OpenAI Codex Mini vs Google: Gemma 4 31B
Compare OpenAI Codex Mini by OpenAI against Google: Gemma 4 31B by Google AI, context windows of 200K vs 262K, tested across 7 shared challenges. Updated April 2026.
Which is better, OpenAI Codex Mini or Google: Gemma 4 31B?
OpenAI Codex Mini and Google: Gemma 4 31B are both competitive models. OpenAI Codex Mini costs $1.5/M input tokens vs $0.14/M for Google: Gemma 4 31B. Context windows: 200K vs 262K tokens. Compare their real outputs side by side below.
Key Differences Between OpenAI Codex Mini and Google: Gemma 4 31B
OpenAI Codex Mini is made by openai while Google: Gemma 4 31B is from google. OpenAI Codex Mini has a 200K token context window compared to Google: Gemma 4 31B's 262K. On pricing, OpenAI Codex Mini costs $1.5/M input tokens vs $0.14/M for Google: Gemma 4 31B.
No community votes yet. On paper, Google: Gemma 4 31B has the edge — bigger model tier, newer.
Google: Gemma 4 31B is 15x cheaper per token — worth considering if cost matters.
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.
