Sources & verification notes
GPT-4o
gpt-4oExact identifier & access
Identity and lifecycle apply to this exact identifier and serving surface.
- All models ↗OpenAI · provider-authored · checked Sep 23, 2026
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026
First availability
Effective May 13, 2024. Checked Sep 23, 2026.
First API availability of the `gpt-4o` ID per the changelog and launch post; the alias now points to gpt-4o-2024-08-06.
- Changelog ↗OpenAI · provider-authored · checked Sep 23, 2026
- Hello GPT-4o ↗OpenAI · provider-authored · checked Sep 23, 2026
Availability status
Effective date not established; this is an observation. Checked Sep 23, 2026.
- All models ↗OpenAI · provider-authored · checked Sep 23, 2026
- Deprecations ↗OpenAI · provider-authored · checked Sep 23, 2026
Capabilities & limits
Effective date not established; this is an observation. Checked Sep 23, 2026.
Alias of the default snapshot `gpt-4o-2024-08-06`; values are that snapshot's as of 2026-09-23.
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Input price
Effective date not established; this is an observation. Checked Sep 23, 2026.
Derived from the captured rate card's standard token row.
- Pricing ↗OpenAI · provider-authored · checked Sep 23, 2026
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Output price
Effective date not established; this is an observation. Checked Sep 23, 2026.
Derived from the captured rate card's standard token row.
- Pricing ↗OpenAI · provider-authored · checked Sep 23, 2026
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Model card
Effective date not established; this is an observation. Checked Sep 23, 2026.
Alias of the default snapshot `gpt-4o-2024-08-06`; values are that snapshot's as of 2026-09-23.
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Official announcement
Effective May 13, 2024. Checked Sep 23, 2026.
- Hello GPT-4o ↗OpenAI · provider-authored · checked Sep 23, 2026
Full rate card
Effective date not established; this is an observation. Checked Sep 23, 2026.
- Pricing ↗OpenAI · provider-authored · checked Sep 23, 2026
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026
License
Effective date not established; this is an observation. Checked Sep 23, 2026.
Not verified. These sources establish the identifier, not this missing fact.
- All models ↗OpenAI · provider-authored · checked Sep 23, 2026
- GPT-4o Model ↗OpenAI · provider-authored · checked Sep 23, 2026