diff --git a/packages/adapters/codex-local/src/index.ts b/packages/adapters/codex-local/src/index.ts
index afb2cd9b..ca795cb5 100644
--- a/packages/adapters/codex-local/src/index.ts
+++ b/packages/adapters/codex-local/src/index.ts
@@ -24,7 +24,7 @@ Core fields:
 - cwd (string, optional): default absolute working directory fallback for the agent process (created if missing when possible)
 - instructionsFilePath (string, optional): absolute path to a markdown instructions file prepended to stdin prompt at runtime
 - model (string, optional): Codex model id
-- modelReasoningEffort (string, optional): reasoning effort override (minimal|low|medium|high) passed via -c model_reasoning_effort=...
+- modelReasoningEffort (string, optional): reasoning effort override (minimal|low|medium|high|xhigh) passed via -c model_reasoning_effort=...
 - promptTemplate (string, optional): run prompt template
 - search (boolean, optional): run codex with --search
 - dangerouslyBypassApprovalsAndSandbox (boolean, optional): run with bypass flag
diff --git a/packages/adapters/opencode-local/src/index.ts b/packages/adapters/opencode-local/src/index.ts
index bbe75c26..c8f37a81 100644
--- a/packages/adapters/opencode-local/src/index.ts
+++ b/packages/adapters/opencode-local/src/index.ts
@@ -1,7 +1,15 @@
 export const type = "opencode_local";
 export const label = "OpenCode (local)";
 
-export const models: Array<{ id: string; label: string }> = [];
+export const DEFAULT_OPENCODE_LOCAL_MODEL = "openai/gpt-5.2-codex";
+
+export const models: Array<{ id: string; label: string }> = [
+  { id: DEFAULT_OPENCODE_LOCAL_MODEL, label: DEFAULT_OPENCODE_LOCAL_MODEL },
+  { id: "openai/gpt-5.4", label: "openai/gpt-5.4" },
+  { id: "openai/gpt-5.2", label: "openai/gpt-5.2" },
+  { id: "openai/gpt-5.1-codex-max", label: "openai/gpt-5.1-codex-max" },
+  { id: "openai/gpt-5.1-codex-mini", label: "openai/gpt-5.1-codex-mini" },
+];
 
 export const agentConfigurationDoc = `# opencode_local agent configuration
 
@@ -21,7 +29,7 @@ Core fields:
 - cwd (string, optional): default absolute working directory fallback for the agent process (created if missing when possible)
 - instructionsFilePath (string, optional): absolute path to a markdown instructions file prepended to the run prompt
 - model (string, required): OpenCode model id in provider/model format (for example anthropic/claude-sonnet-4-5)
-- variant (string, optional): provider-specific model variant (for example minimal|low|medium|high|max)
+- variant (string, optional): provider-specific reasoning/profile variant passed as --variant (for example minimal|low|medium|high|xhigh|max)
 - dangerouslySkipPermissions (boolean, optional): inject a runtime OpenCode config that allows \`external_directory\` access without interactive prompts; defaults to true for unattended Paperclip runs
 - promptTemplate (string, optional): run prompt template
 - command (string, optional): defaults to "opencode"
diff --git a/server/src/__tests__/adapter-models.test.ts b/server/src/__tests__/adapter-models.test.ts
index 7ec3f965..a6c5eb35 100644
--- a/server/src/__tests__/adapter-models.test.ts
+++ b/server/src/__tests__/adapter-models.test.ts
@@ -1,6 +1,7 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { models as codexFallbackModels } from "@paperclipai/adapter-codex-local";
 import { models as cursorFallbackModels } from "@paperclipai/adapter-cursor-local";
+import { models as opencodeFallbackModels } from "@paperclipai/adapter-opencode-local";
 import { resetOpenCodeModelsCacheForTests } from "@paperclipai/adapter-opencode-local/server";
 import { listAdapterModels } from "../adapters/index.js";
 import { resetCodexModelsCacheForTests } from "../adapters/codex-models.js";
@@ -76,6 +77,14 @@ describe("adapter model listing", () => {
     expect(models).toEqual(cursorFallbackModels);
   });
 
