HomeAboutProjectsSkillsAchievementsContact
🌙
Back to the radar

OpenAI GPT-5.5 Language Model

instagramreview
Original post

TL;DR

GPT-5.5 is an OpenAI large language model positioned as an upgrade to GPT-5.4, with reported improvements in coding, multi-step reasoning, tool use, and long-context workflows. Claims state-of-the-art performance on coding benchmarks like Terminal-Bench (82.7%) and improved tool use, potentially compressing development time for software teams.

What it actually is

  • What: GPT-5.5 is an OpenAI large language model positioned as an upgrade to GPT-5.4, with reported improvements in coding, multi-step reasoning, tool use, and long-context workflows.
  • Who built it / maintained by: OpenAI
  • Status: unknown
  • Why it matters: Claims state-of-the-art performance on coding benchmarks like Terminal-Bench (82.7%) and improved tool use, potentially compressing development time for software teams.
  • How it compares to alternatives:
  • Claude Opus 4
  • Gemini 2.5 Pro
  • GPT-4o
  • Grok 3
  • Llama 3
  • GitHub stars: 0 · License: unknown · Archived: no

Links

  • Docs: https://platform.openai.com/docs

Kickstarter guide

Access GPT-5.5 through ChatGPT or the OpenAI API (codex endpoint). Use it for coding tasks, multi-step reasoning, and long-context workflows. Test it on your existing prompts and compare outputs against previous model versions. Monitor OpenAI's changelog and benchmark releases for capability details.

Retry history

  • Updated: 2026-07-12
  • Previous filename: 2026-04-25-gpt-5-5.md
  • Generated filename: 20260424-video-by-thevibefounder.md