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GPT-5.5 released by April 30, 2026?

81.5%
Probability on Polymarket

On Polymarket, "GPT-5.5 released by April 30, 2026?" has a probability of 81.5%. Trading volume: $152K.

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Probability Over Time
Market Details
Polymarket
Updated 1h ago
Volume
$152K
Volume 24h
$4K
Liquidity
$9K
Traders
—
Bid / Ask
80.0% / 83.0%
Spread
3.0%
Opened
Apr 2026
Resolves
Apr 2026
This market will resolve to "Yes" if OpenAI's GPT-5.5 model is made available to the general public by the specified date (ET). Otherwise, this market will resolve to "No." GPT-5.5 refers to a product explicitly named GPT-5.5, or a variant that is recognized as a direct successo…

Single Platform Data

This question is currently tracked on Polymarket only. When the same question appears on additional platforms, we compute a cross-platform consensus probability. Learn about our methodology →

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