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In this video, I'll be talking about OpenRouter's new Fusion API, which claims to deliver Fable-level intelligence at half the price, and I'll be testing whether it actually lives up to those claims in real-world use. -- Key Takeaways: 🚀 OpenRouter has introduced Fusion API, a compound model system that combines responses from multiple models. 🧠 Fusion sends prompts to a panel of models, then uses a judge model to analyze and produce the final answer. 📊 OpenRouter claims Fusion can match or beat Fable-level intelligence based on DRACO Bench results. ⚠️ The benchmark focuses on Deep Research tasks, which makes the broader performance claims feel misleading. 🧪 Real-world tests like simulators, SVG generation, math questions, and coding-style tasks show inconsistent results. 💸 Fusion can be slower, more expensive, and sometimes worse than simply using one strong model directly. 👍 Overall, Fusion is an interesting idea, but it does not seem like a true Fable competitor in its current state.