Anthropic
Haiku 4.5 Pricing
The fastest and cheapest Claude model. Ideal for high-volume agent systems where speed and cost matter more than peak reasoning quality.
Token Pricing
Last updated: March 2026Input (per 1M tokens)
$1.00
Output (per 1M tokens)
$5.00
Best For
High-volume chatbotsClassification and routingSimple tool-use agentsContent moderation
Cost Scenarios
Light (50 convos/day)
5 turns/convo
$45-90/mo
Medium (500 convos/day)
5 turns/convo
$450-900/mo
Heavy (5K convos/day)
5 turns/convo
$4,500-9,000/mo
Compared To
3x cheaper than Sonnet. Use Haiku for simple tasks, Sonnet when you need stronger reasoning.
6.7x more expensive than GPT-4o Mini on input, but significantly more capable. Worth it for tool-use agents.
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