Claude 3.5 Haiku

Anthropic's fastest model that matches Claude 3 Opus performance at similar speed to previous-gen Haiku. Released October 2024 with July 2024 training cutoff. Achieves 40.6% on SWE-bench Verified, outperforming agents using Claude 3.5 Sonnet and GPT-4o. Features 200K context window and 8K max output. Surpasses Claude 3 Opus on intelligence benchmarks while maintaining Haiku-class speed. Pricing: $0.80 per 1M input, $4 per 1M output (revised Dec 2024). Supports prompt caching (90% savings) and Message Batches API (50% savings).