Anthropic’s earlier confidential S-1 filing on June 1, 2026, and active preparations for a mid-October Nasdaq debut underpin the 94% market-implied odds it will list before OpenAI. The Claude developer has shown stronger revenue momentum, with its annualized run rate exceeding $65 billion by July, and is advancing toward a potential $2 trillion valuation with support from lead underwriters and possible anchor investment from Nvidia. In contrast, OpenAI’s June 8 filing has not progressed to a public prospectus, and CFO Sarah Friar has signaled a 2027 target to achieve Sam Altman’s $1 trillion valuation floor amid heavy compute spending and post-SpaceX market caution. Key near-term catalysts include Anthropic’s expected late-September S-1 release and roadshow, though shifts in equity market sentiment or regulatory reviews could still alter sequencing for either large language model leader.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateWill Anthropic or OpenAI IPO first?
Anthropic
$362,527 Vol.
$362,527 Vol.
Anthropic
$362,527 Vol.
$362,527 Vol.
This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources.
This market will resolve 50-50 if:
- Neither company completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET;
- Both companies complete an IPO on the same calendar date (ET); or
- By December 31, 2027, 11:59 PM ET, both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded.
The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange.
The resolution source for this market is a consensus of credible reporting.
Binuksan ang Market: Jan 30, 2026, 5:43 PM ET
Resolver
0x65070BE91...This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources.
This market will resolve 50-50 if:
- Neither company completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET;
- Both companies complete an IPO on the same calendar date (ET); or
- By December 31, 2027, 11:59 PM ET, both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded.
The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange.
The resolution source for this market is a consensus of credible reporting.
Resolver
0x65070BE91...Anthropic’s earlier confidential S-1 filing on June 1, 2026, and active preparations for a mid-October Nasdaq debut underpin the 94% market-implied odds it will list before OpenAI. The Claude developer has shown stronger revenue momentum, with its annualized run rate exceeding $65 billion by July, and is advancing toward a potential $2 trillion valuation with support from lead underwriters and possible anchor investment from Nvidia. In contrast, OpenAI’s June 8 filing has not progressed to a public prospectus, and CFO Sarah Friar has signaled a 2027 target to achieve Sam Altman’s $1 trillion valuation floor amid heavy compute spending and post-SpaceX market caution. Key near-term catalysts include Anthropic’s expected late-September S-1 release and roadshow, though shifts in equity market sentiment or regulatory reviews could still alter sequencing for either large language model leader.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update

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