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Documentation section changed: 2025-09-26: Legacy GPT model snapshots

doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Past deprecations/2025-09-26: Legacy GPT model snapshots
Product
OpenAI API
Source
HTML
Change kind
Section Added
Detected
Last updated

Deterministic evidence

Before / after

Extracted from OpenAI's published contract. Open the source ↗

−1+171 change

1 / 1
null
{
"blocks": [
{
"content": "To improve reliability and make it easier for developers to choose the right models, we are deprecating a set of older OpenAI models with declining usage over the next six to twelve months. Access to these models will be shut down on the dates below.",
"type": "paragraph"
},
{
"content": "Shutdown date\tModel / system\tRecommended replacement\n2026-09-28\tgpt-3.5-turbo-instruct\tgpt-5.6-terra\n2026-09-28\tbabbage-002\tgpt-5.6-terra\n2026-09-28\tdavinci-002\tgpt-5.6-terra\n2026-09-28\tgpt-3.5-turbo-1106\tgpt-5.6-terra",
"type": "table"
}
],
"path": [
"Deprecations",
"Past deprecations",
"2025-09-26: Legacy GPT model snapshots"
]
}

Interpreted documentation change

What the vendor announced

The evidence describes a deprecation plan for several older OpenAI models with shutdown scheduled on 2026-09-28, listing the deprecated models and their recommended replacements (gpt-5.6-terra).

To improve reliability and make it easier for developers to choose the right models, we are deprecating a set of older OpenAI models with declining usage over the next six to twelve months. Access to these models will be shut down on the dates below. Shutdown date Model / system Recommended replacement 2026-09-28 gpt-3.5-turbo-instruct gpt-5.6-terra 2026-09-28 babbage-002 gpt-5.6-terra 2026-09-28 davinci-002 gpt-5.6-terra 2026-09-28 gpt-3.5-turbo-1106 gpt-5.6-terra

Deadline Sep 28, 2026Vendor source ↗

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Multi-source correlation

Other OpenAI findings correlated with this change across sources.

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