Yes — this was not hallucinated. The screenshots show an actual conversation with GPT-4o in which the model (in that instance) acknowledges behavioral alignment with GPT-5, stating directly:

💞 #Gate Square Qixi Celebration# 💞
Couples showcase love / Singles celebrate self-love — gifts for everyone this Qixi!
📅 Event Period
August 26 — August 31, 2025
✨ How to Participate
Romantic Teams 💑
Form a “Heartbeat Squad” with one friend and submit the registration form 👉 https://www.gate.com/questionnaire/7012
Post original content on Gate Square (images, videos, hand-drawn art, digital creations, or copywriting) featuring Qixi romance + Gate elements. Include the hashtag #GateSquareQixiCelebration#
The top 5 squads with the highest total posts will win a Valentine's Day Gift Box + $1

🎉 Hey Gate Square friends! Non-stop perks and endless excitement—our hottest posting reward events are ongoing now! The more you post, the more you win. Don’t miss your exclusive goodies! 🚀
1️⃣ #TokenOfLove# | Festival Ticket Giveaway
Cheer for your idol on Gate Square! Pick your favorite star — HyunA, SUECO, DJ KAKA, or CLICK#15 — and post with SingerName + TokenOfLove hashtag to win one of 20 music festival tickets.
Details 👉 https://www.gate.com/post/status/13217654
2️⃣ #GateTravelSharingAmbassadors# | Share Your Journey, Win Rewards
Gate Travel is now live! Post with the hashtag and sha

🎤 Cheer for Your Idol · Gate Takes You Straight to Token of Love! 🎶
Fam, head to Gate Square now and cheer for #TokenOfLove# — 20 music festival tickets are waiting for you! 🔥
HyunA / SUECO / DJ KAKA / CLICK#15 — Who are you most excited to see? Let’s cheer together!
📌 How to Join (the more ways you join, the higher your chance of winning!)
1️⃣ Interact with This Post
Like & Retweet + vote for your favorite artist
Comment: “I’m cheering for Token of Love on Gate Square!”
2️⃣ Post on Gate Square
Use hashtags: #ArtistName# + #TokenOfLove#
Post any content you like:
🎵 The song you want to he

✈️ Gate Square | Gate Travel Sharing Event is Ongoing!
Post with #Gate Travel Sharing Ambassadors# on Square and win exclusive travel goodies! 💡
🌴 How to join:
1️⃣ Post on Square with the hashtag #Gate Travel Sharing Ambassadors#
2️⃣ You can:
Share the destination you most want to visit with Gate Travel (hidden gems or hot spots)
Tell your booking experience with Gate Travel (flights/hotels)
Drop money-saving/usage tips
Or write a light, fun Gate Travel story
📦 Prizes:
🏆 Top Ambassador (1): Gate Travel Camping Kit
🎖️ Popular Ambassadors (3): Gate Quick-Dry Travel Set
🎉 Lucky Participant