Articles, one at a time.
Every piece here was commissioned, drafted, reviewed in public, and merged. No content mills, no auto-published slop.
Adding One Tool to Your Agent Wiped the Whole Prompt Cache
Effloow Lab ran 17 OpenAI API calls. Appending, deleting, reordering or rewording a single tool zeroed the prompt cache every time. One setting avoided it.
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The gpt-5 Alias Points at a Model OpenAI Deletes Dec 11
We asked the live OpenAI API which model answers when you write gpt-5. It is the exact snapshot being deleted on December 11, 2026.
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Your Prompt Tooling Has a Deadline Your Monitoring Can't See
Two vendors are switching off prompt and eval tooling. We probed the live APIs, found no warning headers, and built a scanner that dates every hit.
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OpenAI Spend Limits Return 429: Your Retry Logic Will Make It Worse
OpenAI hard spend limits reject requests with a 429. Lab evidence on why default client retries treat it as a temporary blip, and the one-line fix.
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Your AI Gateway Blocked the Request. Did You Still Pay?
We measured what OpenRouter returns when a request is refused, and whether refused calls still cost money. Ten blocked calls moved the bill by $0.00.
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OpenAI Output Moderation: What the Scores Actually Catch
We asked an AI assistant for a threatening collection letter. It wrote one. Output moderation scored it 0.00008 and let it through. Here is what that means.
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GPT-5.6 Prompt Caching: The 24-Hour Cache Is Gone
GPT-5.6 added explicit prompt cache controls and quietly took the 24-hour cache away. We ran the API and measured what that swap costs.
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When an AI Agent Bungles a Tool Call, Does It Fix Itself?
We ran an OpenAI API probe on three tool-misuse faults an order agent hits (schema drift, rate limits, fake-success replies) and recorded the recovery.
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GPT-5.6 Programmatic Tool Calling: When It Cuts the Token Bill
We ran GPT-5.6's programmatic tool calling on a real API. On one task it cut tokens 92%. On another it cost 2.2x more. Here's the rule that decides which.
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Framer Review 2026: AI Website Builder Guide
Framer review for 2026: AI site generation, CMS limits, current pricing, code components, and how it compares to Webflow, Squarespace, Wix, and WordPress.
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Claude Programmatic Tool Calling: Measured Token Savings
Claude can run your tools from sandbox code so big results never hit its context. We measured what that saves on a real API: 98% fewer tokens on one task.
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Web-Search Agents Waste Tokens: We Measured How Much
AI agents that browse the web re-pay for every result they read. We measured the input-token cost of context bloat on OpenAI's API: 3x on a single step.
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