GPT-5.3-Codex

by OpenAI · openai/gpt-5.3-codex

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...

Input / 1M tokens
$1.75
Output / 1M tokens
$14.00
Context
400K

Specs

Input price$1.75 / 1M tokens
Output price$14.00 / 1M tokens
Cached input$0.175 / 1M tokens
Context window400K tokens
Max output128K tokens
Readstext, image, file
Writestext
Tool callingYes
ReasoningYes
ListedFeb 24, 2026

List prices in USD, updated Oct 30, 2026. Providers may charge differently.

Providers

3 providers serve this model, as of Oct 30, 2026, 18:12 UTC.

Providers serving this model, sorted by price
ProviderContextMax outputInput / 1MOutput / 1MCache read / 1MUptime (30 min)Latency (median)Throughput (median)SupportsStatus
Azure400K128K$1.75$14.00$0.175—5.10 s51 tok/sNormal
OpenAIFastest400K128K$1.75$14.00$0.175100%2.50 s67 tok/sNormal
OpenAI400K128K$3.50$28.00$0.35———Normal

"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.