diff --git a/packages/types/src/providers/deepseek.ts b/packages/types/src/providers/deepseek.ts
index 8ce5ef87b2..dedff7509d 100644
--- a/packages/types/src/providers/deepseek.ts
+++ b/packages/types/src/providers/deepseek.ts
@@ -11,6 +11,7 @@ export const deepSeekModels = {
 		contextWindow: 128_000,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true, // DeepSeek V3.1 supports thinking/reasoning
 		inputPrice: 0.27, // $0.27 per million tokens (cache miss)
 		outputPrice: 1.1, // $1.10 per million tokens
 		cacheWritesPrice: 0.27, // $0.27 per million tokens (cache miss)
@@ -22,6 +23,7 @@ export const deepSeekModels = {
 		contextWindow: 128_000,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true, // DeepSeek-R1 supports thinking/reasoning
 		inputPrice: 0.55, // $0.55 per million tokens (cache miss)
 		outputPrice: 2.19, // $2.19 per million tokens
 		cacheWritesPrice: 0.55, // $0.55 per million tokens (cache miss)
diff --git a/packages/types/src/providers/zai.ts b/packages/types/src/providers/zai.ts
index f724744827..a3bdf874b9 100644
--- a/packages/types/src/providers/zai.ts
+++ b/packages/types/src/providers/zai.ts
@@ -12,6 +12,7 @@ export const internationalZAiModels = {
 		contextWindow: 131_072,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true, // GLM-4.5 supports thinking/reasoning
 		inputPrice: 0.6,
 		outputPrice: 2.2,
 		cacheWritesPrice: 0,
@@ -24,6 +25,7 @@ export const internationalZAiModels = {
 		contextWindow: 131_072,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true, // GLM-4.5-Air supports thinking/reasoning
 		inputPrice: 0.2,
 		outputPrice: 1.1,
 		cacheWritesPrice: 0,
@@ -41,6 +43,7 @@ export const mainlandZAiModels = {
 		contextWindow: 131_072,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true, // GLM-4.5 supports thinking/reasoning
 		inputPrice: 0.29,
 		outputPrice: 1.14,
 		cacheWritesPrice: 0,
@@ -73,6 +76,7 @@ export const mainlandZAiModels = {
 		contextWindow: 131_072,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true, // GLM-4.5-Air supports thinking/reasoning
 		inputPrice: 0.1,
 		outputPrice: 0.6,
 		cacheWritesPrice: 0,