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Envision's Tianji weather model tops ECMWF's AI Weather Quest competition

Envision says its independently developed Tianji foundation model placed first in the latest AI Weather Quest run by the European Centre for Medium-Range…

By idly desk · from 1 report · · 1 min read
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The gist

Story
  • Envision's Tianji weather foundation model ranked first in the latest AI Weather Quest, according to the company.
  • The contest is run by the European Centre for Medium-Range Weather Forecasts (ECMWF).
  • Envision describes the win as a new global benchmark for physics-based AI forecasting; no independent results were in…

What's new

Envision, a Shanghai-based green technology company, announced on 30 October 2026 that its independently developed weather foundation model, Envision Tianji, came first in the latest edition of the AI Weather Quest. The contest is organised by the European Centre for Medium-Range Weather Forecasts (ECMWF). The details come from the company's own announcement, distributed through PR Newswire in German, French and Spanish versions.

Why it matters

The AI Weather Quest is a forecasting competition, so a top placing speaks to how well an AI model predicts weather against others. Envision says the result sets a new global standard for forecasts that combine artificial intelligence with physical science. The claim is the company's own and is not framed by the sources as an independent verdict.

What we don't know yet

The sources do not give the scores, the number of entrants, or how Tianji's accuracy compared with rival models. They also do not include any statement from ECMWF or independent experts on the result.

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