Codex and ChatGPT Work usage updates: optimizations, context limit reverted · Jul 12, 2026
Answer first
At a glance
Tibo announced inference optimizations passed to subscriptions for GPT-5.6 Sol, giving roughly 10% more usage, and said the context size limit was reverted from 372k to 272k after charging more usage than intended, with plans to roll back out to 372k in coming days.
- Products
- Codex and ChatGPT Work
- Event type
- Policy Change
- Evidence status
- Awaiting direct source verification
- Published
What Changed
Codex and ChatGPT Work usage updates: optimizations, context limit reverted · Jul 12, 2026
Verification
- Source type
- Web Search Index
- Status
INDEXED_ONLY· Awaiting direct source verification- Found via
- web_search
- Verified via
- Pending verification
Summary AI summary
Tibo announced inference optimizations passed to subscriptions for GPT-5.6 Sol, giving roughly 10% more usage, and said the context size limit was reverted from 372k to 272k after charging more usage than intended, with plans to roll back out to 372k in coming days.
What does this mean?
This is a public limit, rate-limit, or subscription-policy change, not a statement about an individual account balance.
Type
Policy Change
Event dates
- Published
- Observed
- Last verified
- Pending verification
- Record updated
Original Source Evidence
Tibo on X: "Updates for Codex and ChatGPT Work users. No nerfing, only good stuff! - We have landed inference optimizations and are passing down savings to all the subscriptions for GPT-5.6 Sol. That should result in around 10% more usage on its own. - We noticed that by changing the context size … / X
# Tibo on X: "Updates for Codex and ChatGPT Work users. No nerfing, only good stuff! - We have landed inference optimizations and are passing down savings to all the subscriptions for GPT-5.6 Sol....
Source
Tibo (@thsottiaux)
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Open source →Confidence
72%
Historical context
See the previous/next events or the topic timeline。
Topic: Rate limit updates