SunsetDiff

When is o1-preview shut down?

o1-preview shut down on 2025-07-28 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is o3. On the labeled example of 10 million input tokens and 2 million output tokens, o3 costs $36 a month, lower than $270 for o1-preview.

retired

Dates
Announced2025-04-28
DeprecatedNot published
Shutdown2025-07-28
Kindexact

Replacements

See the replacement diff · OpenAI models

Specs

Published specs. Missing cells were not on the official pages we checked.
Input price / 1M $15 · source, checked 2026-10-17
Output price / 1M $60 · source, checked 2026-10-17
Cached input / 1M $7.5 · source, checked 2026-10-17
Context window 128,000 · source, checked 2026-10-17
Max output 32,768 · source, checked 2026-10-17
Reasoning Not published
Vision Not published
Tools Not published

Related models

Questions

When is o1-preview shut down?

o1-preview shut down on 2025-07-28 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is o3. On the labeled example of 10 million input tokens and 2 million output tokens, o3 costs $36 a month, lower than $270 for o1-preview.

What replaces o1-preview?

The official replacement is o3.

Is o1-preview deprecated?

o1-preview status is retired.

Sources

Change history

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