OpenRouter 发布 Fusion API：半价实现 Fable 级智能

This is an insane release from OpenRouter, and not just because it's perfect timing. It shows that ...

This is an insane release from OpenRouter, and not just because it's perfect timing. It shows that frontier models alone do not own all the points on the cost-accuracy Pareto curve for knowledge work tasks; in fact they may not be on the Pareto curve at all. The Pareto curve may be defined by a mixture of models, which any independent third-party (e.g. an AI startup) has access to but the model labs do not. It's also surprising because this feature seems extremely horizontal and is not even well-tuned for a specific task. You can prompt the Fusion API with anything. This just means that for any given workflow subset, there's even greater alpha to exploit, by hillclimbing a task-specific benchmark. The more specific the workflow, the more hillclimbing you can do. This should be pretty obvious with a practical example - if you're trying to automate invoice reconciliation at scale, you can be orders of magnitude cheaper and more reliable than "raw" Claude by tuning an agentic workflow with a mixture of models for document extraction, line-item validation, and contract matching. That alpha is what's exploitable by any company out there that's not a frontier lab. OpenRouter @OpenRouter Introducing the Fusion API, the smartest compound model in the market. Fusion achieves Fable-level intelligence at half the price. How it works 👇 🔗 View Quoted Tweet 💬 4 🔄 0 ❤️ 17 👀 3431 📊 7 ⚡