diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 7b53804e51..35fba0b086 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -64,6 +64,11 @@ jobs:
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: poetry install --no-interaction --no-root
       - name: Run Flake8 Linter
+        if: ${{ !cancelled() }}
         run: poetry run flake8 .
+      - name: Check migrations
+        if: ${{ !cancelled() }}
+        run: poetry run python manage.py makemigrations --dry-run --check
       - name: "Run he backend unit tests"
+        if: ${{ !cancelled() }}
         run: poetry run pytest ./tests/unit
diff --git a/fab_credits/migrations/0003_alter_userusage_model_name.py b/fab_credits/migrations/0003_alter_userusage_model_name.py
new file mode 100644
index 0000000000..7235f7eab6
--- /dev/null
+++ b/fab_credits/migrations/0003_alter_userusage_model_name.py
@@ -0,0 +1,35 @@
+# Generated by Django 5.0.8 on 2024-09-05 08:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "fab_credits",
+            "0002_alter_userusage_unique_together_userusage_model_name_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="userusage",
+            name="model_name",
+            field=models.CharField(
+                choices=[
+                    ("gpt-4o", "gpt-4o"),
+                    ("gpt-4o-mini", "gpt-4o-mini"),
+                    ("gpt-4o-2024-05-13", "gpt-4o-2024-05-13"),
+                    ("gpt-3.5-turbo-0125", "gpt-3.5-turbo-0125"),
+                    ("gpt-3.5-turbo-instruct", "gpt-3.5-turbo-instruct"),
+                    ("claude-3-5-sonnet-20240620", "claude-3-5-sonnet-20240620"),
+                    ("claude-3-opus-20240229", "claude-3-opus-20240229"),
+                    ("claude-3-sonnet-20240229", "claude-3-sonnet-20240229"),
+                    ("claude-3-haiku-20240307", "claude-3-haiku-20240307"),
+                ],
+                default="gpt-4o",
+                max_length=50,
+            ),
+        ),
+    ]
diff --git a/fab_credits/models.py b/fab_credits/models.py
index 200e429324..c74224b514 100644
--- a/fab_credits/models.py
+++ b/fab_credits/models.py
@@ -4,6 +4,7 @@
 
 available_models = [
     ("gpt-4o", "gpt-4o"),
+    ("gpt-4o-mini", "gpt-4o-mini"),
     ("gpt-4o-2024-05-13", "gpt-4o-2024-05-13"),
     ("gpt-3.5-turbo-0125", "gpt-3.5-turbo-0125"),
     ("gpt-3.5-turbo-instruct", "gpt-3.5-turbo-instruct"),