GPT-5.2 Chat vs OpenAI o3
Compare GPT-5.2 Chat and OpenAI o3, both from OpenAI, tested across 53 shared challenges. Updated April 2026.
Which is better, GPT-5.2 Chat or OpenAI o3?
GPT-5.2 Chat and OpenAI o3 are both competitive models. GPT-5.2 Chat costs $1.75/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between GPT-5.2 Chat and OpenAI o3
GPT-5.2 Chat is made by openai while OpenAI o3 is from openai. On pricing, GPT-5.2 Chat costs $1.75/M input tokens vs $10/M for OpenAI o3.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Style Comparison
GPT-5.2 Chat uses 30.6x more emoji
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.
