Claude 3.5 Haiku is Anthropic’s fastest model, featuring enhancements across coding, tool use, and reasoning. It is optimized for high interactivity and low latency, making it ideal for user-facing chatbots, on-the-fly code completions, data extraction, and real-time content moderation. The model does not support image inputs.
Retired on Aug 27, 2026: requests to this model ID now return an error. These models are live and work with the same API key.
Claude 3.5 Haiku is Anthropic’s fastest model, featuring enhancements across coding, tool use, and reasoning. It is optimized for high interactivity and low latency, making it ideal for user-facing chatbots, on-the-fly code completions, data extraction, and real-time content moderation.
No. Claude 3.5 Sonnet was retired on NagaAI on Aug 27, 2026, and requests to it now return an error. Live models you can use instead with the same API key: Claude Haiku 5.5, Claude Sonnet 5.5 and Claude Opus 5.5.
It takes text, images and files as input and returns text.
