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FIRST SEEN 2D AGO
OPENAISHIPS

OpenAI releases GPT-5.5 Instant as new default ChatGPT model

OpenAI has released GPT-5.5 Instant, a new model that replaces GPT-3.5 Instant as the default for ChatGPT. The update brings a more capable baseline experience to all ChatGPT users.

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X mentions
88k
First seen
2Dago
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+8%/6h
CONTRIBUTING SOURCES
10 ARTICLES
  1. OpenAI2D AGO
    openai.com/index/gpt-5-5-instant-system-card
  2. TechCrunch AI2D AGO
    techcrunch.com/2026/05/05/openai-releases-gpt-5-5-instant-a-new-default-model-for-chatgpt
  3. X (Twitter)2D AGO
    x.com/OpenAI/status/2051709028250915275
  4. X (Twitter)2D AGO
    x.com/sama/status/2051716909629153573
  5. X (Twitter)2D AGO
    x.com/sama/status/2051722309162160429
  6. X (Twitter)2D AGO
    x.com/sama/status/2051724685231214650
  7. X (Twitter)1D AGO
    x.com/sama/status/2051758152224506203
  8. X (Twitter)1D AGO
    x.com/sama/status/2051758445402223051
  9. X (Twitter)1D AGO
    x.com/gdb/status/2051759920467312940
  10. X (Twitter)1D AGO
    x.com/sama/status/2051783339502375418
X DISCOURSE
88k TOTAL · TOP 3
@OpenAI2H · 841.7K
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex. https://t.co/rPLTk99ZH5
@OpenAI18H · 1023.6K
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex. https://t.co/rPLTk99ZH5
@OpenAI2D · 1086.1K
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex. https://t.co/rPLTk99ZH5