diff --git a/studio/backend/core/inference/providers.py b/studio/backend/core/inference/providers.py
index 8188d8d603..98a884df23 100644
--- a/studio/backend/core/inference/providers.py
+++ b/studio/backend/core/inference/providers.py
@@ -33,7 +33,7 @@ PROVIDER_REGISTRY: dict[str, dict[str, Any]] = {
         "base_url": "https://api.mistral.ai/v1",
         "default_models": [
             "mistral-large-latest",
-            "mistral-small-latest",
+            "mistral-small-2506",
             "codestral-latest",
         ],
         "supports_streaming": True,
diff --git a/studio/backend/tests/test_providers_api.py b/studio/backend/tests/test_providers_api.py
index 5790187a0e..30a5362217 100644
--- a/studio/backend/tests/test_providers_api.py
+++ b/studio/backend/tests/test_providers_api.py
@@ -42,7 +42,7 @@ PASSWORD = os.getenv("STUDIO_TEST_PASSWORD", "")
 # Map provider_type → (env var name, model to use for inference test)
 _PROVIDER_CONFIGS: dict[str, tuple[str, str]] = {
     "openai":     ("OPENAI_API_KEY",    "gpt-4o-mini"),
-    "mistral":    ("MISTRAL_API_KEY",   "mistral-small-latest"),
+    "mistral":    ("MISTRAL_API_KEY",   "mistral-small-2506"),
     "gemini":     ("GEMINI_API_KEY",     "gemini-2.5-flash"),
     "cohere":     ("COHERE_API_KEY",    "command-a-03-2025"),
     "openrouter": ("OPENROUTER_API_KEY", "openai/gpt-4o-mini"),