Model · Multimodal language model

GPT-4o

A text-and-image model release exposed as the gpt-4o alias over three dated snapshots through OpenAI's managed developer API, without downloadable model weights.

Developer
OpenAI
Distribution
Developer API
Artifact licensing
Proprietary access
License scope
Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
Licenses
OpenAI Services Agreement
Boundary
This record represents the GPT-4o release whose API page lists gpt-4o-2024-08-06 as the default snapshot behind the gpt-4o alias alongside the gpt-4o-2024-05-13 and gpt-4o-2024-11-20 snapshots; OpenAI's deprecation page lists gpt-4o-2024-05-13 for shutdown on 2026-10-23. ChatGPT, gpt-4o-mini, audio and realtime variants, fine-tuned derivatives, and later GPT releases are separate boundaries.

Risk statements

“medium risk” · Below threshold

After reviewing the results from the Preparedness evaluations, the Safety Advisory Group recommended classifying GPT‑4o before mitigations as borderline medium risk for persuasion, and low risk in all others.
Risk areas
Cyber · Biological or chemical · Autonomy
Covers
The model itself

Read the developer's statement ↗ · 2026-10-09 · Research confidence: Medium

OpenAI states that this release did not reach “medium risk” in cyber, biological or chemical, and autonomy capability. The statement covers the model itself. This is the developer's own statement, not an Atlas risk rating.

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