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Codex 5.3


Codex 5.3 is OpenAI logoOpenAI's language model. An OpenAI Codex model in the fifth-generation series, version 5.3, for code generation and agentic programming tasks.
Spec
Canonical IDopenai-codex-5-3
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

ProviderStandard
Input
$ / 1M
Cache Read
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
openai:53codex
$1.75$0.175

Regional pricing

Provider-specific pricing that varies by region.
Azure AI Foundry logo
Azure AI Foundry
24 regions
RegionStandard
Input
$ / 1M
Cache Read
$ / 1M
Africa
South Africa North (Johannesburg)/ southafricanorth$1.75$0.175
Asia Pacific
Australia East (New South Wales)/ australiaeast$1.75$0.175
Japan East (Tokyo, Saitama)/ japaneast$1.75$0.175
Korea Central (Seoul)/ koreacentral$1.75$0.175
South India (Chennai)/ southindia$1.75$0.175
Canada
Canada East (Quebec)/ canadaeast$1.75$0.175
Europe
France Central (Paris)/ francecentral$1.93$0.193
Germany West Central (Frankfurt)/ germanywestcentral$1.93$0.193
Norway East (Norway)/ norwayeast$1.75$0.175
Poland Central (Warsaw)/ polandcentral$1.75$0.175
Spain Central (Madrid)/ spaincentral$1.75$0.175
Sweden Central (Gävle)/ swedencentral$1.75$0.193
Switzerland North (Zurich)/ switzerlandnorth$1.75$0.175
UK South (London)/ uksouth$1.75$0.175
West Europe (Netherlands)/ westeurope$1.93$0.175
Middle East
UAE North (Dubai)/ uaenorth$1.75$0.175
South America
Brazil South (Sao Paulo State)/ brazilsouth$1.75$0.175
US
Central US (Iowa)/ centralus$1.93$0.193
East US (Virginia)/ eastus$1.75$0.175
East US 2 (Virginia)/ eastus2$1.93$0.175
North Central US (Illinois)/ northcentralus$1.75$0.175
South Central US (Texas)/ southcentralus$1.93$0.193
West US (California)/ westus$1.75$0.193
West US 3 (Phoenix)/ westus3$1.75$0.193

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Codex 5.3Current
Codex 5.1Available
Codex 5.1 MaxAvailable
Codex 5.1 MiniAvailable
Codex 5.2Available
Codex Mini200K$1.50$6.00Available

Model IDs