diff --git a/packages/types/src/providers/openai.ts b/packages/types/src/providers/openai.ts
index 027ee17f1a..4b96b970b5 100644
--- a/packages/types/src/providers/openai.ts
+++ b/packages/types/src/providers/openai.ts
@@ -11,6 +11,7 @@ export const openAiNativeModels = {
 		contextWindow: 256000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 1.25,
 		outputPrice: 10.0,
 		cacheReadsPrice: 0.125,
@@ -20,6 +21,7 @@ export const openAiNativeModels = {
 		contextWindow: 256000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 0.25,
 		outputPrice: 2.0,
 		cacheReadsPrice: 0.025,
@@ -29,6 +31,7 @@ export const openAiNativeModels = {
 		contextWindow: 256000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 0.05,
 		outputPrice: 0.4,
 		cacheReadsPrice: 0.005,
@@ -38,6 +41,7 @@ export const openAiNativeModels = {
 		contextWindow: 256000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 0,
 		outputPrice: 0,
 		cacheReadsPrice: 0,
@@ -47,6 +51,7 @@ export const openAiNativeModels = {
 		contextWindow: 1_047_576,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 2,
 		outputPrice: 8,
 		cacheReadsPrice: 0.5,
@@ -56,6 +61,7 @@ export const openAiNativeModels = {
 		contextWindow: 1_047_576,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 0.4,
 		outputPrice: 1.6,
 		cacheReadsPrice: 0.1,
@@ -65,6 +71,7 @@ export const openAiNativeModels = {
 		contextWindow: 1_047_576,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 0.1,
 		outputPrice: 0.4,
 		cacheReadsPrice: 0.025,
@@ -167,6 +174,7 @@ export const openAiNativeModels = {
 		contextWindow: 200_000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 15,
 		outputPrice: 60,
 		cacheReadsPrice: 7.5,
@@ -176,6 +184,7 @@ export const openAiNativeModels = {
 		contextWindow: 128_000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 15,
 		outputPrice: 60,
 		cacheReadsPrice: 7.5,
@@ -185,6 +194,7 @@ export const openAiNativeModels = {
 		contextWindow: 128_000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 1.1,
 		outputPrice: 4.4,
 		cacheReadsPrice: 0.55,
@@ -194,6 +204,7 @@ export const openAiNativeModels = {
 		contextWindow: 128_000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 75,
 		outputPrice: 150,
 		cacheReadsPrice: 37.5,
@@ -203,6 +214,7 @@ export const openAiNativeModels = {
 		contextWindow: 128_000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 2.5,
 		outputPrice: 10,
 		cacheReadsPrice: 1.25,
@@ -212,6 +224,7 @@ export const openAiNativeModels = {
 		contextWindow: 128_000,
 		supportsImages: true,
 		supportsPromptCache: true,
+		supportsReasoningEffort: true,
 		inputPrice: 0.15,
 		outputPrice: 0.6,
 		cacheReadsPrice: 0.075,
diff --git a/src/api/providers/openai-native.ts b/src/api/providers/openai-native.ts
index 1ebef2ef46..d8e22cf81d 100644
--- a/src/api/providers/openai-native.ts
+++ b/src/api/providers/openai-native.ts
@@ -68,6 +68,8 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 		// o1 supports developer prompt with formatting
 		// o1-preview and o1-mini only support user messages
 		const isOriginalO1 = model.id === "o1"
+		const { reasoning } = this.getModel()
+
 		const response = await this.client.chat.completions.create({
 			model: model.id,
 			messages: [
@@ -79,6 +81,7 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 			],
 			stream: true,
 			stream_options: { include_usage: true },
+			...(reasoning && reasoning),
 		})
 
 		yield* this.handleStreamResponse(response, model)
@@ -114,12 +117,15 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 		systemPrompt: string,
 		messages: Anthropic.Messages.MessageParam[],
 	): ApiStream {
+		const { reasoning } = this.getModel()
+
 		const stream = await this.client.chat.completions.create({
 			model: model.id,
 			temperature: this.options.modelTemperature ?? OPENAI_NATIVE_DEFAULT_TEMPERATURE,
 			messages: [{ role: "system", content: systemPrompt }, ...convertToOpenAiMessages(messages)],
 			stream: true,
 			stream_options: { include_usage: true },
+			...(reasoning && reasoning),
 		})
 
 		yield* this.handleStreamResponse(stream, model)
@@ -130,12 +136,15 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 		systemPrompt: string,
 		messages: Anthropic.Messages.MessageParam[],
 	): ApiStream {
+		const { reasoning } = this.getModel()
+
 		const stream = await this.client.chat.completions.create({
 			model: model.id,
 			temperature: this.options.modelTemperature ?? OPENAI_NATIVE_DEFAULT_TEMPERATURE,
 			messages: [{ role: "developer", content: systemPrompt }, ...convertToOpenAiMessages(messages)],
 			stream: true,
 			stream_options: { include_usage: true },
+			...(reasoning && reasoning),
 		})
 
 		yield* this.handleStreamResponse(stream, model)