Is Claude Sonnet 3.5 Better Than GPT-4o?

Arva Rangwala

Anthropic, a tech company, has launched a new AI model called Claude 3.5 Sonnet. It’s designed to be faster and cheaper than their previous model, Claude 3 Opus, while also excelling in tasks like customer support and workflow management. The text compares Claude 3.5 Sonnet with GPT-4o, another leading AI model, across various tasks.

Is Claude Sonnet 3.5 Better Than GPT-4o?

Performance and Cost Comparison

AspectClaude 3.5 SonnetGPT-4o
Speed2x faster than Claude 3 Opus
Cost5x cheaper than Claude 3 Opus
Context Window200K tokens128K tokens
  • Speed: Claude 3.5 Sonnet is twice as fast as its predecessor, Claude 3 Opus.
  • Cost: It is five times cheaper than Claude 3 Opus, making it more cost-effective.
  • Context Window: It uses a larger context window (200K tokens) compared to GPT-4o (128K tokens), which can enhance its performance in tasks requiring broader context understanding.

Use Cases

  • Claude 3.5 Sonnet is recommended for:
    • Context-sensitive customer support
    • Managing multi-step workflows
    • Tasks requiring a large context window and efficient processing

Task-Specific Performance Comparison

MetricClaude 3.5 SonnetGPT-4o
Specific PerformanceGPT-4o slightly better
  • Both models achieve similar accuracy rates (60-80%), but GPT-4o shows slightly better performance in specific fields of data extraction from legal contracts.

Customer Tickets Classification

MetricClaude 3.5 SonnetGPT-4o
PerformanceBetter accuracy, lower precision than GPT-4o
  • Claude 3.5 Sonnet achieves higher accuracy (72%) than GPT-4o (65%), but GPT-4o demonstrates higher precision (86.21%), crucial for accurate classification of customer issues.

Verbal Reasoning on Math Riddles

MetricClaude 3.5 SonnetGPT-4o
StrengthsAnalogy questionsMathematical reasoning, factual accuracy
ChallengesNumerical and factual questions
  • GPT-4o outperforms Claude 3.5 Sonnet in accuracy (69% vs. 44%), particularly in numerical and factual reasoning tasks. Claude 3.5 Sonnet performs better on analogy questions but struggles with numerical and factual queries.

Performance Metrics

Latency and Throughput

  • Latency: Claude 3.5 Sonnet is faster than Claude 3 Opus but slower than GPT-4o.
  • Throughput: Claude 3.5 Sonnet’s throughput has significantly improved from Claude 3 Opus but is comparable to GPT-4o.

Benchmark Comparisons

  • Claude 3.5 Sonnet performs well in:
    • Graduate-level reasoning
    • Code tasks
    • Multilingual math tasks
  • GPT-4o generally leads in precision and overall reliability across various tasks.


While Claude 3.5 Sonnet shows strengths in certain specialized tasks and offers improved speed and cost-efficiency over its predecessor, GPT-4o generally outperforms it in precision-critical tasks like data extraction and mathematical reasoning.

For applications where precision and reliability are paramount, such as in legal data extraction or complex reasoning tasks, GPT-4o may be preferred despite potentially higher costs and slightly slower speed.

Claude 3.5 Sonnet, with its faster processing and competitive performance in certain tasks like customer support, could be a better fit for applications prioritizing cost-effectiveness and broader context understanding.

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