MultimodalOpenAI

GPT-5.5

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GPT-5.5 — OSWorld-Verified 78.7%, MMMU-Pro 81.2%

Why it matters

Showed in numbers that visual understanding and operating a computer are the same capability

Source — Primary sources first; secondary reports are labelled “Press”

Officialopenai.comhttps://openai.com/index/introducing-gpt-5-5/

Added in Week 35, 2026 · See that week

On the map — ⑦ Multimodal line

  1. Previous stopClaude Opus 4.7
  2. This recordGPT-5.5
  3. Next stopEU AI Act Article 50 transparency obligations begin to apply
See it on the map

In the model family tree — GPT family · 23 versions

  1. Earlier versionGPT-5.2
  2. This recordGPT-5.5
  3. Later versionGPT-6 Astra
See the whole GPT family

Same week

DeepSeek-V4PaperDeepSeek releases V4-Pro (1.6T/49B) and V4-Flash (284B/13B), MIT, 1M contextOfficialCohere announces acquisition of and merger with Germany's Aleph AlphaPressGoogle Cloud previews its 8th-generation TPUs at Cloud NextPress

Nearby on the same axis

Alibaba Qwen publishes the Qwen3.5-Omni technical reportPaperClaude Opus 4.7OfficialGPT-Realtime-2 / -Translate / -WhisperOfficialMoonshot AI releases Kimi K2.5Official