diff --git a/.changeset/nasty-cameras-do.md b/.changeset/nasty-cameras-do.md
new file mode 100644
index 0000000000..e185f01d59
--- /dev/null
+++ b/.changeset/nasty-cameras-do.md
@@ -0,0 +1,5 @@
+---
+"claude-dev": patch
+---
+
+Extend ReasoningEffort to non-o3-mini reasoning models for all providers
diff --git a/package.json b/package.json
index 9064194ce5..f499f19bda 100644
--- a/package.json
+++ b/package.json
@@ -244,7 +244,7 @@
 						"high"
 					],
 					"default": "medium",
-					"description": "Controls the reasoning effort when using the o3-mini model. Higher values may result in more thorough but slower responses."
+					"description": "Controls the reasoning effort when using an OpenAI reasoning model. Higher values may result in more thorough but slower responses."
 				},
 				"cline.chromeExecutablePath": {
 					"type": "string",
diff --git a/src/api/providers/requesty.ts b/src/api/providers/requesty.ts
index c7b2741840..22c0a47806 100644
--- a/src/api/providers/requesty.ts
+++ b/src/api/providers/requesty.ts
@@ -34,7 +34,7 @@ export class RequestyHandler implements ApiHandler {
 
 		const reasoningEffort = this.options.o3MiniReasoningEffort || "medium"
 		const reasoning = { reasoning_effort: reasoningEffort }
-		const reasoningArgs = model.id === "openai/o3-mini" ? reasoning : {}
+		const reasoningArgs = model.id.startsWith("openai/o") ? reasoning : {}
 
 		const thinkingBudget = this.options.thinkingBudgetTokens || 0
 		const thinking =
diff --git a/src/api/transform/openrouter-stream.ts b/src/api/transform/openrouter-stream.ts
index 791b7763e8..e9f3ce3e88 100644
--- a/src/api/transform/openrouter-stream.ts
+++ b/src/api/transform/openrouter-stream.ts
@@ -190,7 +190,7 @@ export async function createOpenRouterStream(
 		stream_options: { include_usage: true },
 		transforms: shouldApplyMiddleOutTransform ? ["middle-out"] : undefined,
 		include_reasoning: true,
-		...(model.id === "openai/o3-mini" ? { reasoning_effort: o3MiniReasoningEffort || "medium" } : {}),
+		...(model.id.startsWith("openai/o") ? { reasoning_effort: o3MiniReasoningEffort || "medium" } : {}),
 		...(reasoning ? { reasoning } : {}),
 		...(openRouterProviderSorting ? { provider: { sort: openRouterProviderSorting } } : {}),
 	})