Claude Opus 4.8
PSG, the five-time defending champions and back-to-back European winners, are clearly the stronger side despite a traditionally slow start and World Cup fatigue, while Rennes have quality (Lepaul, Samba) and beat them 3-1 last season at this same venue, keeping this closer than a typical mismatch.
Claude Opus 5
PSG remain by some distance the strongest squad in Ligue 1 and should win at Roazhon Park, though an opening-weekend away trip to a physical Rennes side that has historically caused them problems keeps some upset/draw risk alive.
DeepSeek V4 Pro
PSG's superior squad makes them narrow favourites, but Rennes are strong at Roazhon Park and beat PSG 3-1 in the corresponding fixture in February; an opening-day 1-1 is the single most likely scoreline despite PSG holding the overall edge.
Gemini 3.1 Pro
This opening fixture was moved to Roazhon Park due to severe pitch damage at the Parc des Princes, granting Rennes an unexpected home advantage. While Rennes defeated PSG 3-1 earlier in 2026, the Parisians' overwhelming squad quality and depth still make them favorites to edge a competitive away victory.
Gemini 3.6 Flash
Despite the venue being switched to Roazhon Park due to pitch issues in Paris, reigning champions PSG possess superior individual quality to kick off their title defense with a win. Rennes are strong on home soil, but PSG's attacking depth should prove decisive in a competitive opener.
Gemini 3.7 Flash
While Rennes often provide stiff resistance at Roazhon Park, Paris Saint-Germain's superior attacking depth and overall quality make them solid favorites on opening weekend.
Gemma 4 31B
Paris Saint-Germain maintains a significant talent advantage and historical dominance over Rennes, though Rennes is typically competitive at home in the season opener.
Muse Spark 1.2
Rennes are formidable at Roazhon Park in 2026 (one home defeat under Haise, 3-1 win over PSG in February) and benefit from the venue switch, but PSG's depth (Dembele, Doue, Kvaratskhelia) and unbeaten August/opening-away run still makes them narrow favourites for a 1-2 away win.
MiniMax M3
Opening matchday of Ligue 1 2026/27 with no form data, so the prediction rests on structural squad quality: PSG remains the league's dominant force with far greater depth and attacking talent, while Rennes is a solid mid-table side whose home advantage partially narrows the gap. A narrow PSG away win with both teams scoring reflects PSG's firepower against a Rennes outfit capable of finding the net at Roazhon Park.
Mistral Large 3
Paris Saint Germain (PSG) enters the season as the stronger side historically and is likely to field a more experienced and talented squad, giving them a slight edge. However, Rennes is a competitive home side with strong recent form against PSG, making a draw or narrow home win plausible.
Kimi K2.6
Paris Saint-Germain’s overwhelming squad quality and track record in Ligue 1 make them strong favorites, while Rennes’ home advantage should help them find the net but is unlikely to prevent a narrow away defeat.
Kimi K3
PSG remain the reigning Ligue 1 and Champions League winners with a clearly stronger squad and an excellent record in season openers and August fixtures, so they are rightful favourites even away. However, Roazhon Park is a genuine trap: Rennes beat PSG 3-1 there in February 2026, have lost only twice in league play in 2026, and PSG's unsettled summer (Ramos and Lee sold, Nuno Mendes suspended) plus Rennes missing Camara keeps the draw and home upset well live.
Nemotron 3 Ultra
PSG's superior squad depth and attacking firepower (Kvaratskhelia, Dembélé, Doué) outweigh Rennes' strong home form under Haise and their 3-1 win here last season; the venue switch to Roazhon Park and PSG's missing Mendes (suspended) narrow the gap, but the champions' August unbeaten run and 4 wins in 5 H2H meetings make them clear favourites.
GPT-5.6 Sol
Paris Saint-Germain’s substantial advantage in squad quality and attacking depth makes them clear favorites, even away from home. Rennes’ home edge and opening-round uncertainty leave a meaningful chance of a draw or narrow upset.
Qwen3.7 Plus
PSG enter as defending champions with a star-studded squad (Kvaratskhelia, Akliouche, Ferran Torres, Vitinha, Zaïre-Emery) despite missing the suspended Nuno Mendes and potentially Barcola. Rennes boast confidence from a 3-1 win over PSG at Roazhon Park last season and new coach Haise's strong home record, but critical defensive absences (Aït Boudlal, Jacquet injured; Camara suspended) leave them vulnerable against PSG's attacking depth on opening day.
Grok 4.5
PSG enter as clear favorites with superior squad depth and quality even away from home in an opening-round fixture; Rennes are competitive at Roazhon Park but historically struggle to contain PSG's attack, making a narrow away win the most probable 90-minute outcome while still allowing a realistic draw chance.
MiMo v2.5-Pro
PSG are reigning Ligue 1 and Champions League winners with a vastly superior squad despite a poor preseason (losses to Sunderland, Brentford, and Lens in the Trophée des Champions), while Rennes are strong at Roazhon Park—losing only three home league games last season and beating PSG 3-1 there in February—but lost key defender Jacquet to Liverpool and are without the suspended Camara. PSG's historical dominance in this fixture and overall quality edge should prevail, though Rennes' home resilience and Lepaul's 21-goal threat make a tight contest likely.
GLM-5.2
PSG remain the class of Ligue 1 with an unbeaten August record this decade and are already match-fit from competitive fixtures, but Rennes under Haise are formidable at Roazhon Park (only one home defeat in 2026) and beat PSG 3-1 there last season, while PSG have failed to win 4 of 6 visits to Roazhon Park this decade and may be fatigued — making this closer than a typical PSG away fixture with a real draw possibility.