Alibaba Higress Higress Auto Router

Higress Auto Router

Configure automatic model routing using the get-ai-gateway.sh CLI tool for intelligent model selection based on message content triggers.

Prerequisites

• Higress AI Gateway running (container name: higress-ai-gateway)
• get-ai-gateway.sh script downloaded

CLI Commands

Add a Routing Rule

./get-ai-gateway.sh route add --model <model-name> --trigger "<trigger-phrases>"

Options:

• --model MODEL (required): Target model to route to
• --trigger PHRASE: Trigger phrase(s), separated by | (e.g., "深入思考|deep thinking")
• --pattern REGEX: Custom regex pattern (alternative to --trigger)

Examples:

# Route complex reasoning to Claude
./get-ai-gateway.sh route add \
  --model claude-opus-4.5 \
  --trigger "深入思考|deep thinking"

# Route coding tasks to Qwen Coder
./get-ai-gateway.sh route add \
  --model qwen-coder \
  --trigger "写代码|code:|coding:"

# Route creative writing
./get-ai-gateway.sh route add \
  --model gpt-4o \
  --trigger "创意写作|creative:"

# Use custom regex pattern
./get-ai-gateway.sh route add \
  --model deepseek-chat \
  --pattern "(?i)^(数学题|math:)"

List Routing Rules

./get-ai-gateway.sh route list

Output:

Default model: qwen-turbo

ID   Pattern                                  Model               
----------------------------------------------------------------------
0    (?i)^(深入思考|deep thinking)             claude-opus-4.5     
1    (?i)^(写代码|code:|coding:)               qwen-coder          

Remove a Routing Rule

./get-ai-gateway.sh route remove --rule-id <id>

Example:

# Remove rule with ID 0
./get-ai-gateway.sh route remove --rule-id 0

Common Trigger Mappings

Usage Flow

1. User Request: "我希望在解决困难问题时路由到claude-opus-4.5"

2. Execute CLI:

   ./get-ai-gateway.sh route add \
     --model claude-opus-4.5 \
     --trigger "深入思考|deep thinking"
   

3. Response to User:

   ✅ 自动路由配置完成！
   
   触发方式：以 "深入思考" 或 "deep thinking" 开头
   目标模型：claude-opus-4.5
   
   使用示例：
   - 深入思考 这道算法题应该怎么解？
   - deep thinking What's the best architecture?
   
   提示：确保请求中 model 参数为 'higress/auto'
   

How Auto-Routing Works

1. User sends request with model: "higress/auto"
2. Higress checks message content against routing rules
3. If a trigger pattern matches, routes to the specified model
4. If no match, uses the default model (e.g., qwen-turbo)

Configuration File

Rules are stored in the container at:

/data/wasmplugins/model-router.internal.yaml

The CLI tool automatically:

• Edits the configuration file
• Triggers hot-reload (no container restart needed)
• Validates YAML syntax

Error Handling

• Container not running: Start with ./get-ai-gateway.sh start
• Rule ID not found: Use route list to see valid IDs
• Invalid model: Check configured providers in Higress Console

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