Change model from gpt-3.5-turbo to gpt-4o-mini

[devleejb]

What this PR does / why we need it:
This PR modifies the model used in the application by changing it from gpt-3.5-turbo to gpt-4o-mini. This change is intended to enhance performance and improve the quality of responses generated.

Which issue(s) this PR fixes:

Fixes #290

Special notes for your reviewer:
The shift to the gpt-4o-mini model is based on feedback and testing that suggests better results in real-time interactions. The adjustment aligns with our ongoing efforts to leverage advanced AI capabilities for a better user experience.

Does this PR introduce a user-facing change?:

Additional documentation:

Checklist:

• Added relevant tests or not required
• Didn't break anything

Summary by CodeRabbit

• New Features
  • Updated the chat model to utilize the GPT-4o-mini variant, enhancing chat interaction capabilities and performance.

[coderabbitai]

Walkthrough

The recent update modifies the useFactory method in the chatModelFactory of the langchain.module.ts file. The change introduces the modelName property set to "gpt-4o-mini" when instantiating the ChatOpenAI class, transitioning from the previous model. This adjustment aims to enhance performance and cost efficiency in chat interactions, maintaining the overall factory structure while shifting the underlying AI capabilities.

Changes

Files	Change Summary
backend/src/langchain/langchain.module.ts	Updated useFactory to set modelName to "gpt-4o-mini" in chatModelFactory.

Assessment against linked issues

Objective	Addressed	Explanation
Change model from gpt-3.5-turbo to gpt-4o-mini for improved performance and cost efficiency (#290)	✅

Poem

In the meadow where bunnies dwell,
A model change weaves a tale to tell.
With "gpt-4o-mini" in our chat,
Performance leaps, and costs fall flat!
Hopping high, our hopes take flight,
Better chats from day to night! 🐇✨

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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between c4cd7f5 and 8212f1e.

Files selected for processing (1)

• backend/src/langchain/langchain.module.ts (1 hunks)

Additional comments not posted (1)

backend/src/langchain/langchain.module.ts (1)

7-7: Model switch approved. Verify integration.

The change to use modelName: "gpt-4o-mini" in the ChatOpenAI instantiation aligns with the PR objectives to enhance performance and cost efficiency. The modification is straightforward and maintains the existing factory structure.

Ensure that all parts of the application using this model are compatible with gpt-4o-mini.

Verification successful

---

Compatibility confirmed for new model gpt-4o-mini.

The ChatModel provider is injected as a BaseChatModel in intelligence.service.ts, which aligns with the updated factory in langchain.module.ts. The switch to gpt-4o-mini should not disrupt functionality as long as it adheres to the BaseChatModel interface. No further compatibility issues were found.

• backend/src/intelligence/intelligence.service.ts: Uses ChatModel as BaseChatModel.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify compatibility with the new model across the codebase.

# Test: Search for all usages of the "ChatModel" provider to ensure compatibility.
rg --type ts -A 5 $'ChatModel'

Length of output: 1881