diff --git a/README.md b/README.md
index 8aa6939..599e0ca 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,10 @@ OLLIE_TIER_WORKER_openrouter=mistralai/devstral-small
 OLLIE_TIER_EXPERT_openrouter=anthropic/claude-sonnet-4-20250514
 OLLIE_TIER_WORKER_kiro=claude-haiku-4-20250514
 OLLIE_TIER_EXPERT_kiro=claude-sonnet-4-20250514
+OLLIE_TIER_WORKER_anthropic=claude-haiku-4-20250514
+OLLIE_TIER_EXPERT_anthropic=claude-sonnet-4-20250514
+OLLIE_TIER_WORKER_ollama=qwen3:8b
+OLLIE_TIER_EXPERT_ollama=qwen3:32b
 ```
 
 Shell environment variables take precedence over the env file.
diff --git a/doc/env.sample b/doc/env.sample
index ba123b7..9b65a06 100644
--- a/doc/env.sample
+++ b/doc/env.sample
@@ -56,4 +56,17 @@
 
 # cascade: worker model for spawned agents
 #OLLIE_CASCADE_BACKEND=openrouter
-#OLLIE_CASCADE_MODEL=deepseek/deepseek-v4-flash
\ No newline at end of file
+#OLLIE_CASCADE_MODEL=deepseek/deepseek-v4-flash
+
+# Enabled backends for t/route (comma-separated)
+#OLLIE_ENABLED_BACKENDS=openrouter,kiro
+
+# Per-backend tier models for t/route
+#OLLIE_TIER_WORKER_openrouter=mistralai/devstral-small
+#OLLIE_TIER_EXPERT_openrouter=anthropic/claude-sonnet-4-20250514
+#OLLIE_TIER_WORKER_kiro=claude-haiku-4-20250514
+#OLLIE_TIER_EXPERT_kiro=claude-sonnet-4-20250514
+#OLLIE_TIER_WORKER_anthropic=claude-haiku-4-20250514
+#OLLIE_TIER_EXPERT_anthropic=claude-sonnet-4-20250514
+#OLLIE_TIER_WORKER_ollama=qwen3:8b
+#OLLIE_TIER_EXPERT_ollama=qwen3:32b
\ No newline at end of file