Grey Cup Odds 2025: Argonauts Remain Favorites Despite Week 1 Loss

The Argos are favorites to repeat as CFL champions, even following an 18-point Week 1 loss to the Alouettes.

Rob Paul

Last updated: June 9, 2025 4:20 PM EDT • 4 min read

Grey Cup Odds 2025 — Pictured: Toronto Argonauts quarterback Nick Arbuckle drops back against the Montreal Alouettes. Photo by Eric Bolte via Imagn Images.

The CFL season has finally begun, and despite a 28-10 loss to the Montreal Alouettes in Week 1, the defending champion Toronto Argonauts continue to lead the Grey Cup odds at our best sportsbooks in Canada.

Montreal's win propelled it to second on the oddsboard past the Winnipeg Blue Bombers, who were resting during a bye. However, the BC Lions could be the team to watch. Nathan Rourke's flashy play in Week 1 has made him the CFL Most Outstanding Player odds favorite following a 31-14 victory over the Edmonton Elks.

📊 2025 Grey Cup odds

Our 2025 Grey Cup odds update in real time based on the odds from our best sports betting apps.

🤖 Grey Cup AI prediction

For entertainment purposes, we asked ChatGPT, a popular large language model chatbot, to analyze historical trends and CFL stats before predicting the winner of this year's Grey Cup. Our AI prediction projects the Montreal Alouettes to win the Grey Cup.

🖥️ AI Grey Cup prediction: Montreal Alouettes (+500)

Grey Cup odds — Pictured: Montreal Alouettes wide receiver Tyson Philpot celebrates with teammate wide receiver Charleston Rambo after scoring a touchdown against the Toronto Argonauts. Photo by Eric Bolte via Imagn Images.

🏈 Opening statement: The Alouettes kicked off the season with a decisive 28–10 win over the defending champions in Week 1, highlighting their dominance on both sides of the ball and setting the tone for the season
🏈 Offensive efficiency: New QB Davis Alexander looked sharp while showcasing his dual-threat ability and taking advantage of Montreal's loaded wide receiver group, including Canadian star Tyson Philpot, against the Argos
🏈 Defensive consistency: Montreal’s defense has been one of the CFL’s most reliable units dating back to last season, combining a strong pass rush with disciplined coverage that consistently limits big plays and forces turnovers

🤔 Betting takeaway: ChatGPT's AI prediction would mean the Alouettes (+500) winning the Grey Cup. ChatGPT is a large language model and not specifically designed for predicting sporting events, so these projections should be viewed as entertainment or a supplementary data point for your CFL championship betting research.

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🎯 AI long shot Grey Cup prediction

🪓 Ottawa Redblacks (+1000)

🏈 Team identity taking shape: After years of roster turnover, Ottawa is finally building a cohesive identity centered on physical defense, efficient quarterback play, and improved discipline, setting a strong foundation for sustained competitiveness
🏈 Balanced roster: The team boasts a well-rounded offseason rebuild after investing in both offensive weapons (receiver Eugene Lewis) and a steadier defense to address key weaknesses
🏈 Coaching consistency: Returning coach Bob Dyce has Ottawa poised for improved execution and strategic discipline - a crucial factor in close games as the season progresses

Each product featured on our website has been meticulously researched and selected by our team of experts. If you sign up through our links, we may get a commission.

👑 Past Grey Cup winners

Year	Team	Runner-up
2024	Argonauts	Blue Bombers
2023	Alouettes	Blue Bombers
2022	Argonauts	Blue Bombers
2021	Blue Bombers	Tiger-Cats
2020	Cancelled
2019	Blue Bombers	Tiger-Cats
2018	Stampeders	Redblacks
2017	Argonauts	Stampeders
2016	Redblacks	Stampeders
2015	Elks	Redblacks
2014	Stampeders	Tiger-Cats

❓ Grey Cup FAQs

Who is the Grey Cup favorite?

The Toronto Argonauts are the favorites by the 2025 Grey Cup odds, with odds of +425 representing an implied win probability of 19.05%, according to our odds calculator.

Who won the Grey Cup last year?

The Montreal Alouettes defeated the Winnipeg Blue Bombers, 28-24, in the 110th Grey Cup at Tim Hortons Field in Hamilton, Ont. It was Montreal's first Grey Cup victory since the 2010 season.

When will the 2025 Grey Cup be played?

The 112th Grey Cup will be played Sunday, Nov. 16, 2025.

Where will the 2025 Grey Cup be played?

The 112th Grey Cup will be played at Princess Auto Stadium in Winnipeg, Manitoba.

How to watch the 2025 Grey Cup?

TSN/RDS and CFL+ will broadcast the 112th Grey Cup.

🇨🇦 CFL betting odds pages

Grey Cup Odds

Most Outstanding Player Odds

💵 Best CFL betting sites:

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Written By:
Rob Paul

Rob is a Publishing Editor at Sportsbook Review. He’s been with the team since early 2024, with this being his first full-time role in the sports betting industry. Before joining SportsbookReview.com, he contributed to various sports outlets, including FanSided and Pro Football Network. During that period, he spent five years working full-time as a local community journalist, after attending Durham College for journalism and Wilfrid Laurier University for history. He previously hosted an NFL draft and college football-focused podcast where he had the opportunity to interact with future NFL players such as Maxx Crosby and Quinn Meinerz. Rob has spent multiple years working as a freelance podcast producer for numerous sports-related podcasts while making guest appearances on several college football shows. He’s also made guest appearances on SportsTalk Mississippi on several occasions to talk all things NFL draft. Rob values the way sports betting acts as a catalyst for telling stories and growing interest in certain sports, particularly FCS football, WNBA, and mid-major college basketball. He’s always been drawn to the more obscure teams and conferences in major college sports, but most of all, Rob loves using stats to find the best player props to back.