diff --git a/.github/actions/server-test-env/action.yml b/.github/actions/server-test-env/action.yml
index 9755ea0e33..3f08733e43 100644
--- a/.github/actions/server-test-env/action.yml
+++ b/.github/actions/server-test-env/action.yml
@@ -24,8 +24,10 @@ runs:
     - name: Import config
       shell: bash
       run: |
-        printf '{"copilot":{"enabled":true,"providers.fal":{"apiKey":"%s"},"providers.gemini":{"apiKey":"%s"},"providers.openai":{"apiKey":"%s"},"providers.perplexity":{"apiKey":"%s"}}}' \
+        printf '{"copilot":{"enabled":true,"providers.fal":{"apiKey":"%s"},"providers.gemini":{"apiKey":"%s"},"providers.openai":{"apiKey":"%s"},"providers.perplexity":{"apiKey":"%s"},"providers.anthropic":{"apiKey":"%s"},"exa":{"key":"%s"}}}' \
         "$COPILOT_FAL_API_KEY" \
         "$COPILOT_GOOGLE_API_KEY" \
         "$COPILOT_OPENAI_API_KEY" \
-        "$COPILOT_PERPLEXITY_API_KEY" > ./packages/backend/server/config.json
+        "$COPILOT_PERPLEXITY_API_KEY" \
+        "$COPILOT_ANTHROPIC_API_KEY" \
+        "$COPILOT_EXA_API_KEY" > ./packages/backend/server/config.json
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 34e1a8b408..cb680cda46 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -894,6 +894,8 @@ jobs:
           COPILOT_GOOGLE_API_KEY: ${{ secrets.COPILOT_GOOGLE_API_KEY }}
           COPILOT_FAL_API_KEY: ${{ secrets.COPILOT_FAL_API_KEY }}
           COPILOT_PERPLEXITY_API_KEY: ${{ secrets.COPILOT_PERPLEXITY_API_KEY }}
+          COPILOT_ANTHROPIC_API_KEY: ${{ secrets.COPILOT_ANTHROPIC_API_KEY }}
+          COPILOT_EXA_API_KEY: ${{ secrets.COPILOT_EXA_API_KEY }}
         uses: ./.github/actions/server-test-env
 
       - name: Run server tests
@@ -991,6 +993,8 @@ jobs:
           COPILOT_GOOGLE_API_KEY: ${{ secrets.COPILOT_GOOGLE_API_KEY }}
           COPILOT_FAL_API_KEY: ${{ secrets.COPILOT_FAL_API_KEY }}
           COPILOT_PERPLEXITY_API_KEY: ${{ secrets.COPILOT_PERPLEXITY_API_KEY }}
+          COPILOT_ANTHROPIC_API_KEY: ${{ secrets.COPILOT_ANTHROPIC_API_KEY }}
+          COPILOT_EXA_API_KEY: ${{ secrets.COPILOT_EXA_API_KEY }}
         uses: ./.github/actions/server-test-env
 
       - name: Run Copilot E2E Test ${{ matrix.shardIndex }}/${{ matrix.shardTotal }}
diff --git a/.github/workflows/copilot-test.yml b/.github/workflows/copilot-test.yml
index c50420b68b..a729f16641 100644
--- a/.github/workflows/copilot-test.yml
+++ b/.github/workflows/copilot-test.yml
@@ -81,6 +81,8 @@ jobs:
           COPILOT_FAL_API_KEY: ${{ secrets.COPILOT_FAL_API_KEY }}
           COPILOT_GOOGLE_API_KEY: ${{ secrets.COPILOT_GOOGLE_API_KEY }}
           COPILOT_PERPLEXITY_API_KEY: ${{ secrets.COPILOT_PERPLEXITY_API_KEY }}
+          COPILOT_ANTHROPIC_API_KEY: ${{ secrets.COPILOT_ANTHROPIC_API_KEY }}
+          COPILOT_EXA_API_KEY: ${{ secrets.COPILOT_EXA_API_KEY }}
         uses: ./.github/actions/server-test-env
 
       - name: Run server tests
@@ -150,6 +152,8 @@ jobs:
           COPILOT_FAL_API_KEY: ${{ secrets.COPILOT_FAL_API_KEY }}
           COPILOT_GOOGLE_API_KEY: ${{ secrets.COPILOT_GOOGLE_API_KEY }}
           COPILOT_PERPLEXITY_API_KEY: ${{ secrets.COPILOT_PERPLEXITY_API_KEY }}
+          COPILOT_ANTHROPIC_API_KEY: ${{ secrets.COPILOT_ANTHROPIC_API_KEY }}
+          COPILOT_EXA_API_KEY: ${{ secrets.COPILOT_EXA_API_KEY }}
         uses: ./.github/actions/server-test-env
 
       - name: Run Copilot E2E Test ${{ matrix.shardIndex }}/${{ matrix.shardTotal }}
diff --git a/packages/backend/server/src/__tests__/copilot.spec.ts b/packages/backend/server/src/__tests__/copilot.spec.ts
index 99e6735486..e4eb482420 100644
--- a/packages/backend/server/src/__tests__/copilot.spec.ts
+++ b/packages/backend/server/src/__tests__/copilot.spec.ts
@@ -92,6 +92,12 @@ test.before(async t => {
             perplexity: {
               apiKey: process.env.COPILOT_PERPLEXITY_API_KEY ?? '1',
             },
+            anthropic: {
+              apiKey: process.env.COPILOT_ANTHROPIC_API_KEY ?? '1',
+            },
+          },
+          exa: {
+            key: process.env.COPILOT_EXA_API_KEY ?? '1',
           },
         },
       }),
diff --git a/packages/backend/server/src/plugins/copilot/prompt/prompts.ts b/packages/backend/server/src/plugins/copilot/prompt/prompts.ts
index 9f7c2ee7d2..e5435893ed 100644
--- a/packages/backend/server/src/plugins/copilot/prompt/prompts.ts
+++ b/packages/backend/server/src/plugins/copilot/prompt/prompts.ts
@@ -1037,7 +1037,7 @@ Finally, please only send us the content of your continuation in Markdown Format
 const chat: Prompt[] = [
   {
     name: 'Chat With AFFiNE AI',
-    model: 'gpt-4.1',
+    model: 'claude-3-7-sonnet-20250219',
     messages: [
       {
         role: 'system',