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Context bloat in codex

BACKGROUND
1 SIGNALFIRST DETECTED 13 September 2026
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How the story developed
13 Sept
Context bloat in codex
OPINION · WHAT · OpenAI
Other feeds and industry voices
12 Apr
Codex is officially nerfed

<!-- SC_OFF --><div class="md"><p>The recent changes to Codex limits have significantly degraded the developer experience.</p> <p>Previously, Codex in VS Code felt fluid and

OPINION · WHAT · OpenAIOPEN STORY
28 Mar
I tested context quality degradation across token counts. The hallucination numbers at 200K are worse than I expected.

<!-- SC_OFF --><div class="md"><p>Been building AI agents for a while and kept hitting the same wall: agents that work great at the start of a session and quietly fall apart by

OPINION · WHAT · LocalLLaMAOPEN STORY
17 May
WTF is up with Codex today?

<!-- SC_OFF --><div class="md"><p>I've been working all day on ONE THING. One function. Can't get it right. I've been working all week in Codex and it's been generally fine, but

OPINION · WHEN · OpenAIOPEN STORY
26 Mar
How do you guys deal with long context in LLM models?

<!-- SC_OFF --><div class="md"><p>How do you guys deal with long context, for example while coding, when you’re going back and forth for adjustments or fixing some errors and

OPINION · WHEN · LocalLLaMAOPEN STORY
24 Mar
Context Shifting + sliding window + RAG

<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1s2bne8/context_shifting_sliding_window_rag/"> <img alt="Context Shifting + sliding window + RAG"

OPINION · WHAT · LocalLLaMAOPEN STORY
14 Oct
improved context size to deal with the over thinking bloat of 6.1

<!-- SC_OFF --><div class="md"><p>Bigger context window can reduce the symptoms without fixing the underlying efficiency or accounting problems.</p> <p>It is a trade-off fewer

OPINION · WHAT · ChatGPTOPEN STORY
13 Apr
Codex limits

<!-- SC_OFF --><div class="md"><p>New Codex limits are a joke. They said they would cut the 2x usage bonus and cut more of the 5hours limits, but the consumption has raised to

OPINION · WHO · OpenAIOPEN STORY
17 Jun
GPT Codex users: at what token count does quality actually degrade for you?

<!-- SC_OFF --><div class="md"><p>I’ve been using GPT Codex heavily and things start falling apart around 180k tokens. Sloppier reasoning, dropped context, wrong assumptions. I

OPINION · WHERE · OpenAIOPEN STORY
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