Anthropic/Starter+
Claude Haiku 5.5
Anthropic's fastest model — frontier-subagent quality at $0.10/$0.50 per million tokens for prompts up to 100K.
1M tokens
Context Window
Starter+
Minimum Plan
Anthropic
Provider
Best for
High-volume subagents, quick edits, classification, summaries, computer-use and support automation
Strengths
Up to 234 tokens/second — Anthropic's fastest model
OSWorld 2.1: 72.4% on computer use
Adjustable effort setting from low to max
When to use
Choose Claude Haiku 5.5 for speed-sensitive, high-volume work — subagents, quick lookups, summaries — and as the cheap worker alongside a larger Claude model.
Limitations
Prompts over 100K tokens price 5× higher ($0.50/$2.50) — route very long contexts to GPT-6 Luna or GLM-5.3 Flash instead.
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