ChatGPT Regains AI Web-Traffic Share as Gemini’s Surge Pauses

Similarweb’s latest reading points to a modest reversal in the battle for generative-AI web traffic: ChatGPT gained share while Google Gemini declined for a second consecutive month. The larger 12-month trend still favors Gemini, however, so the evidence supports describing this as a near-term slowdown rather than a confirmed ceiling. 3

The August 2026 traffic picture

Similarweb’s global generative-AI website-traffic data put ChatGPT at 55.5% in the latest August reading and Gemini at 25.6%. Three months earlier, ChatGPT had 52.7% and Gemini 27.8%; two months earlier, the figures were 54.2% and 26.5%, respectively. In other words, ChatGPT gained 2.8 percentage points across the three readings while Gemini lost 2.2 points. 3

The year-over-year comparison is more striking. In August 2025, ChatGPT held 73.3% of the tracked traffic and Gemini held 12.9%. By August 2026, ChatGPT’s share was down 17.8 percentage points, while Gemini’s was up 12.7 points. 3

Global generative-AI web-traffic share	August 2025	August 2026
ChatGPT	73.3%	55.5%
Google Gemini	12.9%	25.6%

These figures measure a share of tracked generative-AI website visits, not revenue, total users, model quality, or all AI activity across mobile apps and integrated products. A rise in ChatGPT’s share can therefore coincide with stable—or even growing—Gemini visits if ChatGPT grows faster or the category mix changes.

Gemini’s rise has not been erased

Gemini’s recent decline follows a much larger run-up. Its share climbed from roughly 13% to above 27% in about nine months, crossed 20% in January, and reached roughly half of ChatGPT’s traffic by April, according to the reported Similarweb series. 3

That context matters: a two-month retreat from 27.8% to 25.6% is meaningful, but it leaves Gemini at nearly twice its year-ago share. It is better read as a test of whether Google can sustain demand after a fast growth phase than as evidence that its consumer AI strategy has stalled.

How the other AI platforms compare

ChatGPT and Gemini remained the two clear leaders in the reported traffic mix. Claude was broadly stable at roughly 9.2% to 9.5% in the three latest readings after an earlier increase. DeepSeek and Grok stayed in a broadly similar 2.4% to 3.6% range, while Copilot and Perplexity were each below 2%. 3

The result is a less concentrated market than it was a year earlier, even with ChatGPT retaining a majority of the tracked web traffic.

Why Gemini may have lost ground

The available traffic data do not establish a single cause. A web-share series cannot separate the effects of product releases, competitive changes, marketing, seasonality, changing user habits, or migration between web and app experiences.

Still, the timing is consistent with a gap in broadly visible consumer catalysts after Gemini’s earlier growth. The reported analysis notes that the latest period lacked a new breakout consumer event comparable to releases associated with Gemini’s previous momentum. 3

The key distinction is between correlation and causation. It is reasonable to say that product cadence may influence attention and visits; it is not justified to attribute Gemini’s two-month share decline to any delayed or absent release alone.

Google’s latest Gemini launches expand beyond consumer chat

Google announced Gemini 3.8 Flash on September 2 as a general-purpose model aimed at software engineering, agentic tasks, and multi-step reasoning in specialized domains. Google positioned it as an improvement over Gemini 3.7 Flash and made it available through developer-oriented surfaces. 5

Google also introduced Gemini 3.8 Flash Cyber, a cybersecurity-focused variant available through the limited-access Fairwind Program for governments, trusted partners, Google Cloud customers, and cybersecurity partners. The program is intended to help approved defenders find and address vulnerabilities at scale, rather than serve as a general consumer rollout. 541

Separately, Gemini Spark began rolling out Google Photos capabilities for eligible Google AI Pro and Ultra subscribers in the United States. The agent can handle multi-step tasks through natural-language instructions, including finding and editing photos, curating albums, creating shared albums, and turning a photographed event flyer into a calendar-related workflow. The rollout is limited by eligibility and is not a universal consumer feature. 2223

These releases may deepen Gemini’s role across developer tools, security work, and Google’s product ecosystem. But they arrived after the August traffic measurement, so they cannot explain that month’s web-share result. 3522

What the data mean for Alphabet

Alphabet’s Class A shares were quoted around $338.46 on September 4. One analyst aggregation based on 64 analysts polled by S&P Global listed a Strong Buy consensus and an average 12-month target of $428.07, about 25% above that reference price. 5051

That is not a verdict on Gemini web traffic. Alphabet’s investment case spans advertising, cloud, infrastructure, and its broader AI portfolio. Analyst targets are forecasts rather than guarantees and should not be treated as investment advice.

Is Gemini at a plateau?

Not yet. The clearest conclusion is a temporary loss of momentum with substantial uncertainty.

The cautionary signals are real: Gemini has declined for two consecutive months, ChatGPT has moved in the opposite direction, and the latest traffic data do not show a fresh consumer breakout. 3

But the counterevidence is also substantial: Gemini’s share is still far above its August 2025 level, and Google is extending Gemini into developer workflows, cybersecurity, and consumer services such as Photos. 3522

The more meaningful test will come after the next major broadly available Gemini release: whether it creates sustained engagement and whether that engagement appears in web traffic, app use, or both. Until then, August’s figures show a pause in a larger competitive rebalancing—not a final outcome.