GPT-5.3 Codex Spark
unknownOpenAI · gpt-codex-spark family
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Limits
Context128,000
Input100,000
Output32,000
Modalities
Inputtext, image, pdf
Outputtext
Release info
Release2026-02-05
Last update2026-02-05
Knowledge cutoff2025-08-31
Provider offerings
Provider-specific prices and limits stay separate from canonical model facts.
| Provider | Provider model ID | Input | Output | Context | Output limit |
|---|---|---|---|---|---|
| No visible provider offerings yet. | |||||
Capabilities
Attachments
Yes
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
No