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Anthropic
Claude 4
Closed source3 variants
Claude Haiku 4.5
instructAnthropic's fastest and most compact Claude model — near-instant responses for lightweight tasks and high-throughput use cases.
200K tokens$1 in · $5 out / 1MTransformerProprietary
Claude Haiku 4.5
31.6%Claude Sonnet 4.6
83.7%Claude Opus 4.6
74.1%Fixed HAIKU MODEL baseline
instruct
Anthropic's most intelligent Claude model — best for complex agentic workflows, coding, and long-horizon reasoning tasks.
200K tokens$5 in · $25 out / 1MTransformer
instruct
Anthropic's balanced Claude Sonnet — optimal mix of intelligence, speed, and cost for production AI applications.
200K tokens$3 in · $15 out / 1MTransformer
