ChatGPT Leads U.S. Generative AI Market at 60.4% as Rivals Perplexity, Claude Gain Ground

Image Source: First Page Sage

In the fast-paced world of generative AI chatbots, ChatGPT continues to dominate the U.S. market with a 60.4% share as of August 2025, according to a report by First Page Sage (FPS), an SEO and thought leadership marketing agency. However, the analysis points to a "splintering" market where specialized tools like Perplexity and Claude AI are gaining traction, potentially eroding the positions of general-purpose leaders like ChatGPT and Google Gemini.

Published on August 8, 2025, the FPS report evaluates LLM-based web and mobile applications for information seeking and content creation, ranking them by U.S. market share and quarterly user growth. FPS, founded in 2009, specializes in optimizing search rankings for clients and uses such reports as part of its content strategy to attract leads. Client reviews on platforms like Clutch and their own site praise its data-driven SEO results, but employee feedback on Glassdoor (3.6/5 stars from over 70 reviews) and Indeed highlights issues like poor management communication. Online discussions, such as on Reddit, warn that SEO agencies promising "top rankings" can sometimes be unreliable, though FPS itself receives mixed but generally positive client testimonials.

A key limitation: The report does not disclose its methodology, data sources, sample sizes, or error margins, making independent verification difficult. It notes that historical ChatGPT figures include Microsoft Copilot due to shared technology, but provides no further details on how shares are calculated.

Cross-Verification with Established Sources

To contextualize FPS's U.S.-focused data, comparisons with global analytics from Statcounter and Statista reveal alignments and discrepancies. Statcounter, which tracks web traffic referrals, shows ChatGPT at 82.65% worldwide in July 2025, higher than FPS's U.S. figure of 60.4% (excluding Copilot). Statista projects the global generative AI market at US$66.89 billion in 2025, with ChatGPT leading but no exact shares provided. Other sources like Index.dev estimate ChatGPT at 79.76% globally.

For Microsoft Copilot, FPS reports 14.1% in the U.S., while Statcounter indicates around 4.85-6% globally (as Bing AI/Copilot), and other estimates often bundle it with ChatGPT, suggesting about 5% worldwide. Google Gemini stands at 13.5% per FPS, compared to Statcounter's global 3-4% and G2's 2.47%, with some trends showing 13-16% in specific contexts. Perplexity is at 6.5% in FPS's U.S. data, versus Statcounter's 8.03% globally and some estimates at 11.09%. Claude AI, at 3.5% in the U.S. according to FPS, is not separately ranked in Statcounter but shows growth around 2-4% in other reports.

These variances may stem from FPS's U.S. focus versus global data, or differing metrics (e.g., user growth vs. traffic share). Overall, consensus across sources confirms ChatGPT's dominance and the rise of niches.

Key Findings from the FPS Report

Despite caveats, the report's rankings provide a snapshot of competition. By market share, ChatGPT leads at 60.4% with 7% growth, followed by Microsoft Copilot at 14.1% with 6% growth, Google Gemini at 13.5% with 8% growth, Perplexity at 6.5% with 13% growth, and Claude AI at 3.5% with 14% growth. Lower tiers include Grok at 0.6% with 6% growth, Deepseek at 0.4% with 10% growth, and others.

By growth, Claude AI leads at 14%, followed by Perplexity at 13% and Deepseek at 10%, signaling appeal for specialized tools over generalists like ChatGPT at 7%.

Historical Trends

FPS tracks trends from January 2024 to July 2025 for top players. ChatGPT (including Copilot historically) declined from 76.4% to 74.5%, with peaks at 74.9% in May 2025. Google Gemini fell from 16.2% to 13.5%. Perplexity rose from 2.7% to 6.5%. Claude AI increased from 2.1% to 3.5%. This suggests market fragmentation toward accuracy-focused options like Perplexity and business-oriented ones like Claude AI.

Industry Implications

If corroborated, these shifts could spur innovation in privacy and simplicity, as seen in lower-ranked tools like Brave Leo AI. Broader projections estimate the AI bot market at US$11 billion in 2025, growing 30% annually.

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Source: First Page Sage, Clutch, GlassDoor, Indeed, Reddit, Search Bloom, Stat Counter, Yahoo! News, Statista, Index.dev, G2, All About AI

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