Model introduction
GPT coding model by OpenAI for code generation, repository understanding, debugging, and agentic development.
Model capabilities
Specifications come from the cited model material. Catalog tags help identify access features; use the source documentation for exact limits.
Verified specifications
- Catalog status
- Currently available on MoleAPI
- Compatible protocols
- openai, openai-response, anthropic, gemini, image-generation
- Available billing groups
- Standard, Discount, Relay
Sources: MoleAPI console pricing catalog
Model pricing and access
Prices are read directly from the MoleAPI console catalog and shown by current billing group and context tier.
Your final charge follows the account group shown in the console.
Live pricing source
Pricing table
USD / 1M tokensStandardx1defaultInput $1.75 · Output $14
Input
$1.75 / 1M tokens
Output
$14 / 1M tokens
Cache read
$0.175 / 1M tokens
Discountx0.8discountInput $1.4 · Output $11.2
Input
$1.4 / 1M tokens
Output
$11.2 / 1M tokens
Cache read
$0.14 / 1M tokens
Relayx0.3relayInput $0.525 · Output $4.2
Input
$0.525 / 1M tokens
Output
$4.2 / 1M tokens
Cache read
$0.0525 / 1M tokens
Access protocols
Available billing groups: Standard, Discount, Relay
- openai
- POST
- /v1/chat/completions
- openai-response
- POST
- /v1/responses
- anthropic
- POST
- /v1/messages
- gemini
- POST
- /v1beta/models/{model}:generateContent
- image-generation
- POST
- /v1/images/generations
About gpt-5.3-codex
This introduction is transcreated for clarity and cross-checked against the cited model material.
GPT coding model by OpenAI for code generation, repository understanding, debugging, and agentic development.
Code examples
These examples use MoleAPI's Responses API endpoint and run after you replace the API key.
curl https://api.moleapi.com/v1/responses \
-H "Authorization: Bearer $MOLEAPI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.3-codex",
"input": "Explain this problem step by step."
}'Frequently asked questions
How is gpt-5.3-codex priced?
This page reads prices from the MoleAPI console API and updates with model prices, context tiers, and account groups.
How can I access gpt-5.3-codex?
Protocols and endpoints come from the supported_endpoint_types field in the MoleAPI model catalog.
How do I switch an existing project to gpt-5.3-codex?
Keep the MoleAPI API address and key, replace the model parameter with the model ID on this page, then check protocol-specific parameter differences.
Where do the gpt-5.3-codex model details come from?
Only availability, billing, and protocol facts from the MoleAPI catalog are currently verified, so unconfirmed model specifications are not added.