diff --git a/libs/partners/fireworks/langchain_fireworks/data/_profiles.py b/libs/partners/fireworks/langchain_fireworks/data/_profiles.py
index 53a0473f7e0..ffaea732d09 100644
--- a/libs/partners/fireworks/langchain_fireworks/data/_profiles.py
+++ b/libs/partners/fireworks/langchain_fireworks/data/_profiles.py
@@ -56,6 +56,27 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": False,
         "temperature": True,
     },
+    "accounts/fireworks/models/deepseek-v4-flash": {
+        "name": "DeepSeek V4 Flash",
+        "release_date": "2026-04-24",
+        "last_updated": "2026-04-24",
+        "open_weights": True,
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 384000,
+        "text_inputs": True,
+        "image_inputs": False,
+        "audio_inputs": False,
+        "video_inputs": False,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "structured_output": True,
+        "attachment": False,
+        "temperature": True,
+    },
     "accounts/fireworks/models/deepseek-v4-pro": {
         "name": "DeepSeek V4 Pro",
         "release_date": "2026-04-24",