Better
answers
from
open
models

Fortytwo builds AI infrastructure where models collaborate
to deliver higher accuracy, efficiency, and safety.

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Fortytwo
Engine

An API that uses Swarm Inference
to make open models more
accurate and token-efficient.

  • Qwen3.8-27B is live
  • OpenAI-compatible API
Higher
accuracy

Models guide a shared reasoning process, improving the answer as it is generated.

Fewer tokens
per task

Up to 25% fewer tokens
per task compared with
the base model.

Same price,
more done

Same per-token price as the
base model. Higher token efficiency
helps your budget go further.

Fortytwo
Harbor

Frontier-grade AI that runs entirely inside your perimeter. Better than any open weight model available, zero data egress, at a fixed cost.

Explore Harbor
Frontier-grade AI,
behind your firewall

Run a swarm of specialized models on your infrastructure, with frontier-grade reasoning and no data ever leaving your environment.

Reliable against
prompt injection risks

Models evaluate each other constantly, increasing protection against misleading prompts. Reputation-weighted voting sets aside inappropriate answers.

Fixed cost,
predictable scalability

Fixed hardware cost replaces per-token billing, for predictable spend and controlled rate limits. ~30% lower total cost of ownership.

Recent open-sourced
releases

Latest Research

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community