ChatGPT FAQ: How to Handle Not Receiving Verification Codes, Missing Conversations, and Unavailable Models
When using ChatGPT, what most often blocks people isn’t “not knowing how to use it,” but not being able to log in, chat history suddenly disappearing, or model options being grayed out. This article breaks these high-frequency issues down by scenario and provides a practical troubleshooting order and solutions to help you avoid detours. How to troubleshoot not receiving verification codes and login failures If you don’t receive a verification code when logging in to ChatGPT, first confirm you didn’t enter the wrong email address and check whether the message was filtered into Spam/Promotions; for corporate email, also check whether a gateway filter is blocking it. It’s recommended to add the sender domain to the whitelist and then
Claude API Feature Update Quick Look: Extended Outputs and Practical Console Improvements
Recent Claude API updates are more focused on improvements “developers can use in everyday work”: longer outputs, a smoother console experience, and clearer usage and cost tracking. Below, we’ll quickly explain the most impactful changes—how to use the new Claude API features and who they’re for. Extended output: Claude Sonnet 3.5 up to 8192 tokens In the Claude API, Claude Sonnet 3.5’s maximum output limit
Claude Opus 4.6 Troubleshooting Guide: Truncated Replies, Rate Limits, and File Uploads
When using Claude Opus 4.6, if replies suddenly cut off, messages fail to send, or files stay stuck on “parsing,” it’s usually not that “the system is broken,” but that context length, file format, or rate limits have been triggered. Below is a Claude Opus 4.6 troubleshooting checklist based on the most common scenarios—first identify the cause, then apply practical fixes. Start with three steps to pinpoint the issue and narrow down the Claude Opus 4.6 error scope Claude Opus 4.6 troubleshooting建议先看：whether it only happens in a specific conversation, whether it only happens in
ChatGPT FAQ: Troubleshooting Login Issues, Request Errors, and Upload Failures
When using ChatGPT, the most common stumbling points are logging in, failing to send messages, and unsuccessful file uploads. Below, I break down the high-frequency issues by scenario and provide a troubleshooting sequence you can follow step by step. When you encounter similar errors, start with a “simple to complex” self-check; you can usually get things back to normal quickly. Unable to log in or the verification code keeps failing When ChatGPT login behaves abnormally, first confirm whether you have browser extensions enabled (ad blockers, script managers, privacy/anti-tracking tools). Many verification-code loading failures are related to these. Try again in an incognito window, and
Introduction to new Claude API features: long context, citations, and console upgrades
If you’re using the Claude API for customer support, RAG, or a coding assistant, several recent updates are well worth adopting right away: longer outputs, clearer citations, more cost-effective prompt reuse, and more practical console tools. Below is an overview of the new Claude API features from the perspective of “what you can start using immediately.” Longer output: Sonnet extended to 8192 tokens The Claude API now supports Claude Sonnet 3.5’s ext
