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Models / Anthropic

Claude Fable 5

$6/Mtok in

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

Playground

Try it in the browser

PlaygroundClaude$6 in / $30 out per 1M tokens

Facts

At a glance

Availability

Live

Pricing

$6 / M input · $30 / 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-fable-5",
  max_tokens: 1024,
  temperature: 0.7,
  messages: [{ role: "user", content: "Say hello from the fabric." }],
})

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

FAQ

Frequently asked questions

How much does Claude Fable 5 cost?

$6 / M input · $30 / 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 Fable 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 Fable 5 available through the OpenAI SDK?

Yes — point any OpenAI SDK at api.companyfabric.com/v1 and set model to "anthropic/claude-fable-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 Haiku 4.5

$1/Mtok in

Anthropic

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

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Claude Opus 4.6

$15/Mtok in

Anthropic

The frontier tier for the hardest reasoning and agentic work.

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Claude Opus 5

$12/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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Gemini 3.7 Flash

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Google's current fast model, million-token context.

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Gemini 3.5 Flash

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The previous stable Flash, still current for most work.

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Gemini 2.5 Pro

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Google's stable Pro tier — the non-preview reasoning model.

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Gemini 2.5 Flash

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Long-context workhorse on the stable 2.5 line.

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One key. Every model. Exact prices.

Run Claude Fable 5 with free starter credits. Free starter credits included — no subscription required.

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