Multi-AI Council Research 🔍: GPT 5.2, Claude Opus 4.6 & Gemini 3 Pro Aggregation

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Built by Davide Boizza Davide Boizza
Created on June 05, 2026

Description


This workflow implements a multi-model AI orchestration with the BEST models at now (ChatGPT 5.2, Claude Opus 4.6, Gemini 3 Pro) and response aggregation system designed to handle user chat inputs intelligently and reliably.

Key Advantages

1. ✅ Higher Answer Quality

By combining multiple top-tier AI models, the workflow reduces blind spots and single-model bias, resulting in more accurate and nuanced answers.

2.✅ Built-in Reliability and Redundancy

If one model underperforms or misunderstands the query, the others compensate, improving robustness and consistency.

3. ✅ Intelligent Query Handling

The search classification and optimization layer ensures that:

research queries are handled with precision,
casual conversation is not over-processed,
model resources are used efficiently.

4. ✅ Balanced and Transparent Reasoning

Contradictions between models are not hidden. Instead, they are reconciled or clearly explained, increasing trust in the final output.

5. ✅ Scalability and Extensibility

The architecture makes it easy to:

add new models,
swap providers,
experiment with different aggregation strategies,
without redesigning the entire workflow.

6. ✅ Enterprise-Ready Design

This approach is well suited for:

research assistants,
decision-support tools,
knowledge management systems,
high-stakes professional use cases where answer quality matters more than speed alone.

How it Works

Input Processing: When a chat message is received, it's sent to a "Search Query Optimizer" that determines whether the input is a research query or general conversation. If it's a search query, it's optimized for better search results.

Multi-Model Query Execution: If the input is classified as a research query, the workflow simultaneously sends the optimized query to three different AI models:
ChatGPT 5.2 (OpenAI)
Claude Opus 4.6 (Anthropic)
Gemini 3 Pro (Google)

Response Aggregation: Each model's response is collected separately, then all three responses are sent to a "Multi-Response Aggregator" which synthesizes them into a single comprehensive answer.

Fallback Handling: If the input is not a research query, the workflow bypasses the multi-model execution and sends a default message asking the user to enter a research text.
Set up Steps
Model Configuration: Ensure you have valid API credentials set up for:
OpenAI (for ChatGPT 5.2)
Anthropic (for Claude Opus 4.6)
Google Gemini (for both query optimization and Gemini 3 Pro)

Connection Verification: Confirm all node connections are properly established in the workflow editor, particularly:
Chat trigger to Search Query Optimizer
Conditional branch routing based on query classification
Parallel connections to the three AI models
Response collection to the aggregator

Prompt Customization: Review and adjust the system prompts in:
Search Query Optimizer (for query classification rules)
Multi-Response Aggregator (for synthesis guidelines)
Each model's chain nodes (if specific formatting is required)

Testing: Activate the workflow and test with various inputs to verify:
Proper classification of research vs. non-research queries
Simultaneous execution of all three AI models
Correct aggregation of responses
Appropriate fallback message for non-research inputs


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Nodes Used (5)

Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic
Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm
Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured