Anthropic’s early September 2026 releases of Claude Fable 5.1 and related Opus 5 models have driven current trader consensus, topping multiple independent leaderboards including BenchAlign, Artificial Analysis Intelligence Index, and SWE-bench variants on coding and agentic tasks. OpenAI’s GPT-6 Astra, shipped September 3, ties or trails closely on re-based indices while Google’s Gemini 3.8 Flash series emphasizes speed and cost efficiency rather than raw capability leadership. xAI’s Grok 4.6 and several Chinese models remain competitive on specific benchmarks but lag overall. With frequent model updates expected through year-end, traders watch for further capability jumps, benchmark revisions, and any regulatory shifts that could influence which lab holds the frontier position by December 31.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$155,238 Vol.
30%
OpenAI
28%
xAI
13%
Z.ai
11%
Meta
11%
Moonshot
8%
Alibaba
7%
Baidu
7%
DeepSeek
6%
Microsoft
5%
Amazon
3%
Mistral
3%
Meituan
3%
ByteDance
1%
$155,238 Vol.
30%
OpenAI
28%
xAI
13%
Z.ai
11%
Meta
11%
Moonshot
8%
Alibaba
7%
Baidu
7%
DeepSeek
6%
Microsoft
5%
Amazon
3%
Mistral
3%
Meituan
3%
ByteDance
1%
Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control off will be used to resolve this market.
If a listed model ties for #1 Arena rank, it will suffice to resolve this market to "Yes."
The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. 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 based on another resolution source.
Market Opened: Apr 30, 2026, 3:22 PM ET
Resolver
0x65070BE91...Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control off will be used to resolve this market.
If a listed model ties for #1 Arena rank, it will suffice to resolve this market to "Yes."
The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. 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 based on another resolution source.
Resolver
0x65070BE91...Anthropic’s early September 2026 releases of Claude Fable 5.1 and related Opus 5 models have driven current trader consensus, topping multiple independent leaderboards including BenchAlign, Artificial Analysis Intelligence Index, and SWE-bench variants on coding and agentic tasks. OpenAI’s GPT-6 Astra, shipped September 3, ties or trails closely on re-based indices while Google’s Gemini 3.8 Flash series emphasizes speed and cost efficiency rather than raw capability leadership. xAI’s Grok 4.6 and several Chinese models remain competitive on specific benchmarks but lag overall. With frequent model updates expected through year-end, traders watch for further capability jumps, benchmark revisions, and any regulatory shifts that could influence which lab holds the frontier position by December 31.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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