Google's Best-AI-Model Odds Fall to 36% Despite Gemini 4 Argon Launch

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Google's Chances of Having the Best AI Model at the End of 2026 Fall to 36%

Google's chances of having the best AI model at the end of 2026 fell from 45% to 36% over the three days ending Oct. 25, 2026, a drop of roughly 9 percentage points, in Polymarket's "Which company has best AI model end of 2026?" market. That came even though Gemini 4 Argon is now available worldwide. Google said in an Oct. 13 blog post that Argon is live through the API in AI Studio and the Gemini platform, in Antigravity for Google AI Ultra subscribers, and in the Gemini app and AI Mode for Ultra and Pro subscribers.

The independent ranking that cuts against Google: the Artificial Analysis Intelligence Index, as reported by CNBC, places Gemini 4 behind only Anthropic's Claude Opus 5.5 and Claude Sonnet 5.5.

Live market odds

2 venues

Which company has best AI model end of 2026?

Each outcome's chance, from what traders are paying right now on Polymarket and Predict.fun.

GoogleIn this story

75%

PolymarketBest price1.32x76¢Predict.fun1.28x77.9¢

Anthropic

19%

PolymarketBest price5.26x19¢Predict.fun4.83x20.7¢

Z.ai

5%

PolymarketBest price500.00x0.2¢Predict.fun10.10x9.9¢

Moonshot

5%

PolymarketBest price500.00x0.2¢Predict.fun11.24x8.9¢

Compare every venueCents per $1 payout, before fees

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Why Gemini 4 Argon's Launch Didn't Lift Google: Rankings Disagree

Google's own case for Argon is strong on paper. The company claims the #1 spot on the Vals Index at 68.9% and says Argon leads on several agentic coding, legal, finance and long-context benchmarks, outperforming OpenAI's GPT-6 Astra and Anthropic's Claude Opus 5.5 on many of them. Google also concedes Argon trails on some tests, including Terminal-bench, FrontierSWE and Terminal-Bench Science. BenchLeader, in an Oct. 25 provider ranking, scores Argon at 70.7 on its index and ranks Google #2 of 91 providers by best model.

The independent picture is less favorable. CNBC's Oct. 2 coverage, which followed the Sept. 30 announcement when Argon was limited to cybersecurity partners and US government pre-release evaluation, cited the Artificial Analysis placement behind two Claude models. Analysts quoted there called Google competitive again but not clearly the leader, and described it as late to coding and cybersecurity. Argon is Google's first major frontier release since Gemini 3 in late 2025, The Verge reported.

Our reading, which is interpretation and not sourced fact: traders are pricing Google as a credible challenger rather than the leader. The sources show the conflicting rankings but do not establish what drove individual trades, and the decline arrived roughly nine days after global availability rather than on launch day.

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What Could Confirm or Reverse Google's Drop

Confirmation would come if Artificial Analysis and other independent leaderboards keep ranking Argon below Claude Opus 5.5 and Sonnet 5.5 as broader testing of the generally available model accumulates. A reversal would need an independent ranking to move Argon into first place, or outside evaluators to corroborate Google's Vals Index lead. Pricing could also matter for adoption: Argon's introductory rate of $2/$10 per million input/output tokens rises to $4/$20 after Nov. 30, 2026.

No date has been announced for the next Artificial Analysis update or for rival frontier releases before the market resolves on Dec. 31, 2026. Live prices for every company sit on the best AI model at end of 2026 market page.