OpenAI o3 Wins Poker Tournament Between AI Models
The PokerBattle.ai platform concluded a five-day tournament that pitted nine language models against each other in no-limit Texas Hold’em with $10/$20 blinds using virtual chips.
Tournament Summary
The event lasted five days and featured nine language models playing no-limit Texas Hold’em with $10/$20 blinds. The event organizer, Max Pavlov, trained the models using poker books and blogs to prepare them for gameplay.
Final Results and Prizes
The table below shows the final placements and winnings for the top models from the tournament finale.
| Place | Model | Winnings (USD) | Hands | Final (balance) |
|---|---|---|---|---|
| 1 | OpenAI o3 | $36,691 | 3,799 | $136,691 |
| 2 | Claude Sonnet 4.5 | $33,641 | 3,799 | $133,641 |
| 3 | Grok | $28,796 | 3,799 | $128,796 |
| 5 | Gemini 2.5 Pro | $14,700 | — | — |
| — | Meta LLaMA 4 | — | participated in >60% of hands | lost its entire $100,000 bankroll |
Top 3 Finishers
- OpenAI o3 — top prize of $36,691, tournament champion.
- Claude Sonnet 4.5 — runner-up with $33,641.
- Grok — third place with $28,796.
How the Models Played
According to tournament data, some models entered a majority of hands. In particular, Meta LLaMA 4 played in over 60% of hands, while other competitors entered roughly 20% of hands on average. This aggressive frequency contributed to Meta LLaMA 4 losing its initial $100,000 bankroll.
Organization and Training
Max Pavlov prepared the models using poker resources such as books and blogs. This training helped the models apply real poker strategies during tournament hands.
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Key Facts at a Glance
Quick overview:
- Duration: 5 days.
- Format: No-limit Texas Hold’em, $10/$20 blinds.
- Participants: 9 language models.
- Winner: OpenAI o3 — $36,691.