gpt-5.3-codex
OpenAIgpt-5.3-codex
Access this model through the unified TokenByte API to build and scale production AI applications quickly.
API Pricing
Price typeBilling expression
Official price
Base pricingPricing tier: base
- Input usage × $3.00
- Output usage × $15.00
GPT_Pro×0.330% of official list price
Base pricingPricing tier: base
- Input usage × $0.90
- Output usage × $4.50
Group multiplier: x0.3
Official pricing is subject to the model provider's latest published pricing and may vary by request method or service region. GPT_Pro — TokenByte channel pricing. Actual prices and availability reflect current platform data.
Model information
Model providerOpenAI
Model IDgpt-5.3-codex
Context window400000
InputTextImage
OutputText