ChatModelsComparePricingDocs
CouncilClaude CodeCursorCheapest modelsBest for codingFor agentsFree models

Models / Anthropic

Claude Fable 5.1

$10/Mtok in

Anthropic's top generally available model, tied for first on the Artificial Analysis Intelligence Index.

Playground

Try it in the browser

PlaygroundClaude$10 in / $50 out per 1M tokens

Facts

At a glance

Availability

Live

Pricing

$10 / M input · $50 / M output

Endpoint

Chat Completions

/v1/chat/completions

Context window

1,000k 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-5-1",
  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 5.1 cost?

$10 / M input · $50 / 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 5.1 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 5.1 available through the OpenAI SDK?

Yes, point any OpenAI SDK at api.companyfabric.com/v1 and set model to "anthropic/claude-fable-5-1".

Variants

Same family

Claude Sonnet 4.5

$3/Mtok in

Anthropic

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

text

Claude Haiku 4.5

$1/Mtok in

Anthropic

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

text

Claude Opus 4.6

$5/Mtok in

Anthropic

The frontier tier for the hardest reasoning and agentic work.

text

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.

text

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.

text

Claude Opus 5.5

$4/Mtok in

Anthropic

First of the Claude 5.5 generation: Fable-class agentic coding and computer use at 20% below Opus 5.

text

Explore

Related model APIs

GPT-5.5

$5/Mtok in

OpenAI

OpenAI's flagship, one key away.

text

GPT-6 Astra

$10/Mtok in

OpenAI

OpenAI's GPT-6 flagship, a million-token window one key away.

text

Gemini 3.7 Flash

$0.75/Mtok in

Google

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

text

Gemini 3.5 Flash

$1.5/Mtok in

Google

The previous stable Flash, still current for most work.

text

Gemini 3.1 Pro (preview)

Preview

Google

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

text

Gemini 3 Flash (preview)

Preview

Google

The Gemini 3 Flash preview line.

text

One key. Every model. Exact prices.

Run Claude Fable 5.1 with free starter credits. Free starter credits included, no subscription required.

Get your API keyBrowse all models