Vibeleaderboard

Learn from the corpus

Latest IntelNews, research, field notes, and releases reviewed by the editorial system.Agentic Engineering RoadmapLearn the field in order through lessons built from current Intel.

Glossary Knowledge graph

BrowseAll Tools Browse by capability Head-to-head Market map Model Atlas

Find the right skill, CLI, harness, or service for the job.

Popular capabilities

Code with an agentWork across a repository from an issue, prompt, or terminal session.→Interface with your agentsCLI harnesses, IDEs, control planes, desktop apps, multiplexers, and terminals for steering coding agents.→Connect tools with MCPExpose data and actions to agents through Model Context Protocol servers.→Review any codebaseGive an agent a repeatable, high-signal engineering review process.→Find AI benchmarksSWE-bench, Terminal-Bench, Harvey LAB, and more→Dictate instead of typeSuperwhisper and Wispr Flow→

Explore

AI labsLiving dossiers on the organizations behind the models.

Index — Latest Intelligence

Intel

© 2026 Vibeleaderboard

Privacy Terms Submit Map Roadmap Use with your agent

Intel / post

OpenAI swaps in an updated 5.5 Instant model with no changelog

Source: Sam Altman
Date: Published Jun 26, 2026

Why it matters

The 5.5 Instant model behind ChatGPT changed the week of June 26, 2026 with no published changelog. Worth pinning if you saw output drift in that window.

Read the source ↗x.com

More from Sam Altman

postCodex adds Appshots, pulling a live macOS window into an agent thread
postA US government request kept GPT-5.6 Sol in limited preview
articleGPT-5.6 goes GA with an "ultra" parallel-agent setting and sharp cost claims
articleOpenAI puts GPT-Rosalind behind a vetted-access program for biodefense builders

Recommended reads

postGPT-5.6 arrives with ChatGPT Work, a new desktop app, and hosted sitesSam Altman
postGPT-5.6 Sol takes over ChatGPT's reasoning tiersOpenAI
postThe new GPT-5.6 Sol powers all chats for paid users, including Instant,…OpenAI

Comments

Checking sign-in…

Loading comments…