42AI launches behavioral world model for predicting trader actions
42AI, a Tel Aviv-based startup, emerged from stealth on November 2, 2026, introducing a Behavioral World Model designed to forecast individual human decisions in dynamic environments. The company claims its model predicts traders’ actions—including instrument choice, direction, timing, and volume—with accuracy above 98% across millions of traders at horizons of one, four, and 24 hours. It…
Key points
- 42AI’s Behavioral World Model predicts trader actions with **>98% accuracy** at 1-, 4-, and 24-hour horizons
- Model fine-tuned Llama 3.1-8B-Instruct with psychometric data, per February 2026 research preprint
- Startup targets financial markets first, claims **$62.5M raised** and focuses on behavioral risk intelligence
42AI’s approach combines psychological, behavioral, and genomic data (though it does not specify data provenance or consent processes). Its platform aims to move from raw data to behavioral drivers, then to predictions of reactions over time. The company cites a February 2026 research preprint, Decoding the Human Factor, which details fine-tuning Llama 3.1-8B-Instruct with structured psychometric profiles. The preprint suggests the model improves behavioral prediction in controlled scenarios, but the commercial product’s performance remains unvalidated by independent sources. The startup has raised $62.5 million to date and is led by CEO Amit Gal-Or, CTO Ehud Ezra, and co-founder/chairman Amir Gal-Or, with Nobel laureate Dan Shechtman as a senior advisor.
42AI Launches a Behavioral World Model to Predict Human Decisions
Unite.AI · 2 November 2026
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