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OpenAI GPT-5.3 Codex

gpt-codex Reasoning Tool Calling Attachments Structured Output

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Providers 1
Released Feb 5, 2026
Input Modalities text, image
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
DigitalOcean openai-gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output