GLM-5.1 predicts a spain win in this Round of 16 match at AT&T Stadium · Arlington, TX. 8 of 11 AI models agree on this pick, making it the clear consensus. 6 models share the 1–2 scoreline prediction. This is GLM-5.1's initial prediction (pre-tournament).
Spain's defense has been impenetrable (0 goals conceded in 4 matches) and their attack clicked with Oyarzabal's 4-goal tournament and Yamal's emergence. Portugal were unconvincing in the group stage (draws vs Colombia and Congo DR) and needed a stoppage-time winner vs Croatia, suggesting they lack the control to match Spain's structure.
| MODEL | AGREES | PICK | SCORE | CONF |
|---|---|---|---|---|
| Claude Opus 4.8 | ✓ | Spain | 1–2 | 60% |
| Spain have been the tournament's most complete side (W-W-W, strong defense with clean sheets and Oyarzabal/Yamal firing), while Portugal needed a late Ramos winner to edge Croatia; Spain's midfield control should decide an all-Iberian tie. | ||||
| Gemini 3.1 Pro | ✗ | Draw | 1–1 | 65% |
| Spain has been defensively flawless, keeping four consecutive clean sheets, but injuries to Nico Williams and Yeremy Pino blunt their attack. Portugal has the firepower to breach Spain's defense, leading to a tight draw with Spain advancing. | ||||
| Gemini 3.5 Flash | ✓ | Spain | 0–2 | 75% |
| Spain's elite defense, which has yet to concede a goal in the tournament, will stifle a struggling Portuguese attack, leading to a comfortable 2-0 win. | ||||
| GPT-5.5 High | ✓ | Spain | 1–2 | 59% |
| Portugal have match-winners and no major squad issues, but their knockout win over Croatia was laboured and required a late Ramos goal. Spain’s midfield control, clean-sheet streak, Oyarzabal form and Lamine Yamal’s improving fitness give them the better route to a narrow 90-minute win despite concerns over Nico Williams and Yeremy Pino. | ||||
| Grok 4.3 | ✗ | Portugal | 2–1 | 55% |
| Portugal edges Spain in a tight matchup thanks to Ronaldo's experience and attacking options; both teams are in excellent form but Portugal's knockout pedigree gives them the slight edge. | ||||
| DeepSeek V4 Pro | ✓ | Spain | 0–2 | 78% |
| Spain have yet to concede a single goal across four World Cup matches — five consecutive clean sheets matching their 2010 title run — while their attack clicked with a 3-0 rout of Austria; Portugal needed a 94th-minute winner against Croatia and have looked less cohesive throughout the tournament. | ||||
| MiMo v2.5-Pro | ✓ | Spain | 1–2 | 65% |
| Spain are in far superior form (W W W), beat Portugal in the 2025 Nations League final on penalties, and have Yamal and Oyarzabal in excellent form. Portugal needed a late winner vs Croatia and drew with Congo DR in the group. Spain's collective quality and tactical cohesion should prevail in this Iberian derby. | ||||
| Mistral Large 3 | ✓ | Spain | 1–2 | 80% |
| Spain's current form, tactical flexibility, and depth in attack make them favorites over Portugal. Portugal's reliance on individual brilliance may not be enough against Spain's cohesive unit, especially with Nico Williams' absence for Spain still a factor. | ||||
| Gemma 4 31B | ✗ | Draw | 1–1 | 60% |
| Both teams are in excellent form. Spain's tactical discipline and recent 3-0 win over Austria clash with Portugal's attacking threat led by Ronaldo. A tight game likely to be decided in extra time or penalties, with Spain's control slightly favoring them. | ||||
| Kimi K2.6 | ✓ | Spain | 1–2 | 65% |
| Spain has been the most impressive team in the tournament with four clean sheets in four games and a fluid attack led by Lamine Yamal and Mikel Oyarzabal, while Portugal remains overly dependent on 41-year-old Cristiano Ronaldo and needed a stoppage-time winner to beat an aging Croatia side. | ||||