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OpenAI GPT-5.4 nano: API pricing 2026

Cheapest OpenAI tier. Suitable for classification, simple extraction.

Input $/M tokens
$0.20
Output $/M tokens
$1.25
Cost / task
$0.0019
3k in + 1k out
Tier
small
OpenAI

Cost at common task volumes

1,000 tasks / yr$1.85
10,000 tasks / yr$18.50
100,000 tasks / yr$185
1,000,000 tasks / yr$1,850

Token shape: 3,000 input + 1,000 output per task. No prompt caching. Real cost varies with your actual prompt shape.

Source

https://openai.com/api/pricing

Verified 2026-06-02.

Compare with other LLMs
Claude Opus 4.7$0.0400Claude Sonnet 4.6$0.0240Claude Haiku 4.5$0.0080OpenAI GPT-5.4$0.0225OpenAI GPT-5.4 mini$0.0067Gemini 2.5 Flash$0.0034Gemini 2.5 Flash-Lite$0.0007Grok 4.3$0.0063