OpenAIgpt-5.3-codex

OpenAI: GPT-5.3-Codex API Pricing

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 capabili...

Base Input Price$1.75/ 1M tokens

Base Output Price$14.00/ 1M tokens

Prompt Cache Read$0.175-90% discount

Batch API Rate-50%24h async offload

Inference Hosts & Aggregator Providers

Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates

Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
OpenAI Direct	$1.75	$14.00	Supported	Connect
OpenRouter	$1.75	$14.00	Supported	Connect

Head-to-Head Comparisons for OpenAI: GPT-5.3-Codex

OpenAI: GPT-5.3-Codex vs OpenAI: GPT-6.1 Sol$1.75/M vs $2/M

OpenAI: GPT-5.3-Codex vs GPT-4o (Omni)$1.75/M vs $2.5/M

OpenAI: GPT-5.3-Codex vs Claude 3.5 Sonnet$1.75/M vs $3/M

OpenAI: GPT-5.3-Codex vs DeepSeek-V3 (deepseek-chat)$1.75/M vs $0.27/M