AIQB
TutorialsOrdinary

Codex Swapped Its Default Model and Retired GPT-5.5 in 15 Days. Did Your Evals Notice?

Source: DEV Community·
ChatGPTGPT

Summary

Codex made GPT-6.1 Sol its default on Sep 29 and dropped GPT-5.5 for ChatGPT sign-ins on Oct 14. Pin your agent's model and log it with every result.
CategoryAI Tutorials & Practice
TierOrdinary
Published
Indexed by AIQB
SourceDEV Community
AIQB record IDintel-bae410859c2128b576f517b8
Read original source ↗More Tutorials

Related stories

Matched by category, entity tags and source

TutorialsOrdinary
ChatGPT UTM Bug Sent Referral Traffic to Direct During the GPT-6 Rollout
A temporary change in how ChatGPT handled outbound links distorted a key marketing metric during the...
Source: DEV Community · ChatGPT / GPT
TutorialsOrdinary
Gemini Gems become skills in November and custom GPTs retire on December 11. What to copy out first.
If you built a Gem in Gemini or a custom GPT in ChatGPT, it is about to be converted into something...
Source: DEV Community · ChatGPT / GPT / Gemini
TutorialsOrdinary
OpenAI DevDay 2026: every announcement, with prices and availability
OpenAI DevDay 2026 recap: dots, GPT-6.1 Sol at $2/$10, Ultrafast, Pro 500, Decisions API, Codex cloud, Agents API and Sign in with ChatGPT.
Source: DEV Community · OpenAI / ChatGPT / GPT
TutorialsOrdinary
74% of Indie Stores Are Invisible to ChatGPT Shopping. I Built an Open-Source Linter to Fix It (Gemma 2 + SerpApi)
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community · ChatGPT
TutorialsOrdinary
How I built at-most-once sends for my AI companion's ChatGPT tab: a durable send ledger, and receipts that survive a crash
How I built at-most-once sends for my AI companion's ChatGPT tab: a durable send ledger, and...
Source: DEV Community · ChatGPT
TutorialsOrdinary
Writing Pages That Survive RAG Chunking
When Perplexity, ChatGPT search or Google's AI features answer a question, they don't read your page...
Source: DEV Community · ChatGPT
TutorialsOrdinary
You Already Pay for Claude Code and Codex. Do You Still Need Cursor?
Claude and ChatGPT plans already include their coding agents. When is a $20 AI editor still worth it, and when will a free console do?
Source: DEV Community · ChatGPT / Claude / Cursor
TutorialsOrdinary
Your Access Logs Already Show Which Pages AI Assistants Are Reading
Most teams trying to understand AI search start by querying ChatGPT. There's a cheaper signal sitting...
Source: DEV Community · ChatGPT
TutorialsOrdinary
"Review This Code" Is the Worst ChatGPT Prompt. Here Are 5 Better Ones for the Same Buggy Function.
There is a bug in these six lines. Find it before you scroll. `def get_discount(price, user): ...
Source: DEV Community · ChatGPT
TutorialsOrdinary
Why did my Claude Haiku calls start 400ing? Three AI API changes that break code quietly
Three AI API changes from the last two weeks that quietly break shipped code: Claude Haiku 5.5 migration 400s, Managed Agents web_fetch gating, and the GPT-6 plan split.
Source: DEV Community · GPT / Claude