diff --git a/README.md b/README.md
index fc95de5..d466ad9 100644
--- a/README.md
+++ b/README.md
@@ -138,7 +138,7 @@ BULLETPROOF looks for configuration in the following locations (in order):
 
 ```json
 {
-  "model": "claude-opus-4-5-20251101",
+  "model": "claude-opus-4-6",
   "maxTurns": 50,
   "coverageThresholds": {
     "lines": 90,
@@ -179,7 +179,7 @@ BULLETPROOF looks for configuration in the following locations (in order):
 
 | Option | Type | Default | Description |
 |--------|------|---------|-------------|
-| `model` | string | `claude-opus-4-5-20251101` | Claude model to use |
+| `model` | string | `claude-opus-4-6` | Claude model to use |
 | `maxTurns` | number | `50` | Maximum Claude agent turns |
 | `coverageThresholds` | object | See below | Coverage percentage thresholds |
 | `coverageScope` | object | See below | Patterns for coverage scope |
diff --git a/bulletproof.config.json b/bulletproof.config.json
index b1c821d..60d910c 100644
--- a/bulletproof.config.json
+++ b/bulletproof.config.json
@@ -1,5 +1,5 @@
 {
-  "model": "claude-opus-4-5-20251101",
+  "model": "claude-opus-4-6",
   "maxTurns": 50,
   "coverageThresholds": {
     "lines": 90,
diff --git a/src/cli/init/setup-config.ts b/src/cli/init/setup-config.ts
index 5f2eaaf..7be5064 100644
--- a/src/cli/init/setup-config.ts
+++ b/src/cli/init/setup-config.ts
@@ -114,7 +114,7 @@ export function generateConfig(info: ProjectInfo): BulletproofConfig {
   const defaults = getConfigDefaults(info)
 
   return {
-    model: 'claude-opus-4-5-20251101',
+    model: 'claude-opus-4-6',
     maxTurns: 50,
     coverageThresholds: {
       lines: 90,
diff --git a/src/config.ts b/src/config.ts
index e64b968..b6d4074 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -95,7 +95,7 @@ export interface CoverageScopeConfig {
  * Full BULLETPROOF configuration
  */
 export interface BulletproofConfig {
-  /** Claude model to use (default: claude-opus-4-5-20251101) */
+  /** Claude model to use (default: claude-opus-4-6) */
   model: string
 
   /** Maximum number of Claude turns for fixing issues (default: 50) */
@@ -133,7 +133,7 @@ export interface BulletproofConfig {
  * Default configuration values
  */
 export const DEFAULT_CONFIG: BulletproofConfig = {
-  model: 'claude-opus-4-5-20251101',
+  model: 'claude-opus-4-6',
   maxTurns: 50,
   coverageThresholds: {
     lines: 90,