diff --git a/bun.lock b/bun.lock
index 2420ab6df915..baa2d1138435 100644
--- a/bun.lock
+++ b/bun.lock
@@ -668,6 +668,7 @@
     "solid-js@1.9.10": "patches/solid-js@1.9.10.patch",
     "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
     "@npmcli/agent@4.0.0": "patches/@npmcli%2Fagent@4.0.0.patch",
+    "@ai-sdk/anthropic@3.0.71": "patches/@ai-sdk%2Fanthropic@3.0.71.patch",
   },
   "overrides": {
     "@types/bun": "catalog:",
diff --git a/package.json b/package.json
index b2c8a2d7a8ae..5c389006a7d4 100644
--- a/package.json
+++ b/package.json
@@ -128,6 +128,7 @@
     "@types/node": "catalog:"
   },
   "patchedDependencies": {
+    "@ai-sdk/anthropic@3.0.71": "patches/@ai-sdk%2Fanthropic@3.0.71.patch",
     "@npmcli/agent@4.0.0": "patches/@npmcli%2Fagent@4.0.0.patch",
     "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
     "solid-js@1.9.10": "patches/solid-js@1.9.10.patch"
diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 67b02c089602..a5eb0adc1788 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -612,6 +612,27 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
         }
       }
 
+      if (model.api.id.includes("deepseek")) {
+        return {
+          high: {
+            thinking: {
+              type: "enabled",
+            },
+            output_config: {
+              effort: "high",
+            },
+          },
+          max: {
+            thinking: {
+              type: "enabled",
+            },
+            output_config: {
+              effort: "max",
+            },
+          },
+        }
+      }
+
       if (adaptiveEfforts) {
         return Object.fromEntries(
           adaptiveEfforts.map((effort) => [
diff --git a/patches/@ai-sdk%2Fanthropic@3.0.71.patch b/patches/@ai-sdk%2Fanthropic@3.0.71.patch
new file mode 100644
index 000000000000..086aaba9aa1e
--- /dev/null
+++ b/patches/@ai-sdk%2Fanthropic@3.0.71.patch
@@ -0,0 +1,128 @@
+diff --git a/dist/index.js b/dist/index.js
+--- a/dist/index.js
++++ b/dist/index.js
+@@ -934,6 +934,10 @@ var anthropicLanguageModelOptions = import_v43.z.object({
+    */
+   effort: import_v43.z.enum(["low", "medium", "high", "xhigh", "max"]).optional(),
+   /**
++   * Raw Anthropic `output_config` passthrough for Anthropic-compatible endpoints.
++   */
++  output_config: import_v43.z.record(import_v43.z.string(), import_v43.z.any()).optional(),
++  /**
+    * Task budget for agentic turns. Informs the model of the total token budget
+    * available for the current task, allowing it to prioritize work and wind down
+    * gracefully as the budget is consumed.
+@@ -3070,8 +3074,9 @@ var AnthropicMessagesLanguageModel = class {
+           ...thinkingDisplay != null && { display: thinkingDisplay }
+         }
+       },
+-      ...((anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
++      ...(Object.keys((anthropicOptions == null ? void 0 : anthropicOptions.output_config) ?? {}).length > 0 || (anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
+         output_config: {
++          ...(anthropicOptions == null ? void 0 : anthropicOptions.output_config),
+           ...(anthropicOptions == null ? void 0 : anthropicOptions.effort) && {
+             effort: anthropicOptions.effort
+           },
+diff --git a/dist/index.mjs b/dist/index.mjs
+--- a/dist/index.mjs
++++ b/dist/index.mjs
+@@ -929,6 +929,10 @@ var anthropicLanguageModelOptions = z3.object({
+    */
+   effort: z3.enum(["low", "medium", "high", "xhigh", "max"]).optional(),
+   /**
++   * Raw Anthropic `output_config` passthrough for Anthropic-compatible endpoints.
++   */
++  output_config: z3.record(z3.string(), z3.any()).optional(),
++  /**
+    * Task budget for agentic turns. Informs the model of the total token budget
+    * available for the current task, allowing it to prioritize work and wind down
+    * gracefully as the budget is consumed.
