Anthropic and OpenAI represent the two most prominent independent AI research organizations globally. OpenAI achieved an $80 billion+ valuation in its most recent funding round, while Anthropic has raised over $7 billion but maintains a lower recorded valuation. This market resolves based on whether Anthropic's company valuation exceeds OpenAI's at year-end 2026. The resolution requires comparing publicly announced or credible reported valuations from funding rounds, secondary market data, or company disclosures before December 31, 2026. At 56% probability for YES, traders assess Anthropic's trajectory as having a better-than-even chance of surpassing OpenAI's valuation within the year, likely reflecting expectations of continued strong product development, market adoption of Claude, and potential new funding rounds. The odds suggest meaningful uncertainty: OpenAI's larger existing valuation and established market position create headwinds, while Anthropic's rapid growth and differentiated technology could drive investor demand. No immediate valuation announcements are expected for either firm, so the market reflects longer-term competitive positioning within the AI sector.