# Google, Anthropic, OpenAI lead AI intelligence index: ARK Invest > Source: > Published: 2026-10-29 13:22:48+00:00 ARK Invest’s AI and Cloud Director of Research has highlighted recent updates from Artificial Analysis, which evaluated global AI models based on intelligence and cost per task. [Google](https://cryptobriefing.com/markets/alphabet/), [Anthropic](https://cryptobriefing.com/markets/anthropic/), and [OpenAI](https://cryptobriefing.com/markets/openai/) have been identified as the leading companies in this space. Google’s Gemini 4 Carbon, Anthropic’s Claude Opus 5.5, and OpenAI’s GPT-6 Astra are at the forefront, as assessed by Artificial Analysis’s Intelligence Index. These developments have sparked significant interest in the AI community. The evaluation of these AI models comes amid heightened scrutiny and interest in AI capabilities and efficiency. Google’s Gemini 4 Carbon leads the index with a score of 59, followed closely by Anthropic’s Claude Opus 5.5 and OpenAI’s GPT-6 Astra. The cost efficiency of these models varies, with OpenAI’s GPT-6 Astra noted for its lower cost per task. This analysis may influence market perceptions of these companies’ technological prowess and future potential. The AI prediction markets have reacted to these developments. The probability of Anthropic having the best AI model by the end of November 2026 is currently priced at 25% across relevant markets. This figure has seen fluctuations, reflecting market sentiment and the impact of recent evaluations. ## Key Takeaways - ARK Invest’s report suggests that Google, Anthropic, and OpenAI are leaders in AI intelligence and cost efficiency. - Anthropic’s competitive position as a frontier AI company appears consistent with increased confidence in its model’s performance. - Market pricing indicates varying expectations for Anthropic’s success by the end of November 2026. ## What to Watch Markets will be monitoring further updates from Artificial Analysis and any future announcements from the leading AI companies. Any new benchmarks or releases from Google, Anthropic, or OpenAI could impact market perceptions. Developments in AI model performance and cost efficiency will be crucial in shaping the outcomes of these prediction markets.