouter.chat/anthropic/claude-sonnet-4-5",
+  "eurouter.chat/google/gemini-2.5-pro",
 ];
diff --git a/packages/xl-ai-server/.env.example b/packages/xl-ai-server/.env.example
index 531ac8a8ef..e92e8cf2a6 100644
--- a/packages/xl-ai-server/.env.example
+++ b/packages/xl-ai-server/.env.example
@@ -4,4 +4,5 @@ GROQ_API_KEY=
 ANTHROPIC_API_KEY=
 MISTRAL_API_KEY=
 ALBERT_ETALAB_API_KEY=
-GOOGLE_API_KEY=
\ No newline at end of file
+GOOGLE_API_KEY=
+EUROUTER_API_KEY=
\ No newline at end of file
diff --git a/packages/xl-ai-server/src/routes/model-playground/index.ts b/packages/xl-ai-server/src/routes/model-playground/index.ts
index e113660614..b3eaf13a3a 100644
--- a/packages/xl-ai-server/src/routes/model-playground/index.ts
+++ b/packages/xl-ai-server/src/routes/model-playground/index.ts
@@ -73,6 +73,12 @@ function getModel(aiModelString: string) {
       baseURL: "https://albert.api.etalab.gouv.fr/v1",
       apiKey: providerKey,
     })(modelName);
+  } else if (provider === "eurouter.chat") {
+    return createOpenAICompatible({
+      name: "eurouter",
+      baseURL: "https://eurouter.ai/api/v1",
+      apiKey: providerKey,
+    })(modelName);
   } else if (provider === "mistral.chat") {
     return createMistral({
       apiKey: providerKey,
diff --git a/packages/xl-ai/src/testUtil/testAIModels.ts b/packages/xl-ai/src/testUtil/testAIModels.ts
index c6ed3a2b8a..953dae5bf5 100644
--- a/packages/xl-ai/src/testUtil/testAIModels.ts
+++ b/packages/xl-ai/src/testUtil/testAIModels.ts
@@ -22,12 +22,19 @@ const albert = createOpenAICompatible({
   apiKey: process.env.ALBERT_API_KEY || "not-available-in-ci",
 })("albert-etalab.chat/albert-large");
 
+const eurouter = createOpenAICompatible({
+  name: "eurouter",
+  baseURL: "https://eurouter.ai/api/v1",
+  apiKey: process.env.EUROUTER_API_KEY || "not-available-in-ci",
+})("openai/gpt-4o");
+
 export const testAIModels: Record<
-  "groq" | "openai" | "albert" | "anthropic",
+  "groq" | "openai" | "albert" | "anthropic" | "eurouter",
   Exclude<LanguageModel, string>
 > = {
   groq,
   openai,
   albert,
   anthropic,
+  eurouter,
 };