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OpenAI GPT-5 Nano

Helicone

OpenAI GPT-5 Nano by Helicone costs $0.05 per 1M input tokens and $0.40 per 1M output tokens, with a 400K-token context window.

Pricing

Input (per 1M tokens)
$0.05
Output (per 1M tokens)
$0.40
Cached input (per 1M)
$0.01

Specifications

Provider
Helicone
Context window
400K tokens
Parameters
—
Released
Jan 2025
Open weights
No
Frontier model
No

Compare OpenAI GPT-5 Nano with…

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.