GPT-5.3-Codex-Spark
OpenAI · 1 configuration
Intelligence—
Input / 1M—
Output / 1M—
Context128K
Tariff: Poe · Source: models-dev · USD per million tokens
Thinking configuration
What does more thinking buy you?
Compare this model’s measured thinking configurations.
◌
No pair of measurements available
Change the filters or pick another benchmark. Missing values are not estimated.
Selected: thinking default · Click a point to switch configuration
Coding-optimized GPT model for repository edits, reviews, and agentic software work
This model is in the catalog but has no imported benchmarks. Capabilities are not estimated.
Specifications from the catalog
Inputtext
Outputtext
Tool callingYes
Structured outputYes
SpeedNot available
First tokenNot available
Maximum output16.4K
Catalog listing date2026-03-04