We're not even into August yet, and more than $529,000 has already been wagered on Polymarket's prediction market for which company will have the best AI model by August 31.
At the time of writing, Anthropic is the overwhelming favorite with a 93% implied probability. OpenAI trails in second at 2.9%, while Google sits at just 1.9%, leaving the rest of the field with only a small share of the market.
Read on as we examine why traders are so confident in Anthropic, whether that confidence is justified, and whether OpenAI or Google could still shake up the market with a major AI release before the end of August.
Top 10 AI Models for August: Latest Polymarket Odds
While the market includes 21 companies, we've highlighted the 10 with the highest probability of having the leading AI model by the end of August, according to the latest Polymarket odds.
| Company | Odds | Share Price (BUY YES) | Total Volume Traded |
|---|---|---|---|
| Anthropic | 93% | 94¢ | ~$73,434 |
| OpenAI | 3% | 2.9¢ | ~$51,455 |
| 2% | 2.1¢ | ~$51,966 | |
| SpaceXAI | <1% | 0.5¢ | ~$56,241 |
| Meta | <1% | 0.2¢ | ~$50,274 |
| Alibaba | <1% | 0.2¢ | ~$42,680 |
| Moonshot | <1% | 0.2¢ | ~$39,259 |
| Z.ai | <1% | 0.2¢ | ~$32,050 |
| DeepSeek | <1% | 0.2¢ | ~$43,959 |
| Baidu | <1% | 0.2¢ | ~$10,026 |
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Anthropic (93% Odds | $73K Volume): Why Claude Holds a Commanding Lead
Anthropic's Claude family has emerged as the benchmark leader across several major AI evaluations, earning strong recognition for software engineering, advanced reasoning, and instruction-following capabilities. This consistent performance has helped establish Anthropic as the clear favorite in the race to have the leading AI model by the end of August.
The market's 93% implied probability reflects more than Claude's current standing. Any competing company would need to publicly release a new model and accumulate enough benchmark results to overtake Claude before the August 31 deadline. The market's confidence reflects the belief that Anthropic is well positioned to retain its lead, even with the possibility of new model releases from competing AI companies throughout August.
OpenAI (2.9% Odds | $51K Volume): The Leading Challenger
Despite being priced at just 2.9%, OpenAI remains the market's most prominent challenger to Anthropic. The relatively low implied probability reflects the belief that overtaking Claude before August 31 would require a publicly released model to quickly climb the benchmark rankings.
Even so, OpenAI continues to attract significant trading volume from participants anticipating a late-August announcement. If the company launches a new model that reaches the top of the relevant AI leaderboards before the deadline, the value of its YES contracts could increase rapidly as traders adjust to the new benchmark standings.
Google Gemini (1.9% Odds | $52K Volume): A Potential Challenger
Google's Gemini models have continued to improve across key areas, including multimodal capabilities and long-context performance. Although the market gives Google just a 1.9% chance of finishing with the leading AI model, the contract has attracted more than $52,000 in trading volume from participants expecting a late shift in the rankings.
Those backing Google are anticipating that a surprise Gemini release or significant update could quickly climb the public AI benchmarks before the August 31 deadline. While Anthropic remains the clear favorite, a strong performance from Gemini could significantly change the market if it reaches the top of the leaderboard in time.
Expert Tips for Trading the Best AI Model Prediction Market
Whether you're backing Anthropic or looking for a higher-upside contrarian position, here are three expert tips to help you approach this Polymarket prediction market.
1. Taking the Favorite: Back Anthropic at 94¢
If you believe Claude will maintain its lead through the end of August, buying YES shares on Anthropic at around $0.94 offers a potential return of roughly 7.5% if the contract resolves at $1.00.
As with any prediction market, this outcome is not guaranteed, and the value of your position could change before the market settles.
2. Target The Underdogs: OpenAI at 2.9¢ or Google at 2.1¢
Traders expecting a surprise AI release from OpenAI or Google may consider taking positions on their low-priced contracts. Because both companies currently have relatively low implied probabilities, even a small investment could generate a significant payout if either climbs to the top of the leaderboard before August 31.
3. Bet Against the Favorite: Buy NO on Anthropic at 8¢
If you believe another AI company will overtake Anthropic before the August 31 deadline, buying NO shares on Anthropic offers a higher-risk, higher-reward alternative. With NO shares trading at around $0.08, a successful outcome would return $1.00 per share if Anthropic loses the top spot, representing a potential 12.5x payout.
This strategy depends on a competing AI lab releasing a model that not only launches publicly but also earns enough benchmark results to move ahead of Claude before the market resolves.
How to Trade on The Best AI Model for August
New users can claim the Polymarket sign-up bonus by completing the registration process and funding their account. Follow these five steps to activate the offer:
- Install the official Polymarket mobile app on your iOS or Android device.
- During registration, select "I have a Referral code" and enter ACTION.
- Complete the identity verification process by signing in with your Google or Apple account and providing the required identification details.
- Choose your preferred payment method and make an initial deposit of at least $10.
- Trade the $20 bonus allocation at least once before attempting to withdraw any winnings associated with the bonus.
- If you're new to prediction markets feel free to take a look at our beginners guide to Polymarket.
Which AI Model Will Be the Best by the End of August? Final Thoughts
While Anthropic is the clear favorite heading into the end of August, the market remains open to surprises. A major release from OpenAI, Google, or another company could reshape the leaderboard and create opportunities for traders willing to back an underdog.
With more than half a million dollars already wagered on this prediction market, sentiment currently favors Anthropic. However, every benchmark update, public model release, and leaderboard change before the August 31 deadline has the potential to shift the odds, making this one of the most closely watched AI markets on Polymarket.
