GPT-5.2 Pro vs GPT-5.4
Compare GPT-5.2 Pro and GPT-5.4, both from OpenAI, context windows of 400K vs 1.1M, tested across 31 shared challenges. Updated April 2026.
Which is better, GPT-5.2 Pro or GPT-5.4?
GPT-5.2 Pro and GPT-5.4 are both competitive models. GPT-5.2 Pro costs $21/M input tokens vs $2.5/M for GPT-5.4. Context windows: 400K vs 1050K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.2 Pro and GPT-5.4
GPT-5.2 Pro is made by openai while GPT-5.4 is from openai. GPT-5.2 Pro has a 400K token context window compared to GPT-5.4's 1050K. On pricing, GPT-5.2 Pro costs $21/M input tokens vs $2.5/M for GPT-5.4.
No community votes yet. On paper, GPT-5.4 has the edge — newer, bigger context window.
GPT-5.4 is 11x cheaper per token — worth considering if cost matters.
Style Comparison
GPT-5.2 Pro uses 2.1x more bold
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
