Model Comparison

Claude 3 Opus
vs. Claude 4 Opus (Reasoning)

Comparing 2 AI models · 6 benchmarks · Anthropic

Chat with Claude

Most Affordable

Anthropic logo Claude 3 Opus

$15.00/1M

Highest Intelligence

Anthropic logo Claude 4 Opus (Reasoning)

79.6% GPQA

Best for Coding

Anthropic logo Claude 4 Opus (Reasoning)

34.0 Coding Index

Price Difference

1.0x

input cost range

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Benchmark Winners

6 tests
Anthropic logo

Claude 3 Opus

0

No clear wins

Anthropic logo

Claude 4 Opus (Reasoning)

6
  • GPQA
  • MMLU Pro
  • HLE
  • LiveCodeBench
  • MATH 500
  • AIME 2025
Metric
Anthropic logo Claude 3 Opus
Anthropic
Anthropic logo Claude 4 Opus (Reasoning)
Anthropic
Pricing per 1M tokens
Input Cost $15.00/1M$15.00/1M
Output Cost $75.00/1M$75.00/1M
Blended (3:1) $30.00/1M $30.00/1M
Specifications
Organization AnthropicAnthropic
Release Date Mar 4, 2024May 22, 2025
Performance & Speed
Throughput 36.8 tok/s
TTFT 7171ms
Latency 7171ms
Composite Indices
Intelligence 18.039.0
Coding 19.534.0
Math 73.3
Standard Benchmarks
GPQA 48.9%79.6%
MMLU Pro 69.6%87.3%
HLE 3.1%11.7%
LiveCodeBench 27.9%63.6%
MATH 500 64.1%98.2%
AIME 2025 73.3%
AIME (Original) 3.3%75.7%
SciCode 23.3%39.8%
LCR 33.7%
IFBench 53.7%
TAU-bench v2 73.4%
TerminalBench Hard 31.1%

Key Takeaways

Claude 3 Opus offers the best value at $15.00/1M, making it ideal for high-volume applications and cost-conscious projects.

Claude 4 Opus (Reasoning) leads in reasoning capabilities with a 79.6% GPQA, excelling at complex analytical tasks and problem-solving.

Claude 4 Opus (Reasoning) reaches a 34.0 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 3 Opus

  • Cost-sensitive applications
  • High-volume processing
Anthropic logo

Claude 4 Opus (Reasoning)

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
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AI Model Comparison Guide

Compare large language models (LLMs) side-by-side with detailed benchmark scores, pricing, and performance metrics. Our interactive comparison tool helps you evaluate AI models from OpenAI, Anthropic, Google, Meta, DeepSeek, and other leading providers. Use our AI model leaderboard to discover more models to compare.

Understanding Composite Indices

  • Intelligence Index: Aggregated score combining MMLU-Pro, GPQA, and HLE benchmarks - measures overall reasoning and knowledge capabilities
  • Coding Index: Composite metric from LiveCodeBench, SciCode, and LiveCodeBench Review - evaluates programming proficiency across multiple languages
  • Math Index: Combined score from AIME, AIME 2025, and MATH-500 benchmarks - assesses mathematical reasoning from high school to competition level

Key Comparison Metrics

  • Benchmark Scores: Standardized tests measuring intelligence, coding, math, and specialized capabilities - higher percentages indicate better performance
  • Pricing Analysis: Compare input and output token costs across models - critical for budgeting API usage and scaling applications
  • Performance Metrics: Throughput (tokens/second) and latency measurements for real-time application planning
  • Context Windows: Maximum token capacity for processing documents and maintaining conversation history

How to Compare AI Models Effectively

Performance vs Cost

Balance benchmark scores against token pricing - flagship models offer 10-15% better performance but cost 5-10x more than smaller alternatives

Task-Specific Selection

Prioritize relevant indices: coding index for development tasks, math index for STEM applications, intelligence index for general reasoning

Real-World Testing

Use our free AI chat interface to test models with your specific prompts before committing to API integration

All benchmark scores, pricing data, and performance metrics are sourced from Artificial Analysis and updated daily. Compare models by intelligence, coding ability, math performance, speed, cost, or release date using our comprehensive AI model leaderboard.