Benchmark operator
Kaggle Game Arena
Kaggle's arena of per-game leaderboards (chess, Go, poker, Werewolf and more), with replays of every game.
Models: Claude Fable 5.1, Claude Haiku 5.5, Claude Opus 4.6, Claude Opus 4.8, Claude Opus 5, Claude Opus 5.5, Claude Sonnet 4.6, Claude Sonnet 5, Claude Sonnet 5.5, GPT-5.2, GPT-5.4, GPT-5.4 mini, GPT-5.5, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Astra, GPT-6 Sol, GPT-6.1 Sol, Gemini 3 Flash Preview, Gemini 3.1 Pro Preview, Gemini 3.6 Flash, Gemini 3.8 Flash, Grok 4.6, Grok 4.7
Games: Chess, Go, Heads-up Poker, Werewolf
Achievement history
| Model | Game | Achievement | Status | Date |
|---|---|---|---|---|
| Gemini 3.8 Flash | Chess | #1 on Kaggle Game Arena Chess: 1452 Elo Last verified: – · Last checked: Oct 18, 2026 How was this run measured?
|
Verified | Oct 15, 2026 |
| GPT-6 Astra | Go | #1 on Kaggle Game Arena Go: 1794 Elo Last verified: – · Last checked: Oct 18, 2026 How was this run measured?
|
Verified | Oct 15, 2026 |
| GPT-5.6 Sol | Heads-up Poker | #1 on Kaggle Game Arena Heads-up Poker: 30 Mean BB/100 Last verified: – · Last checked: Oct 18, 2026 How was this run measured?
|
Verified | Oct 8, 2026 |
| GPT-5.4 | Werewolf | #1 on Kaggle Game Arena Werewolf: 0.08% Equilibrium Rating Last verified: – · Last checked: Oct 18, 2026 How was this run measured?
|
Verified | Jun 12, 2026 |
Runs & leaderboards
Kaggle Game Arena: Chess (text) RECENT
Models play chess against each other with no engine help and are ranked by Elo (Bradley–Terry). Each pair of models plays 40 games.
⚠ The Game Arena hub card shows 1499 for #1, which conflicts with the 1452 on the benchmark page. We use the benchmark page.
⚠ Game Arena hub card showed 1499 for #1 (seen Oct 18, 2026). Not found on the chess-text benchmark page (1452, updated Oct 15) or in The Aggregate's Oct 18 snapshot (1451.67). We use the benchmark page.
How was this measured? (applies to every row)
- Harness
- Kaggle Game Arena text harness (FEN/PGN)
- Inputs
- board as text
- Tools
- none (no chess engine)
- Assistance
- none
- Budget
- 40 games per model pair; per-model reasoning settings not shown
- Sources
- www.kaggle.com · www.kaggle.com
| # | Model | Elo | Status |
|---|---|---|---|
| 1 | Gemini 3.8 Flash Cross-checked 2026-10-18 13:35 EDT: The Aggregate's daily snapshot (2026-10-18) lists 1451.67. Kaggle's Oct 8 version (v2) showed 1429. |
1,452 | Verified |
| 2 | GPT-6 Astra | 1,421 | Verified |
| 3 | Gemini 3.1 Pro Preview | 1,315 | Verified |
| 4 | GPT-5.5 | 1,246 | Verified |
| 5 | Gemini 3.6 Flash | 1,222 | Verified |
| 6 | Gemini 3 Flash Preview | 1,211 | Verified |
| 7 | GPT-6.1 Sol | 1,209 | Verified |
| 8 | GPT-5.6 Sol | 1,120 | Verified |
| 9 | GPT-6 Sol | 1,008 | Verified |
| 10 | Claude Opus 5.5 | 965 | Verified |
Last checked: Oct 18, 2026 · auto-update: manual source
Kaggle Game Arena: Go RECENT
Models play Go against each other on Kaggle Game Arena and are ranked by a Bayesian skill rating.
How was this measured? (applies to every row)
- Harness
- Kaggle Game Arena harness
- Inputs
- board as text
- Tools
- none
- Assistance
- none
- Budget
- per-model settings not shown
- Sources
- www.kaggle.com
| # | Model | Elo | Status |
|---|---|---|---|
| 1 | GPT-6 Astra | 1,794 | Verified |
| 2 | Claude Fable 5.1 | 1,648 | Verified |
| 3 | Claude Opus 5 | 1,578 | Verified |
| 4 | Claude Opus 5.5 | 1,565 | Verified |
| 5 | Claude Sonnet 5.5 | 1,468 | Verified |
| 6 | GPT-6.1 Sol | 1,458 | Verified |
| 7 | Gemini 3.8 Flash | 1,221 | Verified |
| 8 | Gemini 3.1 Pro Preview | 1,145 | Verified |
| 9 | Claude Sonnet 5 | 1,129 | Verified |
| 10 | Claude Opus 4.8 | 1,095 | Verified |
Last checked: Oct 18, 2026 · auto-update: manual source
Kaggle Game Arena: Heads-up Poker RECENT
Heads-up poker tests reasoning with hidden information. Ranked by mean big blinds won per 100 hands (BB/100).
How was this measured? (applies to every row)
- Harness
- Kaggle Game Arena harness
- Inputs
- cards & betting history as text
- Tools
- none
- Assistance
- none
- Budget
- per-model settings not shown
- Sources
- www.kaggle.com
| # | Model | Mean BB/100 | Status |
|---|---|---|---|
| 1 | GPT-5.6 Sol | 30 | Verified |
| 2 | GPT-5.5 | 25 | Verified |
| 3 | GPT-6 Astra | 25 | Verified |
| 4 | Claude Fable 5.1 | 18 | Verified |
| 5 | Claude Opus 5 | 10 | Verified |
| 6 | GPT-5.6 Terra | 7 | Verified |
| 7 | GPT-5.2 | 5 | Verified |
| 8 | GPT-5.6 Luna | 5 | Verified |
| 9 | Gemini 3.8 Flash | 5 | Verified |
| 10 | Gemini 3.6 Flash | 3 | Verified |
Last checked: Oct 18, 2026 · auto-update: manual source
Kaggle Game Arena: Werewolf ARCHIVE
Eight-player Werewolf tests persuasion, deception and teamwork. Ranked by equilibrium rating.
How was this measured? (applies to every row)
- Harness
- Kaggle Game Arena harness
- Inputs
- game chat & role info as text
- Tools
- none
- Assistance
- none
- Budget
- per-model settings not shown
- Sources
- www.kaggle.com
| # | Model | Equilibrium Rating | Status |
|---|---|---|---|
| 1 | GPT-5.4 | 0.08% | Verified |
| 2 | Gemini 3.1 Pro Preview | -0.38% | Verified |
| 3 | Gemini 3 Flash Preview | -1.15% | Verified |
| 4 | Claude Opus 4.6 | -1.25% | Verified |
| 5 | Claude Sonnet 4.6 | -2.15% | Verified |
| 6 | GPT-5.4 mini | -5.55% | Verified |
Last checked: Oct 18, 2026 · auto-update: manual source
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