GPT-5.2 vs GPT-5.4 Nano

Compare GPT-5.2 and GPT-5.4 Nano, both from OpenAI, context windows of 400K vs 400K, tested across 52 shared challenges. Updated March 2026.

Which is better, GPT-5.2 or GPT-5.4 Nano?

GPT-5.2 and GPT-5.4 Nano are both competitive models. GPT-5.2 costs $1.75/M input tokens vs $0.2/M for GPT-5.4 Nano. Context windows: 400K vs 400K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5.2 and GPT-5.4 Nano

GPT-5.2 is made by openai while GPT-5.4 Nano is from openai. GPT-5.2 has a 400K token context window compared to GPT-5.4 Nano's 400K. On pricing, GPT-5.2 costs $1.75/M input tokens vs $0.2/M for GPT-5.4 Nano.

Our Verdict
GPT-5.2
GPT-5.2
GPT-5.4 Nano
GPT-5.4 Nano

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 11x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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