Anthropic: Claude Fable 5

Anthropic

Anthropic: Claude Fable 5 by Anthropic costs $10.00 per 1M input tokens and $50.00 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)

$10.00

Output (per 1M tokens)

$50.00

Cached input (per 1M)

$1.00

Provider	Input / 1M	Output / 1M
openrouter	$10.00	$50.00
Anthropic	$10.00	$50.00

Specifications

Provider: Anthropic
Context window: 1M tokens
Parameters: —
Released: Jun 2026
Open weights: No
Frontier model: No

Benchmarks

Epoch Capabilities Index: 162.1
GPQA Diamond: 85.9
LMArena (Chatbot Arena) Elo: 1491.0
LMArena Vision Elo: 1324.0
LMArena WebDev Elo: 1623.8

Speed & latency

Time to first token

0.91s

Output speed

96 tok/s

Fastest host: vertexAnthropic (via vercel-ai-gateway).

Compare Anthropic: Claude Fable 5 with…

Anthropic: Claude Fable 5 vs Claude Fable 5.1$50.00/1M Anthropic: Claude Fable 5 vs GPT-6 Astra$50.00/1M Anthropic: Claude Fable 5 vs GPT-4$60.00/1M Anthropic: Claude Fable 5 vs o1$60.00/1M Anthropic: Claude Fable 5 vs Claude 4.5 Opus$34.39/1M Anthropic: Claude Fable 5 vs Claude Opus 4$75.00/1M

FAQ

How much does Anthropic: Claude Fable 5 cost?

Anthropic: Claude Fable 5 is priced at $10.00 per 1M input tokens and $50.00 per 1M output tokens. Output tokens cost more than input.

What is Anthropic: Claude Fable 5's context window?

Anthropic: Claude Fable 5 supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.

Is Anthropic: Claude Fable 5 open weight?

No — Anthropic: Claude Fable 5 is a closed/proprietary model accessed via API.

Data as of 2026-10-15. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.