GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh): The Ultimate Performance & Pricing Comparison

Deep dive into reasoning, benchmarks, and latency insights.

The Final Verdict in the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) Showdown

After a comprehensive analysis, GPT-5.1 Codex mini (high) emerges as the superior choice for users prioritizing raw intelligence and reasoning. However, GPT-5.2 Codex (xhigh) remains a highly competitive option, especially for scenarios demanding faster response times and cost-efficiency. This detailed GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) comparison will break down every critical metric to help you make the best decision.

Explore best-for scenarios•Let the AI Selector recommend next steps

Model Snapshot

Key decision metrics at a glance.

GPT-5.1 Codex mini (high)

OpenAI

Reasoning: 9
Coding: 4
Multimodal: 3
Long Context: 5
Blended Price / 1M tokens: $0.001
P95 Latency: 1000ms
Tokens per second: 85.505tokens/sec

GPT-5.2 Codex (xhigh)

OpenAI

Reasoning: 6
Coding: 4
Multimodal: 4
Long Context: 6
Blended Price / 1M tokens: $0.005
P95 Latency: 1000ms
Tokens per second: 118.561tokens/sec

Overall Capabilities

The capability radar provides a holistic view of the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) matchup. This chart illustrates each model's strengths and weaknesses at a glance, forming a cornerstone of our GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) analysis.

This radar chart visually maps the core capabilities (reasoning, coding, math proxy, multimodal, long context) of `GPT-5.1 Codex mini (high)` vs `GPT-5.2 Codex (xhigh)`.

Benchmark Breakdown

For a granular look, this chart directly compares scores across standardized benchmarks. In the critical MMLU Pro test, a key part of the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) debate, GPT-5.1 Codex mini (high) scores 90 against GPT-5.2 Codex (xhigh)'s 60. This data-driven approach is essential for any serious GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) comparison.

This grouped bar chart provides a side-by-side comparison for each benchmark metric.

Speed & Latency

Speed is a crucial factor in the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) decision for interactive applications. The metrics below highlight the trade-offs you should weigh before shipping to production.

Time to First Token

GPT-5.1 Codex mini (high)300ms

GPT-5.2 Codex (xhigh)300ms

Tokens per Second

GPT-5.1 Codex mini (high)85.505

GPT-5.2 Codex (xhigh)118.561

Head to the playground to validate these results yourself

The Economics of GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh)

Power is only one part of the equation. This GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) pricing analysis gives you a true sense of value.

Pricing Breakdown

Compare input and output pricing at a glance.

Real-World Cost Scenario

To process 1M input tokens and generate 250k output tokens, GPT-5.1 Codex mini (high) would cost $0.001, whereas GPT-5.2 Codex (xhigh) would cost $0.005. This practical calculation is vital for any developer considering the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) choice.

Review the complete pricing and packaging strategy

Which Model Wins the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) Battle for You?

Choose GPT-5.1 Codex mini (high) if...

Your top priority is raw performance and capability.

You are working in a technical or scientific field requiring the highest accuracy.

You need the most advanced reasoning capabilities available.

Choose GPT-5.2 Codex (xhigh) if...

You are developing at scale where operational costs are critical.

You prioritize cost-effectiveness over maximum performance.

Your workload requires consistent, reliable performance.

Explore all Best picks Use the AI Selector for a tailored recommendation

Your Questions about the GPT-5.1 Codex mini (high) vs GPT-5.2 Codex (xhigh) Comparison

Review the full evaluation methodology · Read the latest analysis posts

Data source: https://artificialanalysis.ai/