diff --git a/api/routes.py b/api/routes.py
index 190bcd7..0dc968e 100644
--- a/api/routes.py
+++ b/api/routes.py
@@ -629,7 +629,15 @@ def _handle_chat_sync(handler, body):
     try:
         from run_agent import AIAgent
         with CHAT_LOCK:
-            agent = AIAgent(model=s.model, platform='cli', quiet_mode=True,
+            from api.config import cfg as _hcfg
+            _model = s.model or ''
+            _prov = None
+            _mc = _hcfg.get('model', {})
+            if isinstance(_mc, dict):
+                _prov = _mc.get('provider')
+            if _prov and '/' in _model and _model.startswith(_prov + '/'):
+                _model = _model.split('/', 1)[1]
+            agent = AIAgent(model=_model, provider=_prov, platform='cli', quiet_mode=True,
                            enabled_toolsets=CLI_TOOLSETS, session_id=s.session_id)
             workspace_ctx = f"[Workspace: {s.workspace}]\n"
             workspace_system_msg = (
diff --git a/api/streaming.py b/api/streaming.py
index 25a66a1..be42a10 100644
--- a/api/streaming.py
+++ b/api/streaming.py
@@ -13,6 +13,7 @@ from pathlib import Path
 from api.config import (
     STREAMS, STREAMS_LOCK, CANCEL_FLAGS, CLI_TOOLSETS,
     _get_session_agent_lock, _set_thread_env, _clear_thread_env,
+    cfg as _hermes_cfg,
 )
 
 # Lazy import to avoid circular deps -- hermes-agent is on sys.path via api/config.py
@@ -99,8 +100,18 @@ def _run_agent_streaming(session_id, msg_text, model, workspace, stream_id, atta
 
             if AIAgent is None:
                 raise ImportError("AIAgent not available -- check that hermes-agent is on sys.path")
+            # Resolve provider from config so agent routes to the right API
+            _provider = None
+            model_cfg = _hermes_cfg.get('model', {})
+            if isinstance(model_cfg, dict):
+                _provider = model_cfg.get('provider')
+            # If model has provider/ prefix matching config provider, strip it
+            # so AIAgent doesn't misroute to OpenRouter
+            if _provider and '/' in model and model.startswith(_provider + '/'):
+                model = model.split('/', 1)[1]
             agent = AIAgent(
                 model=model,
+                provider=_provider,
                 platform='cli',
                 quiet_mode=True,
                 enabled_toolsets=CLI_TOOLSETS,