Palantir Tumbles 7% on Anthropic Competition Fears: Is the AI Platform King Losing Its Crown?

Palantir (PLTR) stock dropped 7% to $131 on Thursday, extending a two-day decline after investor Michael Burry’s deleted post flagged Anthropic’s new AI model as a competitive threat.

Palantir’s 261x P/E ratio leaves minimal room for error, but the bulls highlight high switching costs from deeply embedded Gotham and Foundry platforms plus strong guidance, with 2026 revenue projected at $7.18-7.20B (+61% YoY).

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Palantir Technologies (NASDAQ:PLTR) shares are down 7% Thursday, sliding from $140.76 to $131 as competition fears tied to Anthropic’s latest AI model continue to rattle investors. The selling follows yesterday’s steep decline, when Palantir dropped from $150.07 to $140.76, making this a two-day rout for one of the market’s most closely watched AI names.

The catalyst this time has a name attached to it. Michael Burry, who founded the hedge fund Scion Capital and is known for his high-profile contrarian calls, published a now-deleted post positioning Anthropic’s new AI model as a major competitive threat to Palantir. The post went viral before it was removed, igniting debate across trading communities and adding fuel to an already nervous market. Heavy pre-market volume preceded the open, suggesting institutional players were already repositioning ahead of retail.

The stock is now down 26% year-to-date, a sharp reversal for a name that was a market darling heading into 2026.

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Burry’s deleted post landed at a sensitive moment. Anthropic has unveiled a new AI model raising concerns about competitive pressures in the enterprise AI software space, and investors are questioning whether increasingly capable foundation models could erode Palantir’s pricing power. The fact that the post was deleted only amplified its reach, as screenshots spread rapidly across social media and trading forums.

The bear case here is straightforward. At a P/E ratio of 261x, Palantir has virtually no margin for error. If powerful, low-cost AI models from Anthropic or others can replicate even a fraction of what Palantir’s platforms deliver, the growth premium baked into the stock looks increasingly fragile. Bears have been pointing to this valuation for months, and today’s action suggests that argument is gaining traction.

The bull counter-argument is worth hearing out, and it’s more nuanced than “the stock is down, so buy the dip.” Palantir’s platforms, Gotham for government and Foundry for commercial clients, are deeply embedded in client workflows, creating high switching costs. The company’s AIP (AI Platform) deploys models from Anthropic and other providers inside complex enterprise and government environments where raw model capability is only part of the equation.

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The underlying business metrics support that thesis. Palantir’s Q4 2025 revenue grew 56.18% year-over-year, and earnings growth came in at 231.58% year-over-year. Moreover, Palantir’s U.S. commercial revenue hit $507 million, up 137% year-over-year, while U.S. government revenue reached $570 million, up 66% year-over-year. Those numbers reflect a company still firmly on its competitive footing.

Management’s own forward guidance reflects confidence. For full-year 2026, Palantir guided for revenue of $7.182 to $7.198 billion, implying roughly 61% year-over-year growth, with U.S. commercial revenue expected to exceed $3.144 billion. For investors with a longer time horizon, the 2030 outlook for Palantir hinges on whether that platform stickiness holds as the AI landscape matures.

The investor community is deeply split, with some calling today’s price action institutional manipulation or an overreaction, while others view it as a justified correction of an overvalued stock. Reddit sentiment for Palantir stock remains bullish, with a sentiment score of 68 to 72 across recent sessions, suggesting retail investors are leaning toward the dip-buying camp rather than panic selling.

Analyst price targets tell a similar story. PLTR stock price targets from Wall Street range from $180 to $255, all well above today’s $131 print. The prediction markets are more cautious near-term, with traders assigning a 43.5% probability of Palantir closing above $136 by end of April. That’s a modest hurdle that reflects genuine uncertainty rather than outright bearishness.

Watch for whether today’s selling exhausts itself near the $130 level or accelerates into the close. The Burry post is deleted, but the Anthropic competition narrative it amplified isn’t going away. Any further commentary from Palantir’s management team or a credible analyst response to the competitive threat could shift sentiment quickly in either direction.

Granted, PLTR is a stock with a beta of 1.67, meaning outsized moves in both directions are part of the deal. Long-term bulls who believe in Palantir’s platform moat will likely view the $130 range as an opportunity. The bears will argue the valuation still hasn’t fully corrected. Both sides have a case, and the next meaningful data point will be Palantir’s next earnings report.

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