Gemini Enterprise Agent Platform: RL fine-tuning for Gemini 3.5 Flash in preview

Reinforcement Learning fine-tuning is available for Gemini 3.5 Flash in Public Preview Reinforcement Learning fine-tuning is now available for the gemini-3.5-flash models in Preview . Model tuning for Gemini 3.5 Flash is restricted to us-central1 and europe-west4 , and tuned model serving is restricted to the us and eu multi-region endpoints. See About reinforcement learning fine-tuning for more information.