Anthropic's thoughtful, long-context AI
Claude by Anthropic is known for its long context window (up to 200K tokens), nuanced reasoning, and safe, helpful responses. It excels at document analysis, careful writing, and tasks requiring deep understanding of large amounts of text.
Free tier available on claude.ai
Common use cases where Claude excels
Upload entire PDFs, contracts, or research papers and ask detailed questions about them.
Claude produces nuanced, well-structured prose that avoids the generic AI tone.
Explain, audit, and improve existing codebases with detailed reasoning.
Synthesize large bodies of text into clear summaries with cited reasoning.
Expert techniques to get the best results from Claude
Paste entire documents, codebases, or transcripts. Claude can reason across all of it at once — something most models can't match.
Prompt Claude to 'think step by step' or 'explain your reasoning'. It produces more accurate and auditable outputs when asked to show its work.
Claude responds well to structured prompts using XML-style tags: <document>, <instructions>, <examples>. This reduces ambiguity.
Tell Claude what NOT to do as clearly as what to do. 'Do not include caveats', 'Do not use bullet points', 'Keep it under 300 words'.