All Models

GPT-5.3 Codex Spark

gpt-codex-spark Reasoning Tool Calling Attachments Structured Output
Providers 2
Released Feb 5, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
OpenCode Zen gpt-5.3-codex-spark $1.75/MTok $14.00/MTok 128K 128K
OpenAI gpt-5.3-codex-spark $1.75/MTok $14.00/MTok 128K 32K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output