# Sakana AI — Inference-Time Scaling and Collective Intelligence for Frontier AI

- Company: Sakana AI (sakana.ai)
- Announced: 2025-06-30T15:00:00+00:00
- Category: research-paper
- Subject: Sakana models
- Models affected: o4-mini, Gemini-2.5-Pro, R1-0528
- Source: https://sakana.ai/ab-mcts
- Record: https://forck.live/items/4711-inference-time-scaling-and-collective-intelligence-for-frontier-ai

Sakana AI announces AB-MCTS, a new inference-time scaling algorithm that enables multiple frontier AI models to cooperate, achieving strong performance on the ARC-AGI-2 benchmark. The algorithm is open-sourced with code and a paper.

## Evidence

Verbatim from https://sakana.ai/ab-mcts:

> We have developed AB-MCTS, a new inference-time scaling algorithm that enables multiple frontier AI models to cooperate, achieving promising initial results on the ARC-AGI-2 benchmark.

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