From f8e939d96fe2f2f3e347fdfd8a8f567ceb6edb01 Mon Sep 17 00:00:00 2001
From: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Date: Fri, 24 Apr 2026 08:48:52 -0400
Subject: [PATCH] fix: support `max` for deepseek (#24163)

---
 packages/opencode/src/provider/transform.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 0a2fc7fc26..7fcfcd2501 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -529,7 +529,11 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
     case "venice-ai-sdk-provider":
     // https://docs.venice.ai/overview/guides/reasoning-models#reasoning-effort
     case "@ai-sdk/openai-compatible":
-      return Object.fromEntries(WIDELY_SUPPORTED_EFFORTS.map((effort) => [effort, { reasoningEffort: effort }]))
+      const efforts = [...WIDELY_SUPPORTED_EFFORTS]
+      if (model.api.id.includes("deepseek-v4")) {
+        efforts.push("max")
+      }
+      return Object.fromEntries(efforts.map((effort) => [effort, { reasoningEffort: effort }]))
 
     case "@ai-sdk/azure":
       // https://v5.ai-sdk.dev/providers/ai-sdk-providers/azure