OpenAI Codex Mini vs DeepSeek Prover V2
Compare OpenAI Codex Mini by OpenAI against DeepSeek Prover V2 by DeepSeek, context windows of 200K vs 164K, tested across 6 shared challenges. Updated April 2026.
Which is better, OpenAI Codex Mini or DeepSeek Prover V2?
OpenAI Codex Mini and DeepSeek Prover V2 are both competitive models. OpenAI Codex Mini costs $1.5/M input tokens vs $0/M for DeepSeek Prover V2. Context windows: 200K vs 164K tokens. Compare their real outputs side by side below.
Key Differences Between OpenAI Codex Mini and DeepSeek Prover V2
OpenAI Codex Mini is made by openai while DeepSeek Prover V2 is from deepseek. OpenAI Codex Mini has a 200K token context window compared to DeepSeek Prover V2's 164K. On pricing, OpenAI Codex Mini costs $1.5/M input tokens vs $0/M for DeepSeek Prover V2.
No community votes yet. On paper, DeepSeek Prover V2 has the edge — bigger model tier.
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.
