Anthropic’s recent Claude Fable 5 and Opus 5 releases in June and July 2026 have driven current Arena leaderboard leadership, with top models posting Elo-style scores of 1506–1531 on lmarena.ai through iterative reasoning gains and agentic refinements. OpenAI’s GPT-5.6 series sits just behind at roughly 1509, while xAI and Meta trail slightly in the same narrow band. Trader consensus reflects the slowdown in capability jumps since early 2026, favoring gradual single-digit monthly gains from fine-tunes and voting volume over sudden leaps. Key catalysts ahead include expected frontier drops from OpenAI, Google, and Anthropic plus any “thinking” mode or post-training updates before year-end that could push the ceiling higher.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour$141,736 Vol.
↑ 1520
61%
↑ 1530
29%
↑ 1540
17%
↑ 1550
12%
↑ 1600
10%
↑ 1650
8%
↑ 1700
3%
$141,736 Vol.
↑ 1520
61%
↑ 1530
29%
↑ 1540
17%
↑ 1550
12%
↑ 1600
10%
↑ 1650
8%
↑ 1700
3%
Results from the 'Score' section on the 'Text Arena' Leaderboard tab (https://lmarena.ai/leaderboard/text), with the style control unchecked, will be used to resolve this market.
The resolution source is the Chatbot Arena LLM Leaderboard (https://lmarena.ai/). If this source is temporarily unavailable, the market remains open until it is accessible again; if permanently unavailable, this market will resolve to "No".
Marché ouvert : Jul 23, 2026, 5:38 PM ET
Resolver
0x65070BE91...Results from the 'Score' section on the 'Text Arena' Leaderboard tab (https://lmarena.ai/leaderboard/text), with the style control unchecked, will be used to resolve this market.
The resolution source is the Chatbot Arena LLM Leaderboard (https://lmarena.ai/). If this source is temporarily unavailable, the market remains open until it is accessible again; if permanently unavailable, this market will resolve to "No".
Resolver
0x65070BE91...Anthropic’s recent Claude Fable 5 and Opus 5 releases in June and July 2026 have driven current Arena leaderboard leadership, with top models posting Elo-style scores of 1506–1531 on lmarena.ai through iterative reasoning gains and agentic refinements. OpenAI’s GPT-5.6 series sits just behind at roughly 1509, while xAI and Meta trail slightly in the same narrow band. Trader consensus reflects the slowdown in capability jumps since early 2026, favoring gradual single-digit monthly gains from fine-tunes and voting volume over sudden leaps. Key catalysts ahead include expected frontier drops from OpenAI, Google, and Anthropic plus any “thinking” mode or post-training updates before year-end that could push the ceiling higher.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour



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