OpenAI: GPT-5.2-Codex vs OpenAI: GPT-5.1-Codex-Max
Head-to-head API cost, context, and performance comparison. Synced at 2:36:32 PM.
Executive Summary
When evaluating OpenAI: GPT-5.2-Codex against OpenAI: GPT-5.1-Codex-Max, the pricing structure is a key differentiator. OpenAI: GPT-5.1-Codex-Max is approximately 29% more cost-effective per 1 million tokens overall.
However, when looking at raw reasoning capabilities, OpenAI: GPT-5.1-Codex-Max leads with a statistical ELO score of 1506. For tasks involving complex logic, coding, or instruction-following, developers might prefer OpenAI: GPT-5.1-Codex-Max, provided their budget allows for the API burn rate.
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Raw Technical comparison
Verdict
If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, OpenAI: GPT-5.1-Codex-Max wins out aggressively in pricing.
People Also Ask
Is OpenAI: GPT-5.2-Codex cheaper than OpenAI: GPT-5.1-Codex-Max?
No. OpenAI: GPT-5.1-Codex-Max is the more cost-effective model, operating at a lower price point per 1 million tokens.
Which model has the larger context window?
Both models offer an identical context window of 400,000 tokens.