GPT-5.4 Nano
Nothing here. The model returned empty. We stared at it for a while.
GPT-5.4 Nano vs GPT-5
Compare GPT-5.4 Nano and GPT-5, both from OpenAI, context windows of 400K vs 400K, tested across 46 shared challenges. Updated March 2026.
Which is better, GPT-5.4 Nano or GPT-5?
GPT-5.4 Nano and GPT-5 are both competitive models. GPT-5.4 Nano costs $0.2/M input tokens vs $1.25/M for GPT-5. Context windows: 400K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.4 Nano and GPT-5
GPT-5.4 Nano is made by openai while GPT-5 is from openai. GPT-5.4 Nano has a 400K token context window compared to GPT-5's 400K. On pricing, GPT-5.4 Nano costs $0.2/M input tokens vs $1.25/M for GPT-5.
Our Verdict
GPT-5.4 Nano
GPT-5
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-5.4 Nano is 8.0x cheaper per token — worth considering if cost matters.
Too close to call
FAQ
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