Expired70% confidenceFactExact time
Haiku is the lightweight, high-speed, low-cost model in the Anthropic Claude series, corresponding to the more powerful but more expensive Sonnet and Opus.
2
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
Base44 in Practice: How Claude Code Powered Rapid Scaling from 1 to 80 People
bilibiliGelai_AI7/5/2026
Related Claims
UnverifiedClaude Haiku 4.5 can already match the previous generation flagship model Sonnet 4 in programming performance76% similarUnverifiedClaude Sonnet is the mid-range version of Anthropic's model family that balances performance and speed, positioned between the lightweight Haiku and the flagship Opus.75% similarVerifiedIn Anthropic's model naming system, Opus represents the most powerful version, Sonnet is the mid-tier version, and Haiku is the lightweight version.70% similarUnverifiedClaude Haiku 4.5 surpassed Claude Sonnet 4 in Computer Use capability.70% similarUnverifiedWithin Anthropic's product line, the Opus series focuses on the strongest reasoning capability, the Haiku series focuses on being lightweight and fast, and the Sonnet series strikes a balance between the two.69% similar
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