+  it("returns opencode fallback models including gpt-5.4", async () => {
+    process.env.PAPERCLIP_OPENCODE_COMMAND = "__paperclip_missing_opencode_command__";
+
+    const models = await listAdapterModels("opencode_local");
+
+    expect(models).toEqual(opencodeFallbackModels);
+  });
+
   it("loads cursor models dynamically and caches them", async () => {
     const runner = vi.fn(() => ({
       status: 0,
@@ -95,10 +104,4 @@ describe("adapter model listing", () => {
     expect(first.some((model) => model.id === "composer-1")).toBe(true);
   });
 
-  it("returns no opencode models when opencode command is unavailable", async () => {
-    process.env.PAPERCLIP_OPENCODE_COMMAND = "__paperclip_missing_opencode_command__";
-
-    const models = await listAdapterModels("opencode_local");
-    expect(models).toEqual([]);
-  });
 });
diff --git a/server/src/adapters/registry.ts b/server/src/adapters/registry.ts
index 3db7cdf9..1f195f86 100644
--- a/server/src/adapters/registry.ts
+++ b/server/src/adapters/registry.ts
@@ -44,6 +44,7 @@ import {
 } from "@paperclipai/adapter-opencode-local/server";
 import {
   agentConfigurationDoc as openCodeAgentConfigurationDoc,
+  models as openCodeModels,
 } from "@paperclipai/adapter-opencode-local";
 import {
   execute as openclawGatewayExecute,
@@ -153,8 +154,8 @@ const openCodeLocalAdapter: ServerAdapterModule = {
   listSkills: listOpenCodeSkills,
   syncSkills: syncOpenCodeSkills,
   sessionCodec: openCodeSessionCodec,
+  models: openCodeModels,
   sessionManagement: getAdapterSessionManagement("opencode_local") ?? undefined,
-  models: [],
   listModels: listOpenCodeModels,
   supportsLocalAgentJwt: true,
   agentConfigurationDoc: openCodeAgentConfigurationDoc,
diff --git a/ui/src/components/AgentConfigForm.tsx b/ui/src/components/AgentConfigForm.tsx
index b9781a05..06c74e65 100644
--- a/ui/src/components/AgentConfigForm.tsx
+++ b/ui/src/components/AgentConfigForm.tsx
@@ -140,6 +140,7 @@ const codexThinkingEffortOptions = [
   { id: "low", label: "Low" },
   { id: "medium", label: "Medium" },
   { id: "high", label: "High" },
+  { id: "xhigh", label: "X-High" },
 ] as const;
 
 const openCodeThinkingEffortOptions = [
@@ -148,6 +149,7 @@ const openCodeThinkingEffortOptions = [
   { id: "low", label: "Low" },
   { id: "medium", label: "Medium" },
   { id: "high", label: "High" },
+  { id: "xhigh", label: "X-High" },
   { id: "max", label: "Max" },
 ] as const;
 
diff --git a/ui/src/components/NewIssueDialog.tsx b/ui/src/components/NewIssueDialog.tsx
index 8db828ec..559a2055 100644
--- a/ui/src/components/NewIssueDialog.tsx
+++ b/ui/src/components/NewIssueDialog.tsx
@@ -99,6 +99,7 @@ const ISSUE_THINKING_EFFORT_OPTIONS = {
     { value: "low", label: "Low" },
     { value: "medium", label: "Medium" },
     { value: "high", label: "High" },
+    { value: "xhigh", label: "X-High" },
   ],
   opencode_local: [
     { value: "", label: "Default" },
@@ -106,6 +107,7 @@ const ISSUE_THINKING_EFFORT_OPTIONS = {
     { value: "low", label: "Low" },
     { value: "medium", label: "Medium" },
     { value: "high", label: "High" },
+    { value: "xhigh", label: "X-High" },
     { value: "max", label: "Max" },
   ],
 } as const;