openai

Exploring OpenAI's GPT-3.5-Turbo: Performance, Fine-Tuning, and Usage

Tal Peretz

Sep 2, 2024 — 1 min read

OpenAI's gpt-3.5-turbo model continues to be a cornerstone for developers seeking advanced language capabilities. This blog post delves into key aspects of this model, including updates, performance, fine-tuning, and practical usage tips.

Model Updates and Versions

The gpt-3.5-turbo model is part of the GPT-3.5 family and has undergone several updates. The latest version, such as gpt-3.5-turbo-1106, provides improved functionalities. Developers can use pinned versions like gpt-3.5-turbo-1106 for at least three months after newer updates.

Performance and Issues

While newer versions aim to enhance performance, some users have reported issues like frequent "I'm sorry, I can't do that" responses. Older versions, such as gpt-3.5-turbo-0613, are preferred by some for their stability and consistency.

Fine-Tuning Capabilities

Fine-tuning is now available for gpt-3.5-turbo. This feature allows developers to customize the model with specific data, potentially surpassing base GPT-4 performance in certain tasks. OpenAI ensures safety through its Moderation API during the fine-tuning process.

API and Usage

The model is optimized for chat but also supports traditional completion tasks. Accessible via the /v1/chat/completions endpoint, the cost is $3.00 per 1M input tokens and $6.00 per 1M output tokens.

Deprecation and Model Management

Older GPT-3 models like ada, babbage, curie, and davinci will be deprecated by January 4th, 2024. Newer versions like babbage-002 and davinci-002 are available as replacements.

Conclusion

The gpt-3.5-turbo model offers robust capabilities with options for fine-tuning and consistent updates. Developers should leverage these features to enhance their applications while staying informed about version updates and deprecation schedules.

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