AI Model Troubleshooting

Common issues and solutions when using AI models

Gemini 3 Flash Preview Response Speed Optimization Guide: 5 Key Parameter Configuration Tips

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Dealing with long response times when calling the Gemini 3 Flash Preview model is a common challenge for developers. In this post, we'll dive into configuration tips for key parameters like timeout, max_tokens, and thinking_level to help you master response time optimization for Gemini 3 Flash Preview. Core Value: By the end of this guide, … Read more

Complete Guide to Ultra-Large Video File Understanding API: 3 Methods for Handling 100MB to 2GB Videos

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Handling AI understanding for huge video files has always been a pain point for developers—uploads timeout, base64 encoding causes memory overflows, and APIs return 413 errors. The good news is that in January 2026, Google significantly boosted Gemini API's file handling capabilities: inline upload limits increased from 20MB to 100MB, Files API now supports up … Read more

Resolving Vertex AI 400 Error: 3 Request Body Format Issues Caused by role Parameter Differences

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When working with the Google Gemini API, migrating from AI Studio to Vertex AI is a transition most developers eventually make. However, a seemingly minor difference in the role parameter has tripped up plenty of developers: [&{Please use a valid role: user, model. (request id: xxx) 400 }] The root cause of this 400 error … Read more