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Author @DavidOndrej1 reposts OpenRouter's announcement and captions it "this…

2026-06-13 · 19:47 UTC ·@DavidOndrej1 ·0 min read

Brief

DavidOndrej1 highlights OpenRouter's June announcement of the Fusion API, calling it hopeful. OpenRouter markets Fusion as the "smartest compound model," matching Fable-level intelligence at half the price, and links to a thread that promises technical details on how the Fusion approach works.

Why it matters

Author @DavidOndrej1 reposts OpenRouter's announcement and captions it "this gives me hope".

Key details

  • OpenRouter claims the new Fusion API is the "smartest compound model in the market," achieves "Fable-level intelligence" and costs half as much as Fable.
  • OpenRouter included a thread link (nitter.net/OpenRouter/status/2065856853989270011#m) promising an explanation of how Fusion works.
Source evidence

this gives me hope

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