OpenAI Codex Mini vs Sonoma Sky Alpha
Compare OpenAI Codex Mini by OpenAI against Sonoma Sky Alpha by OpenRouter, context windows of 200K vs 2.0M, tested across 9 shared challenges. Updated April 2026.
Which is better, OpenAI Codex Mini or Sonoma Sky Alpha?
OpenAI Codex Mini and Sonoma Sky Alpha are both competitive models. OpenAI Codex Mini costs $1.5/M input tokens vs $0/M for Sonoma Sky Alpha. Context windows: 200K vs 2000K tokens. Compare their real outputs side by side below.
Key Differences Between OpenAI Codex Mini and Sonoma Sky Alpha
OpenAI Codex Mini is made by openai while Sonoma Sky Alpha is from openrouter. OpenAI Codex Mini has a 200K token context window compared to Sonoma Sky Alpha's 2000K. On pricing, OpenAI Codex Mini costs $1.5/M input tokens vs $0/M for Sonoma Sky Alpha.
No community votes yet. On paper, Sonoma Sky Alpha has the edge — bigger model tier, newer, bigger context window.
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.
