Claude 3 Family

Quick Facts

• Released: March 2024
• Variants: Opus, Sonnet, Haiku
• Context: 200K tokens
• Multimodal: Vision support
• Architecture: Improved alignment and reasoning

Opus (Flagship)

• Size: ~200B parameters
• Performance: Near GPT-4
• Cost: Premium ($15/input, $75/output per 1M)
• Best For: Complex reasoning, maximum quality

Sonnet (Balanced)

• Size: ~55B parameters
• Performance: Excellent balance
• Cost: Moderate ($3/input, $15/output per 1M)
• Best For: Production systems

Haiku (Efficient)

• Size: ~8B parameters
• Performance: Fast and capable
• Cost: Budget ($0.80/input, $4/output per 1M)
• Best For: High-volume applications

Benchmarks

• MMLU: 88.7% (Opus)
• HumanEval: 92.0% (Opus)
• GSM8K: 95.3% (Opus)
• Safety: Industry-leading

Current Status

Production-ready, frontier-grade performance with superior safety.