From 588261076adba0bc385f60fe18637da53ed03420 Mon Sep 17 00:00:00 2001
From: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Date: Wed, 29 Apr 2026 16:47:45 -0500
Subject: [PATCH] fix: make deepseek string check a bit looser (#25012)

---
 packages/opencode/src/provider/transform.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index b52c94cc09..cc0fcff8d3 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -197,7 +197,7 @@ function normalizeMessages(
   }
 
   // Deepseek requires all assistant messages to have reasoning on them
-  if (model.api.id.includes("deepseek")) {
+  if (model.api.id.toLowerCase().includes("deepseek")) {
     msgs = msgs.map((msg) => {
       if (msg.role !== "assistant") return msg
       if (Array.isArray(msg.content)) {
@@ -573,7 +573,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
     // https://docs.venice.ai/overview/guides/reasoning-models#reasoning-effort
     case "@ai-sdk/openai-compatible":
       const efforts = [...WIDELY_SUPPORTED_EFFORTS]
-      if (model.api.id.includes("deepseek-v4")) {
+      if (model.api.id.toLowerCase().includes("deepseek-v4")) {
         efforts.push("max")
       }
       return Object.fromEntries(efforts.map((effort) => [effort, { reasoningEffort: effort }]))