GPT-5.4 Nano (xhigh)
GPT-5.4 Nano is OpenAI's most cost-effective tier, optimized for massive-scale classification and supporting subagents. It features a 400K context window at just $0.20 per million input tokens.
Leaderboards
Average Score combining domain-specific Autobench scores; Higher is better
Performance vs. Industry Average
Intelligence
GPT-5.4 Nano (xhigh) is of lower intelligence compared to average (2.9), with an intelligence score of 2.8.
Price
GPT-5.4 Nano (xhigh) is cheaper compared to average ($0.75 per 1M Tokens) with a price of $0.43 per 1M Tokens.
Latency
GPT-5.4 Nano (xhigh) has a higher average latency compared to average (44.25s), with an average latency of 93.34s.
P99 Latency
GPT-5.4 Nano (xhigh) has a higher P99 latency compared to average (126.46s), taking 262.21s to receive the first token at P99 (TTFT).
Context Window
GPT-5.4 Nano (xhigh) has a smaller context window than average (406k tokens), with a context window of 400k tokens.