Openai
OpenAI: GPT-5.3-Codex
Openai
Input / M
Routed + Vendor
Output / M
Context
Max Output
128K
Usage
Unranked
Quality
67.7 / 100
Providers
2
Best Uptime 30m
100.00%
Latency (p50)
1884 ms
Throughput
82.0 tok/s
Released
February 24, 2026
Modalities
text, image, file
Vendor-direct listin $1.75 · out $14.00Vendor list price (AWS Bedrock / Google Vertex / Azure / OpenAI-direct). No live telemetry.Markup 0.0%
About
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results.
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
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<a href="https://whatmodel.app/models/e223b4d7-3819-443c-b76a-d9ca96952bd9"><img src="https://whatmodel.app/api/public/embed/score/e223b4d7-3819-443c-b76a-d9ca96952bd9" alt="OpenAI: GPT-5.3-Codex WM Score" height="26" /></a>Image URL
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