OpenAI model

GPT-5.3 Codex Spark

GPT-5.3 Codex Spark is available through 1 provider and 1 concrete deployment tracked by ALLM.

openai/gpt-5.3-codex-spark

imagetextOfficial lab notation

Deployments

1

Providers

1

Max context

128K

Input from

GPT-5.3 Codex Spark provider comparison

Pricing and compatibility are tracked per provider deployment, because the same model can expose different features depending on where it runs.

ProviderProvider model IDModeRegionInputOutputContextTools
ChatGPTgpt-5.3-codex-sparkResponsesglobal128Ksupported

More models from OpenAI