Last updated: April 5, 2026 · Reviewed by Daniel Ashford
🔥 GPT-5.3 Codex — Review & Scores
by OpenAI · Rank #2 · Frontier
Strongest code generation model. Fast inference, massive ecosystem, and best developer tooling integration.
LLM JUDGE INDEX™
95.2
+1.4/week
Evaluation Scores
🎯 Accuracy96
🧠 Reasoning95
🛡️ Safety93
💻 Coding97
✨ Creativity94
📋 Instruction96
Specifications & Pricing
Input
$10/M
Output
$30/M
Context
128K
Latency
1.8s
Arena
#2
Index
95.2
DA
Daniel Ashford
Founder & Lead Evaluator · 200+ models evaluated