GPT-3 Instruct Models by OpenAI

OpenAIProprietary
OpenAI releases · 42 in the last 12 monthsChangelog →
This model family is considered obsolete. Consider newer alternatives in Related Model Families below.
4 models2020–2022Up to 4k ctx

Last refreshed 2026-10-06. Next refresh: weekly.

Details

ResearcherOpenAI
LicenseProprietary
Commercial useCommercial use: conditional
Models4
Released2020–2022
Max context4k

Links

Website

About

GPT-3.5 Turbo Instruct has similar capabilities to text-davinci-003 using the Completions API instead of the Chat Completions API. It is recommended to use GPT-3.5 Turbo and GPT-3.5 Turbo Instruct over legacy GPT-3.5 and GPT-3 models.

Decision facts

Best fit
chatbot and role-playing use cases
Capability starting point
text-davinci with 4k context
Lowest tracked input
Not tracked
Closest related family
GPT-5

Archived Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

4 in view4 retired
text-davinciArchived

Keep only for existing workloads; choose a current variant for new builds.

2022-014k context175B parameters
text-adaArchived

Keep only for existing workloads; choose a current variant for new builds.

2020-062k context350M parameters
text-babbageArchived

Keep only for existing workloads; choose a current variant for new builds.

2020-062k context1.3B parameters
text-curieArchived

Keep only for existing workloads; choose a current variant for new builds.

2020-062k context6.7B parameters

Release Timeline

2 release groups
2022-01
1 retired
text-davinci
4k context175B parameters
Archived
2020-06
3 retired
text-ada
2k context350M parameters
Archived
text-babbage
2k context1.3B parameters
Archived
text-curie
2k context6.7B parameters
Archived

Specifications(4 models)

GPT-3 Instruct model specifications comparison
ModelReleasedContextParameters
text-davinci2022-014k175B
text-ada2020-062k350M
text-babbage2020-062k1.3B
text-curie2020-062k6.7B

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