GPT-5.4 Nano vs GPT-5.4 Pro

Compare GPT-5.4 Nano and GPT-5.4 Pro, both from OpenAI, context windows of 400K vs 1.1M, tested across 18 shared challenges. Updated March 2026.

Which is better, GPT-5.4 Nano or GPT-5.4 Pro?

GPT-5.4 Nano and GPT-5.4 Pro are both competitive models. GPT-5.4 Nano costs $0.2/M input tokens vs $30/M for GPT-5.4 Pro. Context windows: 400K vs 1050K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5.4 Nano and GPT-5.4 Pro

GPT-5.4 Nano is made by openai while GPT-5.4 Pro is from openai. GPT-5.4 Nano has a 400K token context window compared to GPT-5.4 Pro's 1050K. On pricing, GPT-5.4 Nano costs $0.2/M input tokens vs $30/M for GPT-5.4 Pro.

Our Verdict
GPT-5.4 Pro
GPT-5.4 Pro
GPT-5.4 Nano
GPT-5.4 NanoRunner-up

No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, bigger context window.

GPT-5.4 Nano is 144x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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