Claude Haiku 4.5

Official

anthropic/claude-haiku-4.5

The lowest-cost current-generation Claude. Fast and strong at classification, routing, extraction, and summarization. 200K-token context. Use for high-volume, latency-sensitive tasks.

200K contextVisionReasoningTool callingCodingPrompt cache

Pricing

Source: official_x0.3 · Verified 2026-06-01

InputOfficial $1 / M tokens

$0.3/ M tokensSave 70%

OutputOfficial $5 / M tokens

$1.5/ M tokensSave 70%

Cache read $0.03/M · Cache write $0.375/M

Estimate cost

Input tokensOutput tokens

Estimated cost$0.0045

Protocols

OpenAI Chat CompletionsStatus: Not supported—
OpenAI ResponsesStatus: Not supported—
Anthropic MessagesStatus: Available: Streaminghttps://api.onehop.ai/anthropic
Google Vertex AIStatus: Not supported—
OpenAI ImagesStatus: Not supported—
OpenAI SoraStatus: Not supported—

Try it in the chat playground

Call IDs

Use either ID to call this model via the API.

OneHop nameanthropic/claude-haiku-4.5

Official IDclaude-haiku-4-5

Usable Model IDs

You can use these names directly in the request model field.

claude-haiku-4-5

Try it

Replace the ONEHOP_KEY placeholder with your API key. Create one →

from anthropic import Anthropic

client = Anthropic(
    base_url="https://api.onehop.ai/anthropic",
    api_key="<ONEHOP_KEY>",
)

message = client.messages.create(
    model="anthropic/claude-haiku-4.5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(message.content[0].text)

base_url: https://api.onehop.ai/anthropic