anthropic / text-generation API-only released 2026-11-09

Claude Fable 5.2

Name: Claude Fable 5.2
Price: 8 USD
Author: anthropic

Claude Fable 5.2 is Anthropic's most capable model for the most demanding technical work, with gains over Fable 5.1 in coding, reasoning, and vision. In prerelease testing it completed otherwise-infeasible...

Input / 1M

$8.00

Output / 1M

$40.00

Context

AA Intelligence

64.6

Closed weights — available only as a hosted API text + image + file → text View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-11-10

$8.00

input / 1M

$40.00

output / 1M

$0.20

cached input / 1M

$48.00

1M in + 1M out

:batch variant $4.00 in · $20.00 out

Context window: 1,000,000 tokens
Max output: 128,000 tokens
Providers: 4
Cheapest provider: Amazon Bedrock · $8.00 / $40.00
Best throughput: —
AA Intelligence / Coding / Agentic: 64.6 / — / —

✓ Tool calling ✓ Reasoning ✓ Structured outputs ✓ Image input ✓ File input ✗ Audio input ✓ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (1 recorded)

Current: $8.00 input · $40.00 output per 1M tokens

Benchmarks

Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.

AA Intelligence Index: 64.6
AA Coding Index: —
AA Agentic Index: —

Providers

4 providers · per 1M tokens · last 30 min metrics

Provider	Quant	Context	Input	Output	Uptime	Tok/s
Amazon Bedrock	unknown	1M	$8.00	$40.00	—	—
Anthropic	unknown	1M	$8.00	$40.00	100%	—
Azure	unknown	1M	$8.00	$40.00	100%	—
Google	unknown	1M	$8.00	$40.00	100%	—
Anthropic	unknown	1M	$16.00	$80.00	100%	—

Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation: anthropic
Released on OpenRouter: 2026-11-09
Context window: 1,000,000 tokens
Max output: 128,000 tokens
Input: text, image, file
Output: text
Tokenizer: Claude
Moderated by provider: Yes
OpenRouter id: anthropic/claude-fable-5.2

Compare with

Popular comparisons

Claude Opus 5.5 $8.00 GPT-6 Astra $20.00 Claude Fable 5 $20.00 Claude Opus 4.8 $10.00 Claude Opus 4.7 $10.00 Claude Opus 4.6 $10.00 Claude Opus 4.5 $10.00 Claude Opus 4.1 $30.00 Claude Sonnet 4.6 $6.00 Claude Sonnet 4.5 $6.00

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Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.