GPT-5.4 nano
Pioneer
GPT-5.4 nano by Pioneer costs $0.20 per 1M input tokens and $1.25 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$0.20
Output (per 1M tokens)
$1.25
Cached input (per 1M)
$0.02
Specifications
- Provider
- Pioneer
- Context window
- 1M tokens
- Parameters
- —
- Released
- Mar 2026
- Open weights
- No
- Frontier model
- No
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FAQ
How much does GPT-5.4 nano cost?
GPT-5.4 nano is priced at $0.20 per 1M input tokens and $1.25 per 1M output tokens. Output tokens cost more than input.
What is GPT-5.4 nano's context window?
GPT-5.4 nano supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is GPT-5.4 nano open weight?
No — GPT-5.4 nano is a closed/proprietary model accessed via API.
Data as of 2026-10-14. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.