Summary
Three OpenAI dated model snapshots have confirmed shutdown dates on OpenAI's deprecation page but are missing deprecation_date in model_list.json. Without the field, markModelsPastDeprecationDate() in packages/proxy/schema/models.ts will not auto-flag them as deprecated after the shutdown date.
Affected Models
| Model ID |
Shutdown Date |
Replacement |
Line |
gpt-4o-2024-05-13 |
2026-10-23 |
gpt-5.5 |
~993 |
o1-2024-12-17 |
2026-10-23 |
gpt-5.5 |
~1791 |
o4-mini-2025-04-16 |
2026-10-23 |
gpt-5.4-mini |
~1614 |
All three models are currently active but have been announced for retirement on October 23, 2026.
Verification
Cross-source confirmation: all three models appear on both the OpenAI models page (as active) and the deprecation page (with shutdown dates). The deprecation page lists the exact shutdown date of October 23, 2026 for each.
Local files inspected
packages/proxy/schema/model_list.json — all three entries lack deprecation_date
packages/proxy/schema/models.ts — markModelsPastDeprecationDate() (line 217) requires deprecation_date per entry
Proposed changes
"gpt-4o-2024-05-13": {
"deprecation_date": "2026-10-23"
}
"o1-2024-12-17": {
"deprecation_date": "2026-10-23"
}
"o4-mini-2025-04-16": {
"deprecation_date": "2026-10-23"
}
{
"kind": "deprecation",
"provider": "openai",
"models": ["gpt-4o-2024-05-13", "o1-2024-12-17", "o4-mini-2025-04-16"],
"status": "deprecated",
"model_specs": {
"gpt-4o-2024-05-13": {
"deprecation_date": "2026-10-23"
},
"o1-2024-12-17": {
"deprecation_date": "2026-10-23"
},
"o4-mini-2025-04-16": {
"deprecation_date": "2026-10-23"
}
},
"source_urls": [
"https://platform.openai.com/docs/deprecations",
"https://platform.openai.com/docs/models"
]
}
Summary
Three OpenAI dated model snapshots have confirmed shutdown dates on OpenAI's deprecation page but are missing
deprecation_dateinmodel_list.json. Without the field,markModelsPastDeprecationDate()inpackages/proxy/schema/models.tswill not auto-flag them as deprecated after the shutdown date.Affected Models
gpt-4o-2024-05-13gpt-5.5o1-2024-12-17gpt-5.5o4-mini-2025-04-16gpt-5.4-miniAll three models are currently active but have been announced for retirement on October 23, 2026.
Verification
model_list.jsonCross-source confirmation: all three models appear on both the OpenAI models page (as active) and the deprecation page (with shutdown dates). The deprecation page lists the exact shutdown date of October 23, 2026 for each.
Local files inspected
packages/proxy/schema/model_list.json— all three entries lackdeprecation_datepackages/proxy/schema/models.ts—markModelsPastDeprecationDate()(line 217) requiresdeprecation_dateper entryProposed changes
{ "kind": "deprecation", "provider": "openai", "models": ["gpt-4o-2024-05-13", "o1-2024-12-17", "o4-mini-2025-04-16"], "status": "deprecated", "model_specs": { "gpt-4o-2024-05-13": { "deprecation_date": "2026-10-23" }, "o1-2024-12-17": { "deprecation_date": "2026-10-23" }, "o4-mini-2025-04-16": { "deprecation_date": "2026-10-23" } }, "source_urls": [ "https://platform.openai.com/docs/deprecations", "https://platform.openai.com/docs/models" ] }