Your chat history is the least portable thing you own, and the moment you need it is usually the moment you cannot get it. Every major provider offers a data...
When a model “forgets” something you told it, the information almost always left the context window rather than being misunderstood. Conversations grow, older turns get dropped, and the model answers...
A rules file is a system prompt that ships with your repository, and it is charged on every single request. That framing settles most of the arguments about what belongs...
When an MCP server will not connect, the cause is nearly always one of four things: the command is not on the client’s PATH, the server writes to stdout, credentials...
A spending limit is a circuit breaker, not a budget. When it trips your API stops serving traffic, which means the limit protects you from a runaway bill by causing...
The reason AI tools mangle long files is almost never comprehension. It is that asking a model to reproduce a 2,000-line file guarantees a truncated or silently altered copy. The...
Most systems send every request to one model, and that single decision is usually the largest avoidable line on the bill. Classification, extraction and routing do not need a frontier...
Assume every token you send to a model is written to a log you do not control. Not because providers are careless, but because prompts pass through your own logging,...
Vision requests fail for two unrelated reasons that look similar: the HTTP request body is physically too big, or the images consume more of the context window than you have...
A stream that dies mid-response is usually killed by something between you and the provider, not by the model. Proxies, load balancers and serverless platforms enforce idle and total-duration timeouts...