Claude 3.5 Sonnet, released in mid-2024, outperformed GPT-4o on several key benchmarks. Here is what you need to know about Anthropic's flagship AI.
What Makes Claude Different
Anthropic was founded by former OpenAI researchers focused on AI safety. Claude is more likely to acknowledge uncertainty, refuse edge cases thoughtfully, and produce nuanced responses on complex topics.
Claude 3.5 Sonnet Performance
- Coding (HumanEval): 92% - higher than GPT-4o (90.2%)
- Graduate-level reasoning (GPQA): 59.4% - best in class
- Writing quality: Consistently rated highest by human evaluators
The 200k Token Context Window
Claude handles 200,000 tokens (about 150,000 words) - far larger than GPT-4o's 128k. You can feed it an entire novel, a company annual report, or a large codebase and ask questions about the whole document.
Writing Quality
Many professional writers prefer Claude over ChatGPT for long-form content. The prose is less generic, better at maintaining consistent voice, and less likely to produce the telltale AI writing style that content detectors flag.
Weaknesses
- No image generation (unlike DALL-E 3 in ChatGPT)
- No plugin platform
- More conservative on edge-case requests
Verdict
Claude 3.5 Sonnet is the best AI assistant for writing and complex reasoning. At $20/month, Claude Pro is a credible - and for certain tasks, superior - alternative to ChatGPT Plus.