Andromeda Alpha vs GPT-5.4 Nano
Compare Andromeda Alpha by OpenRouter against GPT-5.4 Nano by OpenAI, context windows of 128K vs 400K, tested across 30 shared challenges. Updated April 2026.
Which is better, Andromeda Alpha or GPT-5.4 Nano?
Andromeda Alpha and GPT-5.4 Nano are both competitive models. Andromeda Alpha costs $0/M input tokens vs $0.2/M for GPT-5.4 Nano. Context windows: 128K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Andromeda Alpha and GPT-5.4 Nano
Andromeda Alpha is made by openrouter while GPT-5.4 Nano is from openai. Andromeda Alpha has a 128K token context window compared to GPT-5.4 Nano's 400K. On pricing, Andromeda Alpha costs $0/M input tokens vs $0.2/M for 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.
Style Comparison
Andromeda Alpha uses 41.1x 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.
