II.
ModelVersion overview
Reference · livemodel:gpt-5.3-codex@current
GPT-5.3-Codex overview
Inspect the raw attributes, linked wiki pages, and inbound or outbound graph edges for model:gpt-5.3-codex@current.
Attributes
displayName
GPT-5.3-Codex
supportsExtendedThinking
false
modelFamilyId
versionRange
>=5.3.0 <5.4.0
kind
reasoning
contextWindowTokens
400000
maxOutputTokens
128000
costPerMTokInput
1.75
costPerMTokCachedInput
0.175
costPerMTokOutput
14
supportsThinking
true
thinkingEffortLevels
- low
- medium
- high
- xhigh
supportsThinkingBudgetTokens
false
modalities
- text
- image
modalityDirections
- kindtextdirectioninput
- kindimagedirectioninput
- kindtextdirectionoutput
releaseDate
2026-05-27
releaseDateNotes
Public release date was not stated on the OpenAI model page; date is the catalog first-observed tracker date.
lifecycleStatus
ga
lifecycleStatusChangedAt
2026-05-27
knowledgeCutoffDate
2025-08-31
modelCardUrl
supportsFineTuning
false
regions
- global
Outgoing edges
belongs_to_family1
- model-family:gpt-5·ModelFamilyGPT-5
realizes1
- layer:1-model·LayerModel
served_by1
- provider:openai·ModelProviderProductOpenAI
speaks1
- model-transport:openai-responses·ModelTransportProtocolOpenAI Responses
supports4
- capability:supports-prompt-caching·CapabilitySupports prompt caching
- capability:streaming·CapabilityStreaming
- capability:supports-tool-use·CapabilitySupports tool use
- capability:supports-structured-output·CapabilitySupports structured output
supports_effort_level4
- effort-level:low·EffortLevelEffort: low
- effort-level:medium·EffortLevelEffort: medium
- effort-level:high·EffortLevelEffort: high
- effort-level:xhigh·EffortLevelEffort: xhigh
version_of1
- model-family:gpt-5·ModelFamilyGPT-5
Incoming edges
about_subject17
- claim:model-version-model-gpt-5-3-codex-current-contextwindowtokens·Claim
- claim:model-version-model-gpt-5-3-codex-current-maxoutputtokens·Claim
- claim:model-version-model-gpt-5-3-codex-current-costpermtokinput·Claim
- claim:model-version-model-gpt-5-3-codex-current-costpermtokcachedinput·Claim
- claim:model-version-model-gpt-5-3-codex-current-costpermtokoutput·Claim
- claim:model-version-model-gpt-5-3-codex-current-kind·Claim
- claim:model-version-model-gpt-5-3-codex-current-knowledgecutoffdate·Claim
- claim:model-version-model-gpt-5-3-codex-current-lifecyclestatus·Claim
- claim:model-version-model-gpt-5-3-codex-current-releasedate-first-observed·Claim
- claim:model-version-model-gpt-5-3-codex-current-modalities·Claim
- claim:model-version-model-gpt-5-3-codex-current-modalitydirections·Claim
- claim:model-version-model-gpt-5-3-codex-current-supportsfinetuning·Claim
- claim:model-version-model-gpt-5-3-codex-current-supportsthinkingbudgettokens·Claim
- claim:model-version-model-gpt-5-3-codex-current-thinkingeffortlevels·Claim
- claim:model-version-model-gpt-5-3-codex-current-versionrange·Claim
- claim:model-version-model-gpt-5-3-codex-current-transport·Claim
- claim:model-version-model-gpt-5-3-codex-current-feature-support·Claim
has_version1
- model-family:gpt-5·ModelFamilyGPT-5
serves1
- provider:openai·ModelProviderProductOpenAI