All models
Anthropic

Claude Haiku 4.5

Anthropic's October 2025 small model: fast, good at everyday coding and reading images, 200K context. Mainstream filters, cautious on controversial topics. Claude Haiku 5.5 now costs about a tenth as much, so the switch is easy.

MainstreamThe big labs' models with their own safety filters. Best for work, code and research.
Quick
Intelligence
~3.06 credits
Estimated price per message
200K tokens
Context window
Text, Images
Reads

Claude Haiku 4.5 is a legacy model. Its successor, Claude Haiku 5.5, is faster or cheaper - and chats that used Claude Haiku 4.5 move to it automatically.

See Claude Haiku 5.5

The facts

Made by
Anthropic
Content tier
MainstreamThe big labs' models with their own safety filters. Best for work, code and research.
Intelligence
Quick
Estimated price per message
~3.06 credits≈ 32 messages for $1
Context window
200K tokens≈ 308 pages of text in one go
Reads
Text, Images
Writes
Text
Tool use
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
Status
Legacy

A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.

Try Claude Haiku 4.5 now.

No subscription. Free credits to start. The chat opens with Claude Haiku 4.5 selected and a prompt ready - just send.