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ChatGPT

o3

Operational· provider status page

OpenAI · ChatGPTplans & subscription pricing

API pricing — per 1M tokens

Input

$2.00

Output

$8.00

Cached input

$0.50

Batch input

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Effective from Apr 25, 2026. Source: OpenRouter API, updated twice daily.

Price history

DateInput /1MOutput /1M
Apr 25, 2026current$2.00$8.00
Apr 5, 2026$10.00$40.00

Cost calculator

Estimated monthly cost · 70% input / 30% output split

cheapesto3$3.80
GPT-5.1 Chat$3.88
GPT-5.1-Codex$3.88
GPT-5.4 Image 2$10.10
GPT-5.5$12.50
GPT-5.5 Pro$75.00

Other ChatGPT models

GPT-5.5 Pro$30.00/1MGPT-5.5$5.00/1MGPT-5.4 Image 2$8.00/1MGPT-5.1 Chat$1.25/1MGPT-5.1-Codex$1.25/1MGPT-5.1-Codex-Mini$0.25/1Mgpt-oss-safeguard-20b$0.07/1MGPT-5 Image Mini$2.50/1M

See all ChatGPT models →

Also: All LLM models · ChatGPTplans & subscription pricing · Token cost calculator