Claude Fable 5.1-max leads with 93.5% implied probability due to its September 1, 2026 release, which delivered top scores on the Artificial Analysis Intelligence Index at 66—surpassing Claude Opus 5 at 63—along with gains on HLE (59.1%), Terminal-Bench v2.1 (91.4%), and agentic benchmarks like GDPval-AA v2. The model’s 1M context, adaptive reasoning at max effort, and strong results in long-horizon coding and knowledge work have solidified trader consensus around Anthropic’s latest Mythos-class offering. Realistic challenges include an unexpected competitive release from OpenAI or Google that closes the gap on frontier benchmarks before resolution, or documented issues with the model’s safety fallback routing that materially affect real-world performance.
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 September 14?
claude-fable-5.1-max 94%
Other 3.3%
claude-opus-5-max <1%
claude-opus-5-high <1%
$35,695 Vol.
$35,695 Vol.
claude-fable-5.1-max
94%
Other
3%
claude-opus-5-max
1%
claude-opus-5-high
<1%
claude-opus-4-6-high
<1%
claude-fable-5.1-max 94%
Other 3.3%
claude-opus-5-max <1%
claude-opus-5-high <1%
$35,695 Vol.
$35,695 Vol.
claude-fable-5.1-max
94%
Other
3%
claude-opus-5-max
1%
claude-opus-5-high
<1%
claude-opus-4-6-high
<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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 “-high” and “-max”) will be used as a final tiebreaker (e.g., if two models remain tied, “claude-opus-5-high” would be ranked ahead of “claude-opus-5-max”). 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: Sep 3, 2026, 10:16 AM 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 “-high” and “-max”) will be used as a final tiebreaker (e.g., if two models remain tied, “claude-opus-5-high” would be ranked ahead of “claude-opus-5-max”). 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...Claude Fable 5.1-max leads with 93.5% implied probability due to its September 1, 2026 release, which delivered top scores on the Artificial Analysis Intelligence Index at 66—surpassing Claude Opus 5 at 63—along with gains on HLE (59.1%), Terminal-Bench v2.1 (91.4%), and agentic benchmarks like GDPval-AA v2. The model’s 1M context, adaptive reasoning at max effort, and strong results in long-horizon coding and knowledge work have solidified trader consensus around Anthropic’s latest Mythos-class offering. Realistic challenges include an unexpected competitive release from OpenAI or Google that closes the gap on frontier benchmarks before resolution, or documented issues with the model’s safety fallback routing that materially affect real-world performance.
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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