OpenAI: GPT-5.1-Codex-Max vs OpenAI: GPT Chat Latest
Head-to-head API cost, context, and performance comparison. Synced at 8:22:25 PM.
Executive Summary
When evaluating OpenAI: GPT-5.1-Codex-Max against OpenAI: GPT Chat Latest, the pricing structure is a key differentiator. OpenAI: GPT-5.1-Codex-Max is approximately 68% 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.
You are losing 68%
per million tokens by hardcoding OpenAI: GPT Chat Latest.
Stop guessing exactly which model to route to. Deploy the 0ms Intelligence Engine to automatically arbitrage this 68% gap in your production environment instantly.
Raw Technical comparison
Verdict
If you are looking for pure performance and capability, OpenAI: GPT-5.1-Codex-Max 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-5.1-Codex-Max cheaper than OpenAI: GPT Chat Latest?
Yes. OpenAI: GPT-5.1-Codex-Max is cheaper for both input and output generation compared to OpenAI: GPT Chat Latest. Exploring alternatives often yields cost reductions.
Which model has the larger context window?
Both models offer an identical context window of 400,000 tokens.