SunsetDiff

When is gpt-5.3-codex shut down?

gpt-5.3-codex shuts down on 2027-04-01 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-6-sol costs $40 a month, lower than $45.5 for gpt-5.3-codex.

deprecated

Dates
Announced2026-10-01
DeprecatedNot published
Shutdown2027-04-01
Kindexact

Replacements

See the replacement diff · OpenAI models

Specs

Published specs. Missing cells were not on the official pages we checked.
Input price / 1M $1.75 · source, checked 2026-10-17
Output price / 1M $14 · source, checked 2026-10-17
Cached input / 1M $0.175 · source, checked 2026-10-17
Context window 400,000 · source, checked 2026-10-17
Max output 128,000 · source, checked 2026-10-17
Reasoning Not published
Vision Not published
Tools Not published

Related models

Questions

When is gpt-5.3-codex shut down?

gpt-5.3-codex shuts down on 2027-04-01 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-6-sol costs $40 a month, lower than $45.5 for gpt-5.3-codex.

What replaces gpt-5.3-codex?

The official replacement is gpt-6-sol.

Is gpt-5.3-codex deprecated?

gpt-5.3-codex status is deprecated.

Sources

Change history

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