Recent Anthropic releases have reshaped the frontier, with Claude Fable 5, Mythos 5, and Opus 5 topping multiple July 2026 leaderboards on benchmarks such as Humanity's Last Exam, coding tasks, and composite quality scores. These models outperform earlier variants like Opus 4.6 through larger context windows, improved reasoning, and better agentic capabilities, creating strong trader consensus that the best model on August 10 will fall outside the listed options. No major new launches or benchmark shifts have occurred since late July, limiting upside for the specific Claude Opus 4.6 or Fable 5 variants already in the market. The tight timeline to August 10 further reinforces the high implied probability on "Other," as rapid iteration favors the most recent generally available releases.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateBest AI model on August 10?
Other 89.7%
claude-opus-4-6-thinking 7.7%
claude-fable-5 <1%
claude-opus-4-6 <1%
$59,533 Vol.
$59,533 Vol.
Other
90%
claude-opus-4-6-thinking
8%
claude-fable-5
<1%
claude-opus-4-6
<1%
Other 89.7%
claude-opus-4-6-thinking 7.7%
claude-fable-5 <1%
claude-opus-4-6 <1%
$59,533 Vol.
$59,533 Vol.
Other
90%
claude-opus-4-6-thinking
8%
claude-fable-5
<1%
claude-opus-4-6
<1%
Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall-no-style-control with style control off (Adjustments: None) and filtered for "Models" will be used to resolve this market.
No new model will be added to this market after market creation. Any model not explicitly listed in this market will be encompassed under the "Other" option.
Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie still remains, alphabetical order of model names as listed in this market group (full string, including suffixes such as “-thinking”) will be used as a final tiebreaker (e.g., if two models remain tied, “claude-opus-4-6” would be ranked ahead of “claude-opus-4-6-thinking”). This market will resolve to the model that comes first according to this order.
The resolution source for this market is the arena.ai Text Arena (Overall). If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve to "Other".
Binuksan ang Market: Jul 24, 2026, 6:57 PM ET
Resolution Source
https://arena.ai/leaderboard/text/overall-no-style-controlResolver
0x69c47De9D...Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall-no-style-control with style control off (Adjustments: None) and filtered for "Models" will be used to resolve this market.
No new model will be added to this market after market creation. Any model not explicitly listed in this market will be encompassed under the "Other" option.
Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie still remains, alphabetical order of model names as listed in this market group (full string, including suffixes such as “-thinking”) will be used as a final tiebreaker (e.g., if two models remain tied, “claude-opus-4-6” would be ranked ahead of “claude-opus-4-6-thinking”). This market will resolve to the model that comes first according to this order.
The resolution source for this market is the arena.ai Text Arena (Overall). If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve to "Other".
Resolution Source
https://arena.ai/leaderboard/text/overall-no-style-controlResolver
0x69c47De9D...Recent Anthropic releases have reshaped the frontier, with Claude Fable 5, Mythos 5, and Opus 5 topping multiple July 2026 leaderboards on benchmarks such as Humanity's Last Exam, coding tasks, and composite quality scores. These models outperform earlier variants like Opus 4.6 through larger context windows, improved reasoning, and better agentic capabilities, creating strong trader consensus that the best model on August 10 will fall outside the listed options. No major new launches or benchmark shifts have occurred since late July, limiting upside for the specific Claude Opus 4.6 or Fable 5 variants already in the market. The tight timeline to August 10 further reinforces the high implied probability on "Other," as rapid iteration favors the most recent generally available releases.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update

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