Anthropic’s June 9 release of Claude Fable 5 has propelled its models—Fable 5, Opus 4.8, and Mythos variants—to the top of most June 2026 leaderboards, including composite quality indexes and agentic coding benchmarks, establishing a clear edge over competitors. OpenAI’s GPT-5.5 Pro and Thinking variants sit immediately behind on reasoning and general tasks, while Google’s Gemini 3.1 Pro and 3.5 Flash lead select math or efficiency metrics but trail overall. With only days remaining until June 30 resolution and no major launches announced, trader sentiment centers on whether incremental updates or benchmark shifts can unseat Anthropic’s current lead before the cutoff.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert$1,711,813 Vol.

OpenAI
Nein

DeepSeek
Nein

xAI
Nein

Anthropic
Ja

Meta
Nein

Mistral
Nein

Alibaba
Nein

Nvidia
Nein

Baidu
Nein

Z.ai
Nein

Meituan
Nein
$1,711,813 Vol.

OpenAI
Nein

DeepSeek
Nein

xAI
Nein

Anthropic
Ja

Meta
Nein

Mistral
Nein

Alibaba
Nein

Nvidia
Nein

Baidu
Nein

Z.ai
Nein

Meituan
Nein
Results from the "Arena Score" section on the Leaderboard tab of https://lmarena.ai/ with the style control unchecked will be used to resolve this market.
If a listed model ties for #1 Arena score, 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 becomes unavailable, the market will remain open until it is accessible again. If it becomes permanently unavailable, resolution will be based on another credible source.
Markt eröffnet: Dec 22, 2025, 5:28 PM ET
Resolver
0x65070BE91...Vorgeschlagenes Ergebnis: Nein
Kein Einspruch
Endgültiges Ergebnis: Nein
Results from the "Arena Score" section on the Leaderboard tab of https://lmarena.ai/ with the style control unchecked will be used to resolve this market.
If a listed model ties for #1 Arena score, 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 becomes unavailable, the market will remain open until it is accessible again. If it becomes permanently unavailable, resolution will be based on another credible source.
Resolver
0x65070BE91...Vorgeschlagenes Ergebnis: Nein
Kein Einspruch
Endgültiges Ergebnis: Nein
Anthropic’s June 9 release of Claude Fable 5 has propelled its models—Fable 5, Opus 4.8, and Mythos variants—to the top of most June 2026 leaderboards, including composite quality indexes and agentic coding benchmarks, establishing a clear edge over competitors. OpenAI’s GPT-5.5 Pro and Thinking variants sit immediately behind on reasoning and general tasks, while Google’s Gemini 3.1 Pro and 3.5 Flash lead select math or efficiency metrics but trail overall. With only days remaining until June 30 resolution and no major launches announced, trader sentiment centers on whether incremental updates or benchmark shifts can unseat Anthropic’s current lead before the cutoff.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert


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