i think the most underated part of today's launch is not GPT 5.5 at all
AI
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DeepSeek Flash vs Pro Pelican Image Generation via OpenRouter
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These pelicans are kind of angry looking! Left is deepseek-v4-flash, right is deepseek-v4-pro – both generated using OpenRouter via my LLM tool
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Self-Knowledge Enhances Codex Usability and Performance
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self-knowledge makes codex so much more usable
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Reconstructing chess board position as subtask of image gen
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The point is that reconstructing the chess board position from that prompt was a ludicrous proposition until very recently, and it can now do it as a subtask of other, more traditional image gen work like knowing what FF6 or Chipotle looks like.
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OpenAI Launches Workspace Agents for ChatGPT Business Plans
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🚨OpenAI just rolled out Workspace agents in ChatGPT for Business, Enterprise, Edu & Teachers plans
— Futurepedia – Learn to Leverage AI (@futurepedia_io) 24 avril 2026
Build an agent once and share it across your workspace to automate multi-step workflows – from pulling data in Drive/SharePoint to taking action in Slack, Salesforce, Notion &… pic.twitter.com/nuWHxgXQx8OpenAI just rolled out Workspace agents in ChatGPT for Business, Enterprise, Edu & Teachers plans Build an agent once and share it across your workspace to automate multi-step workflows – from pulling data in Drive/SharePoint to taking action in Slack, Salesforce, Notion &
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AI Model Self-Corrects Visual Grounding Errors With Confidence Scoring
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What if a model could catch and correct its own mistakes while learning? Researchers from Peking University present a new AI method for visual grounding. Instead of just matching words to image regions, their system uses a "confidence score" to flag its unreliable guesses. It
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Newsletter Covers GPT-4.5, ChatGPT Images, Qwen3 and Agentic Patterns
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This week's edition of my email newsletter features 4 pelicans riding bicycles, 1 possum on an e-scooter, up to 5 raccoons with ham radios hiding in crowds, 5 blog posts, 8 links, 3 quotes and a new chapter of my Agentic Engineering Patterns guide https://
simonw.substack.com/p/gpt-55-chatg
pt-images-20-qwen36-27b
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DeepSeek v4 Pro Added to Playable Gallery
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Here's DeepSeek v4 Pro. Added to the playable gallery as well. https://t.co/foIqZakU9p pic.twitter.com/wpQ8kj9AAT
— Ethan Mollick (@emollick) 24 avril 2026Here's DeepSeek v4 Pro. Added to the playable gallery as well.
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Reflection on o3 and initial 5 router fiasco
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I would love to hear more on why you think this some time. I loved o3 (and posted about lot about it!) but initial 5 was IMO a dud, especially the router fiasco. I’m happy to admit there’s been great progress since then though.