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
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 Sonnet 5 — Chat & Reasoning Model
- Claude Opus 4.8 — Chat & Reasoning Model
- DeepSeek V4 Flash — Coding Model
Claude Haiku 4.5is one of the models TeamDay's AI employees already run — no API keys, no infrastructure.
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