From 03fe240ba18e8ced9ca945f5a33fdaa0ca544130 Mon Sep 17 00:00:00 2001
From: Thibault Le Ouay <thibaultleouay@gmail.Com>
Date: Tue, 29 Sep 2026 22:04:30 +0200
Subject: [PATCH] model: update model (#2817)

---
 apps/server/src/routes/mcp/evals/run.ts | 2 +-
 apps/server/src/routes/slack/agent.ts   | 2 +-
 packages/ai/src/resolve-model.test.ts   | 2 +-
 packages/ai/src/resolve-model.ts        | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/apps/server/src/routes/mcp/evals/run.ts b/apps/server/src/routes/mcp/evals/run.ts
index 7e570060..13eeac00 100644
--- a/apps/server/src/routes/mcp/evals/run.ts
+++ b/apps/server/src/routes/mcp/evals/run.ts
@@ -38,7 +38,7 @@ import { type EvalCase, cases } from "./cases";
 // Resolved through the AI Gateway (`AI_GATEWAY_API_KEY` env). Using
 // `gateway(...)` instead of a bare string makes the routing path
 // explicit and gives a clearer error if the gateway is unconfigured.
-const MODEL = gateway("anthropic/claude-opus-5");
+const MODEL = gateway("anthropic/claude-sonnet-5");
 // Lenient bar (10/12) accommodates model non-determinism even at
 // `temperature: 0` — a single flaky tool selection shouldn't tank
 // the run. Tighten if descriptions stabilize and runs trend toward
diff --git a/apps/server/src/routes/slack/agent.ts b/apps/server/src/routes/slack/agent.ts
index ff191e87..e18c695a 100644
--- a/apps/server/src/routes/slack/agent.ts
+++ b/apps/server/src/routes/slack/agent.ts
@@ -11,7 +11,7 @@ import { buildSystemPrompt } from "./system-prompt";
 
 // Vercel AI Gateway model id (`anthropic/<model>`). Override via
 // SLACK_AGENT_MODEL when rolling out a new model version.
-const DEFAULT_MODEL = "anthropic/claude-opus-5";
+const DEFAULT_MODEL = "anthropic/claude-sonnet-5";
 // `||` (not `??`) so empty / whitespace-only env values fall back to the
 // default rather than being passed through to `generateText`.
 const MODEL = process.env.SLACK_AGENT_MODEL?.trim() || DEFAULT_MODEL;
diff --git a/packages/ai/src/resolve-model.test.ts b/packages/ai/src/resolve-model.test.ts
index a1bfb388..21181cea 100644
--- a/packages/ai/src/resolve-model.test.ts
+++ b/packages/ai/src/resolve-model.test.ts
@@ -32,7 +32,7 @@ describe("resolveChatModel", () => {
   test("gateway path: paid plan resolves the stronger model string", () => {
     process.env.AI_GATEWAY_API_KEY = "gw-key";
     expect(resolveChatModel({ plan: "team" })).toBe(
-      "anthropic/claude-sonnet-4.5",
+      "anthropic/claude-sonnet-5",
     );
   });
 
diff --git a/packages/ai/src/resolve-model.ts b/packages/ai/src/resolve-model.ts
index b53fa1d7..97916aea 100644
--- a/packages/ai/src/resolve-model.ts
+++ b/packages/ai/src/resolve-model.ts
@@ -6,7 +6,7 @@ import type { LanguageModel } from "ai";
 // bare model strings. Free workspaces get the cheaper model because we pay for
 // their inference; this tiering applies ONLY to the gateway path.
 const GATEWAY_MODEL_FREE = "anthropic/claude-haiku-4.5";
-const GATEWAY_MODEL_PAID = "anthropic/claude-sonnet-4.5";
+const GATEWAY_MODEL_PAID = "anthropic/claude-sonnet-5";
 
 // `||` (not `??`) so empty / whitespace-only env values fall back instead of
 // being passed through as a real value.
-- 
2.51.2