diff --git a/lib/ai_answer.mjs b/lib/ai_answer.mjs
index c15c1e7..43fb4ac 100644
--- a/lib/ai_answer.mjs
+++ b/lib/ai_answer.mjs
@@ -3,7 +3,7 @@
  * Called when form_filler hits a question it can't answer from profile/answers.json
  */
 import { readFileSync, existsSync } from 'fs';
-import { ANTHROPIC_API_URL } from './constants.mjs';
+import { ANTHROPIC_API_URL, DEFAULT_MODEL } from './constants.mjs';
 
 /**
  * Generate an answer to an unknown application question using Claude.
@@ -69,7 +69,7 @@ Write the best answer for this question. Just the answer text -- no preamble, no
         'anthropic-version': '2023-06-01',
       },
       body: JSON.stringify({
-        model: 'claude-sonnet-4-6-20251101',
+        model: DEFAULT_MODEL,
         max_tokens: 512,
         system: systemPrompt,
         messages: [{ role: 'user', content: userPrompt }],
diff --git a/lib/constants.mjs b/lib/constants.mjs
index 5fbdc24..85b12d5 100644
--- a/lib/constants.mjs
+++ b/lib/constants.mjs
@@ -62,6 +62,7 @@ export const ANTHROPIC_API_URL = 'https://api.anthropic.com/v1/messages';
 export const ANTHROPIC_BATCH_API_URL = 'https://api.anthropic.com/v1/messages/batches';
 export const FILTER_DESC_MAX_CHARS = 800;
 export const FILTER_BATCH_MAX_TOKENS = 1024;
+export const DEFAULT_MODEL = 'claude-sonnet-4-6';
 export const DEFAULT_FILTER_MODEL = 'claude-sonnet-4-6-20251101';
 export const DEFAULT_FILTER_MIN_SCORE = 5;
 
diff --git a/lib/form_filler.mjs b/lib/form_filler.mjs
index a58694f..60ba3c3 100644
--- a/lib/form_filler.mjs
+++ b/lib/form_filler.mjs
@@ -11,7 +11,7 @@ import {
   DEFAULT_YEARS_EXPERIENCE, DEFAULT_DESIRED_SALARY,
   MINIMUM_SALARY_FACTOR, DEFAULT_SKILL_RATING,
   LINKEDIN_EASY_APPLY_MODAL_SELECTOR, FORM_PATTERN_MAX_LENGTH,
-  AUTOCOMPLETE_WAIT, AUTOCOMPLETE_TIMEOUT, ANTHROPIC_API_URL
+  AUTOCOMPLETE_WAIT, AUTOCOMPLETE_TIMEOUT, ANTHROPIC_API_URL, DEFAULT_MODEL
 } from './constants.mjs';
 
 /**
@@ -284,7 +284,7 @@ Answer:`;
           'anthropic-version': '2023-06-01',
         },
         body: JSON.stringify({
-          model: 'claude-sonnet-4-6-20251101',
+          model: DEFAULT_MODEL,
           max_tokens: 256,
           system: systemPrompt,
           messages: [{ role: 'user', content: userPrompt }],
diff --git a/lib/keywords.mjs b/lib/keywords.mjs
index 4a95068..78424b0 100644
--- a/lib/keywords.mjs
+++ b/lib/keywords.mjs
@@ -3,7 +3,7 @@
  * One Claude call per search track using full profile + search config context
  */
 
-import { ANTHROPIC_API_URL } from './constants.mjs';
+import { ANTHROPIC_API_URL, DEFAULT_MODEL } from './constants.mjs';
 
 export async function generateKeywords(search, profile, apiKey) {
   if (!apiKey) throw new Error('ANTHROPIC_API_KEY not set');
@@ -48,7 +48,7 @@ Example format: ["query one", "query two", "query three"]`;
       'anthropic-version': '2023-06-01'
     },
     body: JSON.stringify({
-      model: 'claude-sonnet-4-6-20251101',
+      model: DEFAULT_MODEL,
       max_tokens: 1024,
       messages: [{ role: 'user', content: prompt }]
     })