diff --git a/.github/workflows/standard-tests.yml b/.github/workflows/standard-tests.yml
index d474706a7597..24bd8fb9b557 100644
--- a/.github/workflows/standard-tests.yml
+++ b/.github/workflows/standard-tests.yml
@@ -6,11 +6,29 @@ on:
     - cron: '0 13 * * *'
 
 jobs:
+  get-changed-files:
+    runs-on: ubuntu-latest
+    outputs:
+      changed_files: ${{ steps.get_changes.outputs.changed_files }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+      - name: Get changes
+        id: get_changes
+        run: |
+          echo "changed_files<<EOF" >> $GITHUB_OUTPUT
+          git diff --name-only -r HEAD^1 HEAD | while read line; do printf "%s\n" "$line"; done >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
   standard-tests:
     runs-on: ubuntu-latest
+    needs: get-changed-files
     strategy:
       matrix:
         package: [anthropic, cohere, google-genai, groq, mistralai]
+    if: contains(needs.get-changed-files.outputs.changed_files, 'langchain-core/') || contains(needs.get-changed-files.outputs.changed_files, 'libs/langchain-${{ matrix.package }}/')
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js 18.x
@@ -34,6 +52,8 @@ jobs:
   # we need separate jobs for each test.
   standard-tests-openai:
     runs-on: ubuntu-latest
+    needs: get-changed-files
+    if: contains(needs.get-changed-files.outputs.changed_files, 'langchain-core/') || contains(needs.get-changed-files.outputs.changed_files, 'libs/langchain-openai/')
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js 18.x
@@ -52,6 +72,8 @@ jobs:
 
   standard-tests-azure-openai:
     runs-on: ubuntu-latest
+    needs: get-changed-files
+    if: contains(needs.get-changed-files.outputs.changed_files, 'langchain-core/') || contains(needs.get-changed-files.outputs.changed_files, 'libs/langchain-openai/')
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js 18.x
@@ -73,6 +95,8 @@ jobs:
 
   standard-tests-bedrock:
     runs-on: ubuntu-latest
+    needs: get-changed-files
+    if: contains(needs.get-changed-files.outputs.changed_files, 'langchain-core/') || contains(needs.get-changed-files.outputs.changed_files, 'libs/langchain-community/')
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js 18.x
diff --git a/.github/workflows/unit-tests-integrations.yml b/.github/workflows/unit-tests-integrations.yml
index 03aed75005a6..06af6388b01e 100644
--- a/.github/workflows/unit-tests-integrations.yml
+++ b/.github/workflows/unit-tests-integrations.yml
@@ -43,6 +43,7 @@ jobs:
 
   unit-tests:
     name: Unit Tests
+    needs: get-changed-files
     strategy:
       matrix:
         os: [ubuntu-latest]
diff --git a/libs/langchain-openai/src/chat_models.ts b/libs/langchain-openai/src/chat_models.ts
index a6477039114c..243518c41c2d 100644
--- a/libs/langchain-openai/src/chat_models.ts
+++ b/libs/langchain-openai/src/chat_models.ts
@@ -274,14 +274,13 @@ export interface ChatOpenAICallOptions
 /**
  * Wrapper around OpenAI large language models that use the Chat endpoint.
  *
- * To use you should have the `openai` package installed, with the
- * `OPENAI_API_KEY` environment variable set.
+ * To use you should have the `OPENAI_API_KEY` environment variable set.
  *
- * To use with Azure you should have the `openai` package installed, with the
+ * To use with Azure you should have the:
  * `AZURE_OPENAI_API_KEY`,
  * `AZURE_OPENAI_API_INSTANCE_NAME`,
  * `AZURE_OPENAI_API_DEPLOYMENT_NAME`
- * and `AZURE_OPENAI_API_VERSION` environment variable set.
+ * and `AZURE_OPENAI_API_VERSION` environment variables set.
  * `AZURE_OPENAI_BASE_PATH` is optional and will override `AZURE_OPENAI_API_INSTANCE_NAME` if you need to use a custom endpoint.
  *
  * @remarks