+@@ -3107,8 +3111,9 @@ var AnthropicMessagesLanguageModel = class {
+           ...thinkingDisplay != null && { display: thinkingDisplay }
+         }
+       },
+-      ...((anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
++      ...(Object.keys((anthropicOptions == null ? void 0 : anthropicOptions.output_config) ?? {}).length > 0 || (anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
+         output_config: {
++          ...(anthropicOptions == null ? void 0 : anthropicOptions.output_config),
+           ...(anthropicOptions == null ? void 0 : anthropicOptions.effort) && {
+             effort: anthropicOptions.effort
+           },
+diff --git a/dist/index.d.ts b/dist/index.d.ts
+--- a/dist/index.d.ts
++++ b/dist/index.d.ts
+@@ -178,9 +178,10 @@ declare const anthropicLanguageModelOptions: z.ZodObject<{
+         high: "high";
+         xhigh: "xhigh";
+         max: "max";
+     }>>;
++    output_config: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodAny>>;
+     taskBudget: z.ZodOptional<z.ZodObject<{
+         type: z.ZodLiteral<"tokens">;
+         total: z.ZodNumber;
+         remaining: z.ZodOptional<z.ZodNumber>;
+     }, z.core.$strip>>;
+diff --git a/dist/index.d.mts b/dist/index.d.mts
+--- a/dist/index.d.mts
++++ b/dist/index.d.mts
+@@ -178,9 +178,10 @@ declare const anthropicLanguageModelOptions: z.ZodObject<{
+         high: "high";
+         xhigh: "xhigh";
+         max: "max";
+     }>>;
++    output_config: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodAny>>;
+     taskBudget: z.ZodOptional<z.ZodObject<{
+         type: z.ZodLiteral<"tokens">;
+         total: z.ZodNumber;
+         remaining: z.ZodOptional<z.ZodNumber>;
+     }, z.core.$strip>>;
+diff --git a/dist/internal/index.js b/dist/internal/index.js
+--- a/dist/internal/index.js
++++ b/dist/internal/index.js
+@@ -926,6 +926,10 @@ var anthropicLanguageModelOptions = import_v43.z.object({
+    */
+   effort: import_v43.z.enum(["low", "medium", "high", "xhigh", "max"]).optional(),
+   /**
++   * Raw Anthropic `output_config` passthrough for Anthropic-compatible endpoints.
++   */
++  output_config: import_v43.z.record(import_v43.z.string(), import_v43.z.any()).optional(),
++  /**
+    * Task budget for agentic turns. Informs the model of the total token budget
+    * available for the current task, allowing it to prioritize work and wind down
+    * gracefully as the budget is consumed.
+@@ -3062,8 +3066,9 @@ var AnthropicMessagesLanguageModel = class {
+           ...thinkingDisplay != null && { display: thinkingDisplay }
+         }
+       },
+-      ...((anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
++      ...(Object.keys((anthropicOptions == null ? void 0 : anthropicOptions.output_config) ?? {}).length > 0 || (anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
+         output_config: {
++          ...(anthropicOptions == null ? void 0 : anthropicOptions.output_config),
+           ...(anthropicOptions == null ? void 0 : anthropicOptions.effort) && {
+             effort: anthropicOptions.effort
+           },
+diff --git a/dist/internal/index.mjs b/dist/internal/index.mjs
+--- a/dist/internal/index.mjs
++++ b/dist/internal/index.mjs
+@@ -913,6 +913,10 @@ var anthropicLanguageModelOptions = z3.object({
+    */
+   effort: z3.enum(["low", "medium", "high", "xhigh", "max"]).optional(),
+   /**
++   * Raw Anthropic `output_config` passthrough for Anthropic-compatible endpoints.
++   */
++  output_config: z3.record(z3.string(), z3.any()).optional(),
++  /**
+    * Task budget for agentic turns. Informs the model of the total token budget
+    * available for the current task, allowing it to prioritize work and wind down
+    * gracefully as the budget is consumed.
+@@ -3091,8 +3095,9 @@ var AnthropicMessagesLanguageModel = class {
+           ...thinkingDisplay != null && { display: thinkingDisplay }
+         }
+       },
+-      ...((anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
++      ...(Object.keys((anthropicOptions == null ? void 0 : anthropicOptions.output_config) ?? {}).length > 0 || (anthropicOptions == null ? void 0 : anthropicOptions.effort) || (anthropicOptions == null ? void 0 : anthropicOptions.taskBudget) || useStructuredOutput && (responseFormat == null ? void 0 : responseFormat.type) === "json" && responseFormat.schema != null) && {
+         output_config: {
++          ...(anthropicOptions == null ? void 0 : anthropicOptions.output_config),
+           ...(anthropicOptions == null ? void 0 : anthropicOptions.effort) && {
+             effort: anthropicOptions.effort
+           },