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GPT-5.3-Codex
Operational· provider status pageOpenAI · ChatGPTplans & subscription pricing
API pricing — per 1M tokens
Input
$1.75
Output
$14.00
Cached input
$0.17
Batch input
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Effective from Apr 25, 2026. Source: OpenRouter API, updated twice daily.
Cost calculator
Estimated monthly cost · 70% input / 30% output split
cheapest$3.88
$3.88
$5.42
$10.10
$12.50
$75.00
Other ChatGPT models
Also: All LLM models · ChatGPTplans & subscription pricing · Token cost calculator