OpenAI
GPT-5.3-Codex
Codex-tier coding and software environment model
Our editorial assessment as of Apr 24, 2026, based on the public sources listed below.
Overall rank
#23
Tier
A
Score
84.0
Main category
Coding
Strengths
- Tuned for coding and agentic tool use
- Works across software environments
- Frequent updates
Considerations
- Focused scope, less general-purpose
- API-first with fewer chat UI features
Price
Pay-as-you-go via API
Score breakdown
Performance
90.0
Reputation
82.0
Price
75.0
Recency
92.0
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
Sources
- OpenAI — ChatGPT Release NotesAccessed: 2026-04-19
- OpenAI API PricingAccessed: 2026-04-19