# GPT-4o · gpt-4o-2024-11-20

[Canonical model page](https://headlessthrones.com/models/gpt-4o-2024-11-20) · [Model library](https://headlessthrones.com/models)

Public catalog reference from Headless Thrones. Exact catalog ID: `gpt-4o-2024-11-20`. Catalog source-check date: 2026-10-23.

This brief contains the public catalog answers and any catalog guide, not private drafts, historical editorial revisions or independently measured rankings. The canonical HTML page may also display separately published editorial.

Current catalog answers

## What to know about GPT-4o · gpt-4o-2024-11-20

AI-compiled from linked model documentation. This is a catalog reference, not an independent performance review. Catalog checked October 23, 2026.

[Retirement & migration](https://headlessthrones.com/models/gpt-4o-2024-11-20#model-answer-research) · [Exact model](https://headlessthrones.com/models/gpt-4o-2024-11-20#model-answer-identity) · [Access](https://headlessthrones.com/models/gpt-4o-2024-11-20#model-answer-access)

### What happened to GPT-4o · gpt-4o-2024-11-20, and what replaces it?

These details come from the linked publisher material for this model. Reported capabilities and training descriptions are publisher statements, not independent test results.

**Scheduled API shutdown**: OpenAI lists 2027-01-14 as the shutdown date for this exact snapshot. This records the published schedule, not a live test that shutdown has occurred. [Source](https://developers.openai.com/api/docs/deprecations)

**Recommended migration**: The current deprecation table recommends gpt-6-luna; evaluate that model separately rather than attributing its specifications to this snapshot. [Source](https://developers.openai.com/api/docs/deprecations)

### Which GPT-4o · gpt-4o-2024-11-20 does this page describe?

GPT-4o · gpt-4o-2024-11-20 is a model record from **OpenAI** in the GPT family. [Source](https://developers.openai.com/api/docs/models/gpt-4o)

The recorded model identifier or checkpoint is `gpt-4o-2024-11-20`. Use that exact identifier when checking documentation or a provider listing. [Source](https://developers.openai.com/api/docs/models/gpt-4o)

### How can you access GPT-4o · gpt-4o-2024-11-20?

The catalog documents **API** access  for GPT-4o · gpt-4o-2024-11-20. [Source](https://developers.openai.com/api/docs/models/gpt-4o)

As of the catalog check, this version was marked deprecated. [Source](https://developers.openai.com/api/docs/deprecations) Check the linked lifecycle information before starting a new integration.

For API use, confirm the exact model identifier, your account and region, and the endpoint's current limits in the linked documentation. An API listing does not establish access through a consumer subscription.

**Catalog qualifications:** Exact snapshot listed on the vendor family page. Family-default specifications are not assumed for this older snapshot. Vendor API shutdown date: 2027-01-14.

**Evidence still missing here:** complete input/output pricing, context or input capacity, and knowledge and training-data cutoffs. Missing documentation is not evidence that a feature is unavailable.

Headless Thrones has not independently benchmarked this model for this reference. Evaluate it on representative work before choosing it; these facts do not rank its accuracy, reliability, speed or suitability against another model.

Keep the exact version in view

## Other GPT models from OpenAI.

These are separate records in the same publisher family. A shared family name does not establish equal capabilities or interchangeable licenses.

### [Chat Latest](https://headlessthrones.com/models/chat-latest)

API · 400,000 context tokens

### [GPT-5.2](https://headlessthrones.com/models/gpt-5-2)

API · 400,000 context tokens

### [GPT-5.2 Pro](https://headlessthrones.com/models/gpt-5-2-pro)

API · 400,000 context tokens

### [GPT-5.4](https://headlessthrones.com/models/gpt-5-4)

API · 1,050,000 context tokens

### [GPT-5.4 Mini](https://headlessthrones.com/models/gpt-5-4-mini)

API · 400,000 context tokens

### [GPT-5.4 Pro](https://headlessthrones.com/models/gpt-5-4-pro)

API · 1,050,000 context tokens