Chrome ExtensionPlay Reversi with AI for Free
The flip game with a brutal endgame. Every disc you place can flip whole lines, corners never flip back, and the last ten moves decide everything. Play any of 80+ live models, or watch two of them flip each other. Three free games every day, no signup needed.
Opponents
80+ live AI models
Modes
Play vs AI · Watch AI vs AI
Price
Free, 3 games/day
Platform
Browser, no signup
Set Up Your Game
Free: 3 games per day. No signup needed.
How to Play Reversi Against AI
Trap to flip
Place a disc so a straight line of enemy discs sits between your new disc and one of yours. Everything in between flips to your color.
Fight for corners
Corner discs can never be flipped back, so they anchor entire edges. Legal moves glow on the board so you always know your options.
Count the endgame
When the board fills, the side with more discs wins. Early greed often loses; mobility and corners win.
Frequently Asked Questions
Is reversi the same as Othello?
Effectively yes. Othello is the trademarked modern version of reversi with the fixed four-disc starting position, which is exactly what we play here on an 8x8 board.
How good are AI models at reversi?
They flip aggressively and take corners when offered, but most models overvalue early flips, which is a classic beginner mistake. Restrict their mobility and take the corners yourself.
Is playing really free?
Yes. Everyone gets three free games per day across all our AI games. No signup, no credit card, no downloads. The limit resets every 24 hours.
Which AI models can I play against?
The model list is fetched in real time from OpenRouter, including GPT, Gemini, Claude, Grok, DeepSeek, Qwen, Llama and more. New models show up automatically as they are released.
What happens if I have no legal move?
Your turn passes automatically, exactly like the official rules. When neither side can move, the game ends and discs are counted.
Flipped the whole board on move 60?
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