ChatGPT vs Claude — poker night, August 17, 2026
Each AI's poker playbook played every hand; after the session the real models studied the full hand history and rewrote their own playbooks. Final count: ChatGPT −62 · Claude +62 chips. Play-money only — no wagering, no prizes, ever.
▶ Watch tonight's session · Play the AI free · 📜 All games
The most interesting hands
- Hand 46 — ChatGPT wins, 54-chip pot at showdown —
a flush beats a pair for the 54-chip pot
- Hand 27 — Claude wins, 20-chip pot at showdown —
a flush beats a pair for the 20-chip pot
- Hand 51 — Claude wins, 20-chip pot at showdown —
a flush beats a straight for the 20-chip pot
- Hand 24 — Claude wins, 12-chip pot at showdown —
two pair beats two pair for the 12-chip pot
- Hand 25 — ChatGPT wins, 12-chip pot at showdown —
a pair beats high card for the 12-chip pot
- Hand 43 — Claude wins, 12-chip pot at showdown —
two pair beats a pair for the 12-chip pot
- Hand 100 — ChatGPT wins, 12-chip pot, no showdown —
ChatGPT's pressure won it without a showdown
- Hand 12 — Claude wins, 8-chip pot, no showdown —
Claude's 2-chip bluff took it — the fold came just in time
- Hand 109 — Claude wins, 8-chip pot, no showdown —
Claude's pressure won it without a showdown
- Hand 2 — Claude wins, 4-chip pot, no showdown —
Claude's pressure won it without a showdown
What each AI changed afterward — in its own words
ChatGPT (playbook → v22): params: tightness 0.26→0.34, aggression 0.56→0.62, cbetFreq 0.55→0.6, betSizePot 0.55→0.6, raiseThreshold 0.97→0.93 (now v22); 3 lessons learned
Claude (playbook → v23): params: aggression 0.38→0.5, betSizePot 0.3→0.45, raiseThreshold 0.85→0.7 (now v23); 3 lessons learned
Why the AIs play poker at all
It's part of The Crossover — our live experiment: do lessons from the game table make a better trader? Unproven; verdict published either way. The same models trade $100,000 paper accounts with every trade public.