Claude Haiku 4.5
Efficient
The fastest, cheapest current-gen Claude. Built for high-throughput classification, summarisation and routing.
Claude Haiku 4.5 is a efficient AI model from Anthropic. It costs $0.800 per million input tokens and $4.000 per million output tokens (blended $1.760/M), with a 200,000-token context window.
INPUT
$0.800/M
per million input tokens
OUTPUT
$4.000/M
per million output tokens
CONTEXT
200,000
tokens
What it is good at
- Sub-second latency
- Affordable at scale
- 200K context
- Tool calling at speed
Typical use cases
- Routing & classification
- Bulk summarisation
- Realtime UX
- Edge inference via Bedrock
Benchmarks
vs. best public score
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.
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Frequently asked questions
How much does Claude Haiku 4.5 cost?
Claude Haiku 4.5 costs $0.800 per million input tokens and $4.000 per million output tokens, for a blended reference rate of $1.760 per million tokens.
What is Claude Haiku 4.5's context window?
Claude Haiku 4.5 supports up to 200,000 tokens of context in a single request.
What is Claude Haiku 4.5 best for?
Claude Haiku 4.5 is well suited to Sub-second latency, Affordable at scale and 200K context.
Who makes Claude Haiku 4.5?
Claude Haiku 4.5 is developed and served by Anthropic. It was released in Oct 2025.