Update app.py

app.py

@@ -16,10 +16,16 @@ hf_token = os.environ.get("HF_TOKEN", "")
 # with "Provider 'deepinfra' not supported". 'novita' is a supported provider that
 # serves DeepSeek-V3. If it ever stops working, swap it for another from the list:
 # together, fireworks-ai, sambanova, hyperbolic, nebius, nscale.
-CANDIDATE_PROVIDERS = ["together", "fireworks-ai", "sambanova", "nebius", "hyperbolic", "nscale", "hf-inference"]
+# The base repo "deepseek-ai/DeepSeek-V3" is no longer served by any inference
+# provider (only bring-your-own-endpoint). The revision providers actually host is
+# "deepseek-ai/DeepSeek-V3-0324". As of now, featherless-ai is the only provider
+# reporting a LIVE status for it; novita and deepinfra are erroring. Order matters:
+# the respond() loop uses the first provider that streams successfully.
+MODEL_ID = "deepseek-ai/DeepSeek-V3-0324"
+CANDIDATE_PROVIDERS = ["featherless-ai", "novita", "deepinfra"]
 
 clients = [
-    (p, InferenceClient(model="deepseek-ai/DeepSeek-V3", token=hf_token, provider=p))
+    (p, InferenceClient(model=MODEL_ID, token=hf_token, provider=p))
     for p in CANDIDATE_PROVIDERS
 ]