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GPT 5.4 Nano

NanoGPT

GPT 5.4 Nano by NanoGPT costs $0.20 per 1M input tokens and $1.25 per 1M output tokens, with a 400K-token context window.

Pricing

Input (per 1M tokens)
$0.20
Output (per 1M tokens)
$1.25
Cached input (per 1M)
$0.02

Specifications

Provider
NanoGPT
Context window
400K tokens
Parameters
Released
Mar 2026
Open weights
No
Frontier model
No

Benchmarks

LiveBenchreasoning/coding
71.3
LMArena (Chatbot Arena) Elohuman-preference
1374.0

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FAQ

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