OpenAI Platform & APIs$ explicithighCluster of 44 signals
Card #396 · OpenAI Platform & APIs

Degradation of GPT-5.5 performance and reliability

We are experiencing a significant drop in output quality and reliability with GPT-5.5, making it unusable for serious development. This is accompanied by increased context usage and a lack of transparency from OpenAI, leading some of us to switch providers.

OpenAI Platform & APIsUpdated 18d ago0.99
Pain score
0.99/ 1.00 · weighted product of four components
Reach1.00
distinct authors (log-normalized)
Recency1.00
freshness decay, half-life months
Engagement0.96
upvotes + comments, normalized
Monetization1.00
willingness-to-pay cues in evidence
§ Evidence — 4 verified quotes
The outputs have become so unreliable that we have had to pull back on development for the time being.
Forum·@Ironclad··source ↗
well this explains why 5.5 xhigh has been so horrible for hte past month
Forum·@Agentify.sh··source ↗
With the upcoming deprecation, we are thinking seriously on switching providers
Forum·@erni··source ↗
At this point, the business accounts feel like cash incinerators when used for this workflow, because we are discarding most of what is generated.
Forum·@Ironclad··source ↗

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