GPT-5.2 vs Aurora Alpha
Compare GPT-5.2 by OpenAI against Aurora Alpha by OpenRouter, context windows of 400K vs 128K, tested across 52 shared challenges. Updated April 2026.
Which is better, GPT-5.2 or Aurora Alpha?
GPT-5.2 and Aurora Alpha are both competitive models. GPT-5.2 costs $1.75/M input tokens vs $0/M for Aurora Alpha. Context windows: 400K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.2 and Aurora Alpha
GPT-5.2 is made by openai while Aurora Alpha is from openrouter. GPT-5.2 has a 400K token context window compared to Aurora Alpha's 128K. On pricing, GPT-5.2 costs $1.75/M input tokens vs $0/M for Aurora Alpha.
No community votes yet. On paper, GPT-5.2 has the edge — bigger model tier, bigger context window, major provider backing.
Style Comparison
GPT-5.2 uses 2.0x more transitions
Ask 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.





