Chat & Reasoning Model · Anthropic

Claude Haiku 4.5

Claude Haiku 4.5 is the fastest and cheapest Claude model — built for real-time chat, high-volume tasks, and latency-sensitive work. In TeamDay it runs on the Claude Code harness.

At a glance (verified 2026-07-18)

Vendor
Anthropic
Type
Chat & Reasoning Model
Pricing
Base: $1 in / $0.10 cache hits / $5 out per 1M tokens. Cache writes: $1.25 5m / $2 1h.

Best for

Real-time chatHigh-volume tasksLatency-sensitive workCost control

How to use Claude Haiku 4.5 in TeamDay

Select Claude Haiku 4.5 in TeamDay's chat model picker on the Claude Code harness for fast, high-volume work.

Frequently asked questions

How much does Claude Haiku 4.5 cost?

Base pricing is $1 per 1M input tokens, $0.10 for cache hits, and $5 per 1M output tokens; cache writes cost $1.25 (5-minute) or $2 (1-hour).

What is Claude Haiku 4.5 best for?

It is the fastest and cheapest Claude model — pick it for real-time chat, high-volume tasks, or anything latency-sensitive.

Is Claude Haiku 4.5 available in TeamDay?

Yes — it is one of four Claude models in TeamDay's chat model picker on the Claude Code harness.

Related

Claude Haiku 4.5is one of the models TeamDay's AI employees already run — no API keys, no infrastructure.

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