OpenRouter usage limits are best understood as a combination of free-model quotas, account credits, API key budgets, provider capacity, routing policy, fallback behavior, BYOK configuration, server-tool usage, and production observability rather than one universal rate limit. This matters because an application can fail for several different reasons that look similar from the user’s perspective. A request may fail because a free-model quota was exhausted, a key spending cap w

Claude Opus 4.7 is best understood as an enterprise model for difficult work where large context, long-horizon reasoning, codebase understanding, workflow automation, professional analysis, and governance controls need to operate together. Its value is not limited to stronger answers in a chat interface, because enterprise teams need models that can work across repositories, documents, spreadsheets, tickets, dashboards, internal tools, and review workflows without losing the

ChatGPT 5.5 Thinking is designed for tasks where ordinary fast answers are not enough, because the work requires deeper reasoning, planning, tool use, file analysis, coding, synthesis, verification, and long-form structure across multiple steps. Its practical value is not simply that it spends more time on a response. Its value is that it can hold a more difficult objective in view while interpreting messy instructions, deciding what evidence matters, using available tools, o