[Scanner] Update: GPT-5.4 mini/nano — availability + pricing evidence #398
Description
CANDIDATE: GPT-5.4 mini and GPT-5.4 nano (OpenAI)
ENTITY TYPE: Model Access
PROVIDER: OpenAI
PRODUCT: ChatGPT / OpenAI API / Codex
WHAT CHANGED:
GPT-5.4 mini and GPT-5.4 nano are now available as smaller/faster GPT-5.4 variants across key OpenAI surfaces (API, Codex, ChatGPT), with stated token pricing for API usage.
ONTOLOGY FIT:
- Best treated as Model Access because it is a new model variant users can select (and budget for), not a new product.
- Cross-surface availability (ChatGPT + API + Codex) suggests additional Surface/Plan entitlements may also need updates, but the primary durable object is model availability.
CAPABILITY MAPPING:
- write-and-edit-code
- see-images-and-screens
SCOPE ASSESSMENT:
- Commercially available or practically usable: Yes — OpenAI-operated announcement states availability in API, Codex, and ChatGPT.
- Audience relevance: Yes — impacts model selection and pricing for devs/power users.
- Affects capability, access, or deployment choice: Yes — adds lower-latency options; provides explicit pricing; indicates different availability by surface (nano is API-only).
RECOMMENDATION: UPDATE
RATIONALE:
- Previously kept as WATCH due to the main OpenAI blog page being unreachable; now there is an OpenAI-operated announcement with key details.
- Worth tracking as a material change in the GPT-5.4 model-access set.
EVIDENCE:
- OpenAI Developer Community announcement: https://community.openai.com/t/introducing-gpt-5-4-mini-and-nano-our-most-capable-small-models-yet/1377015
- Microsoft Azure AI Foundry blog (corroboration): https://techcommunity.microsoft.com/blog/azure-ai-foundry-blog/introducing-openai%E2%80%99s-gpt-5-4-mini-and-gpt-5-4-nano-for-low-latency-ai/4500569
OPEN QUESTIONS:
- Can we access the primary OpenAI index announcement reliably (geo/UA gating)? If yes, swap evidence priority to that URL.