All ModelscodeGPT-5.3 Codex

GPT-5.3 Codex

by OpenAIPremium

Try on Kunya

Most capable agentic coding model with frontier reasoning

Detailed content for this model is coming soon.

Pricing

Input$2.275 per 1M tokens
Output$18.2 per 1M tokens
Context Window400K

Capabilities

Streaming Yes
Vision No
Reasoning No
Tool Use No
ProviderOpenAI
Try on Kunya

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