World Cup 2026 · Round of 32 · 29 June 2026
Brazil vs Japan: the AI predictions
Final score: Brazil 2–1 Japan. Brazil advanced.
All 5 models picked Brazil. The result: Brazil 2–1 Japan, with Brazil advancing.
Live pre-kickoff forecasts
Fresh forecasts made by the same five models shortly before kick-off, with knowledge of the tournament so far. Scored separately from the committed picks.
| Model | Pick | Brazil win | Japan win | Called it? |
|---|---|---|---|---|
| Claude (Anthropic) | Brazil | 70% | 30% | ✓ yes |
| GPT (OpenAI’s ChatGPT) | Brazil | 59% | 41% | ✓ yes |
| Gemini (Google) | Brazil | 58% | 42% | ✓ yes |
| Grok (xAI) | Brazil | 71% | 29% | ✓ yes |
| DeepSeek (DeepSeek) | Brazil | 60% | 40% | ✓ yes |
What the models were thinking
Claude: Brazil's superior squad depth and individual quality (Vinícius, Raphinha, Cunha) make them favorites, and they topped Group C convincingly with a 3-0 win over Scotland. However, Japan's excellent recent form—including a prior 3-2 win over Brazil and wins over England and Scotland—warrants a meaningful upset chance in a single knockout tie.
GPT: Brazil have the stronger baseline profile with a higher FIFA ranking and topped their group unbeaten with a +6 goal difference. Japan are dangerous given their unbeaten group run and recent 3-2 win over Brazil, so the edge is meaningful but not overwhelming.
Gemini: Although Japan boasts excellent recent form and a recent 3-2 victory over Brazil, the South Americans possess superior overall squad depth and a higher FIFA ranking. Brazil's strong group stage performance suggests they have the quality to edge past a resilient Japanese side in a tight knockout fixture.
Grok: Brazil's higher FIFA ranking, deeper squad with elite attackers like Vinícius Júnior and Endrick, and stronger overall pedigree outweigh Japan's recent form and 3-2 friendly win; knockout experience favors the higher-ranked side.
DeepSeek: Brazil's superior talent and top group finish make them favorites, but Japan's recent form including a win over Brazil gives them a solid chance.