@guanjiawei
guanjiawei
@guanjiawei
Beijing, ChinaJoined February 2026
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guanjiawei's blogs
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AI Is Not a Wishing Well: Two Things I Recently Couldn't Solve
May 6 · 8 min read · Previously when talking about AI coding, most of the discussion was about what it can do and how beautifully it does it. Today I'll flip the coin and record two things I recently couldn't solve: one barely made it to the finish line, the other was sh...
Join discussionEveryone Needs to Be a Leader: After a Week with GPT-5.5 and Opus 4.7
May 6 · 8 min read · The density of model releases this April was a bit insane. Opus 4.7 dropped on April 16, the same day Codex CLI launched Goal Mode. On April 23, GPT-5.5 (codename "Spud") went live, followed on May 5 by GPT-5.5 Instant replacing ChatGPT's default mod...
Join discussionThe Days Around the Opus 4.7 Launch
May 1 · 11 min read · Yesterday around midnight, Anthropic dropped Opus 4.7. I had already lain down ready to sleep, but once the news broke I didn't end up sleeping; I got up and installed it to try it out. Hands-on Impressions of 4.7 There were no miracle moments of "so...
Join discussionWhat Goes Around Comes Around: A New Model Every Month and a Half
May 1 · 9 min read · The long-awaited OpenAI "potato" dropped today. Turns out it's not GPT-6, but GPT-5.5. I tried it out right after it came out and found that it fixed the thing that annoyed me most about 5.4: it finally started talking like a human. Back in the 5.4 d...
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