diff --git a/README.md b/README.md
index b5e47809c6f6ae1791f036034623ded152d8cad4..32bbd6165ff7d1397d4dfa08883d9cb09416604c 100644
--- a/README.md
+++ b/README.md
@@ -96,9 +96,9 @@ changed. Command-line flags always override saved preferences.
 | Tier | Default Model |
 |------|---------------|
 | Opus | `hf:moonshotai/Kimi-K2-Thinking` |
-| Sonnet | `hf:MiniMaxAI/MiniMax-M2` |
+| Sonnet | `hf:zai-org/GLM-4.6` |
 | Haiku | `hf:deepseek-ai/DeepSeek-V3.1-Terminus` |
-| Subagent | `hf:MiniMaxAI/MiniMax-M2` |
+| Subagent | `hf:zai-org/GLM-4.6` |
 
 **Override flags:**
 
@@ -118,7 +118,7 @@ synu claude --light hf:model "prompt"  # Sets Haiku
 
 | Default Model |
 |---------------|
-| `hf:MiniMaxAI/MiniMax-M2` |
+| `hf:zai-org/GLM-4.6` |
 
 ```fish
 synu opencode --model hf:other/model "prompt"
@@ -128,8 +128,8 @@ synu opencode --model hf:other/model "prompt"
 
 | Slot | Default Model |
 |------|---------------|
-| Main | `hf:MiniMaxAI/MiniMax-M2` |
-| Editor | (none - single model mode) |
+| Main | `hf:zai-org/GLM-4.6` |
+| Editor | `hf:deepseek-ai/DeepSeek-V3.1-Terminus` |
 
 ```fish
 # Single model mode
@@ -143,7 +143,7 @@ synu aider --model hf:architect/model --editor-model hf:editor/model "prompt"
 
 | Default Model |
 |---------------|
-| `hf:MiniMaxAI/MiniMax-M2` |
+| `hf:zai-org/GLM-4.6` |
 
 ```fish
 synu llxprt --model hf:other/model "prompt"
@@ -153,7 +153,7 @@ synu llxprt --model hf:other/model "prompt"
 
 | Default Model |
 |---------------|
-| `hf:MiniMaxAI/MiniMax-M2` |
+| `hf:zai-org/GLM-4.6` |
 
 ```fish
 synu qwen --model hf:other/model "prompt"
diff --git a/functions/_synu_agents/aider.fish b/functions/_synu_agents/aider.fish
index 3b0b4a99b12e21ef40c570db17c8deb0ab125ce9..92560ef560b7b274efe9c488a3569d3ce9072ae1 100644
--- a/functions/_synu_agents/aider.fish
+++ b/functions/_synu_agents/aider.fish
@@ -10,8 +10,8 @@
 source (status dirname)/../_synu_cache.fish
 
 # Fallback defaults (used when no cache entry exists)
-set -g _synu_aider_fallback_model "hf:MiniMaxAI/MiniMax-M2"
-set -g _synu_aider_fallback_editor_model ""
+set -g _synu_aider_fallback_model "hf:zai-org/GLM-4.6"
+set -g _synu_aider_fallback_editor_model "hf:deepseek-ai/DeepSeek-V3.1-Terminus"
 
 function _synu_aider_default --description "Get default model: _synu_aider_default slot"
     set -l slot $argv[1]
diff --git a/functions/_synu_agents/claude.fish b/functions/_synu_agents/claude.fish
index 1b4fa0e294d3ec86368ea06c963d9038c963d732..92d7674f4538403fb4173d808837149f64d0bb34 100644
--- a/functions/_synu_agents/claude.fish
+++ b/functions/_synu_agents/claude.fish
@@ -10,9 +10,9 @@ source (status dirname)/../_synu_cache.fish
 
 # Fallback defaults (used when no cache entry exists)
 set -g _synu_claude_fallback_opus "hf:moonshotai/Kimi-K2-Thinking"
-set -g _synu_claude_fallback_sonnet "hf:MiniMaxAI/MiniMax-M2"
+set -g _synu_claude_fallback_sonnet "hf:zai-org/GLM-4.6"
 set -g _synu_claude_fallback_haiku "hf:deepseek-ai/DeepSeek-V3.1-Terminus"
-set -g _synu_claude_fallback_agent "hf:MiniMaxAI/MiniMax-M2"
+set -g _synu_claude_fallback_agent "hf:zai-org/GLM-4.6"
 
 function _synu_claude_default --description "Get default model: _synu_claude_default slot"
     set -l slot $argv[1]
diff --git a/functions/_synu_agents/llxprt.fish b/functions/_synu_agents/llxprt.fish
index efb6a9e1258dc10db2980a4417cfbe76b559bad4..0a6f0c24fa11ff3f07981ddd334e4009e58e0908 100644
--- a/functions/_synu_agents/llxprt.fish
+++ b/functions/_synu_agents/llxprt.fish
@@ -10,7 +10,7 @@
 source (status dirname)/../_synu_cache.fish
 
 # Fallback default (used when no cache entry exists)
-set -g _synu_llxprt_fallback_model "hf:MiniMaxAI/MiniMax-M2"
+set -g _synu_llxprt_fallback_model "hf:zai-org/GLM-4.6"
 
 function _synu_llxprt_default --description "Get default model"
     set -l cached (_synu_cache_get llxprt model)
diff --git a/functions/_synu_agents/opencode.fish b/functions/_synu_agents/opencode.fish
index 073d623572b92aaffe599133c75d59b061e1809b..c88750ef4ad534b3109bd25d4ae428ffd4d5f8d4 100644
--- a/functions/_synu_agents/opencode.fish
+++ b/functions/_synu_agents/opencode.fish
@@ -10,7 +10,7 @@
 source (status dirname)/../_synu_cache.fish
 
 # Fallback default (used when no cache entry exists)
-set -g _synu_opencode_fallback_model "hf:MiniMaxAI/MiniMax-M2"
+set -g _synu_opencode_fallback_model "hf:zai-org/GLM-4.6"
 
 function _synu_opencode_default --description "Get default model"
     set -l cached (_synu_cache_get opencode model)
diff --git a/functions/_synu_agents/qwen.fish b/functions/_synu_agents/qwen.fish
index e1b234b44fc6133eaa8bfd4ecdd8ba3e77377ce5..58116f4d4538bfd3e6fbfaf8799fbc797f0569e6 100644
--- a/functions/_synu_agents/qwen.fish
+++ b/functions/_synu_agents/qwen.fish
@@ -10,7 +10,7 @@
 source (status dirname)/../_synu_cache.fish
 
 # Fallback default (used when no cache entry exists)
-set -g _synu_qwen_fallback_model "hf:MiniMaxAI/MiniMax-M2"
+set -g _synu_qwen_fallback_model "hf:zai-org/GLM-4.6"
 
 function _synu_qwen_default --description "Get default model"
     set -l cached (_synu_cache_get qwen model)