Claude Models เบื้องต้น
Nikhil Rangarajan
Data Scientist
system_msg = "Be helpful." # Weak system_msg = "You are a technical writer. Use active voice, under 100 words, actionable advice only." # Strong messages = [{"role": "user", "content": "How do I improve documentation?"}] response = client.messages.create(model="claude-sonnet-4-6", max_tokens=150, system=system_msg, messages=messages)
system_msg = "Be helpful." # Weak
system_msg = "You are a technical writer. Use active voice, under 100 words, actionable advice only." # Strong
messages = [{"role": "user", "content": "How do I improve documentation?"}] response = client.messages.create(model="claude-sonnet-4-6", max_tokens=150, system=system_msg, messages=messages)
$$
# Role-based "You are a customer service rep." # Constraint-based "Respond in exactly 3 bullet points, max 50 words." # Tone-based "Use enthusiastic, encouraging tone." # Task-specific "Debug Python code. Always ask for error messages first."
# System message causing issues "Be concise and helpful." # Problem: Responses too short, # missing context "Provide helpful responses in 2-3 sentences. Include relevant context but avoid unnecessary details." # Test with various prompts
system_msg = """Code reviewer. Priority: 1) Security 2) Performance 3) Style If no issues: "Code looks good" + suggest improvement Example: "Security: No issues. Performance: Consider caching here." """ messages = [{"role": "system", "content": system_msg}, {"role": "user", "content": "Review: [code]"}]
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