neat thing I found months ago: if you take the union of terminal bench 2.0 tasks solved by opus 4.6, gpt 5.4, and gemini 3 pro, you get 92% vs. 75% for the leading model at the time
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 👇
— https://nitter.net/OpenRouter/status/2065856853989270011#m