From f5b6e4fab0a6c325ba57e19c41f1a845ca136a2e Mon Sep 17 00:00:00 2001
From: Mario Zechner <badlogicgames@gmail.com>
Date: Fri, 1 May 2026 19:07:59 +0200
Subject: [PATCH] fix(ai): handle OpenRouter DeepSeek V4 reasoning

Closes #4055

Closes #4047
---
 packages/ai/scripts/generate-models.ts | 2 +-
 packages/ai/src/models.generated.ts    | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/ai/scripts/generate-models.ts b/packages/ai/scripts/generate-models.ts
index 1c38af31..b3927381 100644
--- a/packages/ai/scripts/generate-models.ts
+++ b/packages/ai/scripts/generate-models.ts
@@ -1194,7 +1194,7 @@ async function generateModels() {
 					? {
 							requiresReasoningContentOnAssistantMessages:
 								deepseekCompat.requiresReasoningContentOnAssistantMessages,
-							reasoningEffortMap: deepseekCompat.reasoningEffortMap,
+							thinkingFormat: deepseekCompat.thinkingFormat,
 						}
 					: deepseekCompat),
 			};
diff --git a/packages/ai/src/models.generated.ts b/packages/ai/src/models.generated.ts
index fa6981a9..78f778aa 100644
--- a/packages/ai/src/models.generated.ts
+++ b/packages/ai/src/models.generated.ts
@@ -9124,7 +9124,7 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "openrouter",
 			baseUrl: "https://openrouter.ai/api/v1",
-			compat: {"requiresReasoningContentOnAssistantMessages":true,"reasoningEffortMap":{"minimal":"high","low":"high","medium":"high","high":"high","xhigh":"max"}},
+			compat: {"requiresReasoningContentOnAssistantMessages":true,"thinkingFormat":"deepseek"},
 			reasoning: true,
 			input: ["text"],
 			cost: {
@@ -9142,7 +9142,7 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "openrouter",
 			baseUrl: "https://openrouter.ai/api/v1",
-			compat: {"requiresReasoningContentOnAssistantMessages":true,"reasoningEffortMap":{"minimal":"high","low":"high","medium":"high","high":"high","xhigh":"max"}},
+			compat: {"requiresReasoningContentOnAssistantMessages":true,"thinkingFormat":"deepseek"},
 			reasoning: true,
 			input: ["text"],
 			cost: {
@@ -9185,7 +9185,7 @@ export const MODELS = {
 				cacheRead: 0.024999999999999998,
 				cacheWrite: 0.08333333333333334,
 			},
-			contextWindow: 1000000,
+			contextWindow: 1048576,
 			maxTokens: 8192,
 		} satisfies Model<"openai-completions">,
 		"google/gemini-2.0-flash-lite-001": {