Sources & verification notes
GPT-5.4
gpt-5.4Exact identifier & access
Undated API identifier. This pilot does not claim an immutable weights snapshot behind it.
- GPT-5.4 specifications ↗OpenAI · provider-authored · checked Sep 13, 2026
First availability
Effective Mar 5, 2026. Checked Sep 13, 2026. Re-verification needed.
- API changelog ↗OpenAI · provider-authored · checked Sep 13, 2026
Availability status
Effective date not established; this is an observation. Checked Sep 13, 2026. Re-verification needed.
- GPT-5.4 specifications ↗OpenAI · provider-authored · checked Sep 13, 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 13, 2026. Re-verification needed.
- GPT-5.4 specifications ↗OpenAI · provider-authored · checked Sep 13, 2026
Capabilities & limits
Effective date not established; this is an observation. Checked Sep 23, 2026.
Alias of the default snapshot `gpt-5.4-2026-03-05`; values are that snapshot's as of 2026-09-23.
- GPT-5.4 Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Input price
Effective date not established; this is an observation. Checked Sep 13, 2026. Re-verification needed.
- GPT-5.4 specifications ↗OpenAI · provider-authored · checked Sep 13, 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-5.4 Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Output price
Effective date not established; this is an observation. Checked Sep 13, 2026. Re-verification needed.
- GPT-5.4 specifications ↗OpenAI · provider-authored · checked Sep 13, 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-5.4 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-5.4-2026-03-05`; values are that snapshot's as of 2026-09-23.
- GPT-5.4 Model ↗OpenAI · provider-authored · checked Sep 23, 2026
Official announcement
Effective Mar 5, 2026. Checked Sep 23, 2026.
- Introducing GPT-5.4 ↗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-5.4 Model ↗OpenAI · provider-authored · checked Sep 23, 2026
License
Effective date not established; this is an observation. Checked Sep 13, 2026. Re-verification needed.
No downloadable-weights license is represented for this API offering.
- GPT-5.4 specifications ↗OpenAI · provider-authored · checked Sep 13, 2026