Claude 4.1 Opus (Reasoning) vs GPT-5.2 (xhigh)

Comparing 2 AI models · 5 benchmarks · Anthropic, OpenAI

Most Affordable
OpenAI logo
GPT-5.2 (xhigh)
$1.75/1M
Highest Intelligence
OpenAI logo
GPT-5.2 (xhigh)
90.3% GPQA
Best for Coding
OpenAI logo
GPT-5.2 (xhigh)
46.7 Coding Index
Price Difference
8.6x
input cost range

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Benchmark Winners

5 tests
Anthropic logo

Claude 4.1 Opus (Reasoning)

1
  • MMLU Pro
OpenAI logo

GPT-5.2 (xhigh)

4
  • GPQA
  • HLE
  • LiveCodeBench
  • AIME 2025
Metric
Anthropic logo Claude 4.1 Opus (Reasoning)
Anthropic
OpenAI logo GPT-5.2 (xhigh)
OpenAI
Pricing
Per 1M tokens
Input Cost $15.00/1M $1.75/1M
Output Cost $75.00/1M $14.00/1M
Blended Cost 3:1 input/output ratio
$30.00/1M $4.81/1M
Specifications
Organization Model creator
Anthropic OpenAI
Release Date Launch date
Aug 5, 2025 Dec 11, 2025
Performance & Speed
Throughput Output speed
48.3 tok/s 112.9 tok/s
Time to First Token (TTFT) Initial response delay
1373ms 42184ms
Latency Time to first answer token
42778ms 42184ms
Composite Indices
Intelligence Index Overall reasoning capability
31.9 50.5
Coding Index Programming ability
35.1 46.7
Math Index Mathematical reasoning
80.3 99.0
Standard Benchmarks
GPQA Graduate-level reasoning
80.9% 90.3%
MMLU Pro Advanced knowledge
88.0% 87.4%
HLE Hard language evaluation
11.9% 35.4%
LiveCodeBench Real-world coding tasks
65.4% 88.9%
MATH 500 Mathematical problems
AIME 2025 Advanced math competition
80.3% 99.0%
AIME (Original) Math olympiad problems
SciCode Scientific code generation
40.9% 52.1%
LCR Code review capability
66.3% 72.7%
IFBench Instruction-following
55.4% 75.4%
TAU-bench v2 Tool use & agentic tasks
71.4% 84.8%
TerminalBench Hard CLI command generation
32.1% 44.0%

Key Takeaways

GPT-5.2 (xhigh) offers the best value at $1.75/1M, making it ideal for high-volume applications and cost-conscious projects.

GPT-5.2 (xhigh) leads in reasoning capabilities with a 90.3% GPQA score, excelling at complex analytical tasks and problem-solving.

GPT-5.2 (xhigh) achieves a 46.7 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Anthropic logo

Claude 4.1 Opus (Reasoning)

  • General-purpose AI
  • Versatile applications
OpenAI logo

GPT-5.2 (xhigh)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development