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Google introduces T5Gemma, a new collection of encoder-decoder models adapted from the Gemma 2 decoder-only architecture, offering improved quality-efficiency trade-offs for tasks like summarization and translation.
OpenAI has released fine-tuning capabilities for GPT-3.5 Turbo, allowing developers to customize models for specific use cases with improved performance, steerability, and output formatting. The update enables fine-tuned GPT-3.5 Turbo to match GPT-4 performance on certain tasks while reducing prompt sizes by up to 90%.