Claude Is Winning The Battle Below The Top Two

The AI traffic leaderboard still belongs to ChatGPT, which held a commanding 52.7% share in June despite slipping from 76.4% a year earlier. Google’s Gemini has emerged as the clear No. 2, climbing from 9.1% to 27.8% over the same period.

But the real surprise sits just below them.

Claude’s traffic share has nearly doubled in just the past three months, rising from 8.0% in March to 9.2% in June. That rapid growth has widened its lead over competitors including DeepSeek (3.6%), Grok (2.5%), Microsoft Copilot (2.0%) and Perplexity (1.1%).

For investors, the data suggests the AI market is becoming more concentrated—not around one winner, but around three.

The AI Race Is Becoming A Two-Tier Market

The traffic trends point to an increasingly clear divide.

At the top sit ChatGPT and Gemini, together accounting for more than 80% of global generative AI website traffic. Behind them, Claude appears to be separating itself from the rest of the pack, while several smaller rivals have either stalled or lost share over the past year.

That doesn’t necessarily translate directly into revenue or enterprise adoption. Companies like Anthropic generate a growing portion of their business through APIs and enterprise partnerships rather than consumer web traffic alone. Still, Similarweb’s data offers one of the clearest snapshots of where users are spending their time.

The Next Metric Investors Should Watch

Traffic share alone won’t determine the winners of the AI race.

If ChatGPT remains the category leader and Gemini continues closing the gap, Claude is making a compelling case that the AI race is no longer just a two-horse contest—and investors may want to pay closer attention to the fast-growing No. 3.

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