AI Tool Profile

GPT-5.3-Codex-Spark

OpenAI released GPT-5.3-Codex-Spark, a smaller ultra-fast Codex model designed for real-time coding collaboration and low-latency edits.

Verification & Sources

Evidence state
Recheck due
Source links
2
Freshness
Needs recheck: checked June 8, 2026
Last updated
June 8, 2026
What this evidence state means
Definition
The claim was previously checked, but its review window expired or a material change may have invalidated it.
Required provenance
The prior evidence and check date are retained, together with the expiry or change signal that triggered recheck.
Owner
Kingy freshness queue owner and assigned editorial reviewer
Freshness rule
This is already outside its freshness rule. It must not be presented as current until reviewed against current evidence.
Disputes and corrections
Use “Suggest a correction” on the record. Kingy editorial reviews the cited evidence, records material corrections, and changes or removes the state when it is not supported.
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What It Does

OpenAI released GPT-5.3-Codex-Spark, a smaller ultra-fast Codex model designed for real-time coding collaboration and low-latency edits.

Launch History

AI Agents

OpenAI launches GPT-5.3-Codex-Spark for real-time coding in Codex

OpenAI released GPT-5.3-Codex-Spark, a smaller ultra-fast Codex model designed for real-time coding collaboration and low-latency edits.

Recheck due Free: No API: Yes Open: No
Clear use caseVideo demoDeveloper-friendly

Codex-Spark matters because speed changes how coding agents feel in interactive sessions.