Historical
OpenAI · Incident record · Apr 29, 21:01 UTC

Elevated errors for ChatGPT Go (5.3 Thinking)

Historical record · source provider_api · confidence high
35/100
User-Impact Score · Degraded
2026-04-29 21:03 UTC — UIS 35
startedresolved

1h 23m · OpenAI · scope unspecified · historical record (live confirmation cannot be fabricated retroactively).

Cite this incidentBibTeX · APA · MLA · Chicago · RIS
ai-receipts. (2026, April 29). Elevated errors for ChatGPT Go (5.3 Thinking) [Incident record, methodology v1.0]. ai-receipts. https://aireceipts.org/incidents/openai:01KQDGQKRTSJ02E03R134H5JFD
Embed this incidentiframe · CC-BY-4.0
<iframe src="https://aireceipts.org/incidents/openai:01KQDGQKRTSJ02E03R134H5JFD?embed=1" title="OpenAI: Elevated errors for ChatGPT Go (5.3 Thinking) — ai-receipts incident record" width="100%" height="420" loading="lazy" style="border:1px solid #e4e4e7"></iframe>
<p><a href="https://aireceipts.org/incidents/openai:01KQDGQKRTSJ02E03R134H5JFD">Source: ai-receipts</a> · CC-BY-4.0</p>

Data record

UIS
35/100
Status
resolved
Started (UTC)
2026-04-29 21:01
Duration
1h 23m
Components
—
Scope
scope unspecified — see methodology limitations
Confirmation
Historical record. Live multi-source confirmation cannot be fabricated retroactively.
Methodology
v1 · how this score was computed · provider status page

Evidence chain

Showing the first 100 of 3,252 provider updates and 1 of 1 matched signal observations. Full record in /data (3,152 additional rows).

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  101. Apr 29, 21:01 UTC
    First independent confirmation
  102. Apr 29, 21:11 UTC
    [hn keyword]

    I benchmarked Claude Code's caveman plugin against "be brief."

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  103. Apr 29, 21:11 UTC
    First official acknowledgment
    11 min after ai-receipts confirmation