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2026-06-19·ANTHROPIC·developer adoption spike
lowup

A Manifold prediction market on June 19, 2026, indicated an 80% probability that the @anthropic-ai/sdk npm package will...

A Manifold prediction market on June 19, 2026, indicated an 80% probability that the @anthropic-ai/sdk npm package will exceed the OpenAI npm package in weekly downloads during at least one 7-day period source 3.

window 30devidence 5

signal brief

A Manifold prediction market on June 19, 2026, indicated an 80% probability that the @anthropic-ai/sdk npm package will exceed the OpenAI npm package in weekly downloads during at least one 7-day period source 3. This suggests growing developer adoption of Anthropic's models, potentially signaling a shift in the AI model ecosystem. While the event is probabilistic and not yet realized, the market consensus reflects a strong near-term expectation. Other markets from the same date show Anthropic trailing OpenAI in version numbers (96.66% probability OpenAI leads 5.2 vs 4.5 through mid-2026) source 2, and low probabilities for AGI classification or benchmark dominance sources 1, 4, 5. However, the SDK download signal is actionable: if realized, it would indicate a developer preference shift, benefiting Anthropic's ecosystem and potentially increasing demand for related inference infrastructure. Given the speculative nature, confidence is low.

evidence

Decision support, not stock advice. This signal is research with cited evidence — not a recommendation to buy, sell, or hold any security.