OpenAI · GPT series

GPT-5.5 Instant (June 2026)

Released 25 Jun 2026 · 51 days after GPT-5.5 Instant (May 2026)

Intelligence

—

no index score yet

Price

$11.25

per 1M tokens, 3:1 in/out · $5 in / $30 out

Speed

155

output tokens/s, median

Weights

Closed

US lab

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