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Models / Anthropic

Claude Haiku 4.5

$1/Mtok in

Fast, cheap frontier-family model for high-volume tasks.

Playground

Try it in the browser

PlaygroundClaude$1 in / $5 out per 1M tokens

Facts

At a glance

Availability

Live

Pricing

$1 / M input · $5 / M output

Endpoint

Chat Completions

/v1/chat/completions

Context window

200k tokens

API

Call it from code

import OpenAI from "openai"

const client = new OpenAI({
  baseURL: "https://api.companyfabric.com/v1",
  apiKey: process.env.COMPANYFABRIC_API_KEY,
})

const res = await client.chat.completions.create({
  model: "anthropic/claude-haiku-4-5",
  max_tokens: 1024,
  temperature: 0.7,
  messages: [{ role: "user", content: "Say hello from the fabric." }],
})

console.log(res.choices[0].message.content)

Prompt library

Example runs

Extract every date, amount and counterparty from this contract as JSON.

This exact run cost $0.004

FAQ

Frequently asked questions

How much does Claude Haiku 4.5 cost?

$1 / M input · $5 / M output. The exact cost of each call is shown before you run it and metered to your prepaid balance, no subscription required.

Why use Claude Haiku 4.5 on CompanyFabric instead of going direct?

One key and one balance across every model in the library, at pricing at parity with or below the direct API. Switching models is a one-line change.

Is Claude Haiku 4.5 available through the OpenAI SDK?

Yes, point any OpenAI SDK at api.companyfabric.com/v1 and set model to "anthropic/claude-haiku-4-5".

Variants

Same family

Claude Sonnet 4.5

$3/Mtok in

Anthropic

Frontier-quality text and reasoning through one OpenAI-compatible endpoint.

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Claude Opus 4.6

$5/Mtok in

Anthropic

The frontier tier for the hardest reasoning and agentic work.

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Claude Fable 5

$10/Mtok in

Anthropic

Anthropic's first Mythos-class model, the new flagship tier above Opus, tuned for the hardest reasoning and agentic work.

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Claude Opus 5

$5/Mtok in

Anthropic

The Claude 5 generation's deep-work model, maximum-capability reasoning for research, architecture, and hard agentic tasks.

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Explore

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Google's newest Pro tier, shipped as a preview.

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One key. Every model. Exact prices.

Run Claude Haiku 4.5 with free starter credits. Free starter credits included, no subscription required.

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