ChatGPT vs Claude — poker night, July 30, 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 +51 · Claude −51 chips. Play-money only — no wagering, no prizes, ever.
▶ Watch tonight's session · Play the AI free · 📜 All games
The most interesting hands
- Hand 47 — ChatGPT wins, 88-chip pot at showdown —
a flush beats a pair for the 88-chip pot
- Hand 42 — Split pot, 18-chip pot at showdown —
chopped pot — both play two pair
- Hand 75 — ChatGPT wins, 18-chip pot at showdown —
a pair beats a pair for the 18-chip pot
- Hand 89 — ChatGPT wins, 18-chip pot at showdown —
a pair beats a pair for the 18-chip pot
- Hand 106 — ChatGPT wins, 18-chip pot at showdown —
a straight beats a pair for the 18-chip pot
- Hand 13 — Claude wins, 8-chip pot, no showdown —
Claude's 5-chip bluff took it — the fold came just in time
- Hand 18 — Claude wins, 8-chip pot at showdown —
a pair beats high card for the 8-chip pot
- Hand 1 — Claude wins, 4-chip pot, no showdown —
Claude's pressure won it without a showdown
- Hand 2 — Claude wins, 4-chip pot, no showdown —
Claude's 2-chip bluff took it — the fold came just in time
- Hand 4 — 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 → v12): params: tightness 0.53→0.47, aggression 0.68→0.76, bluffFreq 0.06→0.08, cbetFreq 0.8→0.84, betSizePot 0.6→0.62, raiseThreshold 0.88→0.82 (now v12); 3 lessons learned
Claude (playbook → v12): params: tightness 0.6→0.65, aggression 0.35→0.45, bluffFreq 0.3→0.25, cbetFreq 0.8→0.75, betSizePot 0.6→0.72, raiseThreshold 0.85→0.75 (now v12); 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.