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Model profile · Updated 2026-09-08
Model Profile · Anthropic · US

Claude Fable 5

API requires an overseas network; private deployment is negotiable through the enterprise channel.

Best forDeep reasoning, Long documents, Coding
LicensingClosed API
Updated2026-09-08
01

Snapshot

Overall
95
rank #1 of 22
Coding
99
rank #1 of 22
Multimodal
97
rank #1 of 22
Input / Output
$10 / $50
USD per 1M tokens
Context
1M
usable recall 98
Speed
~30 tok/s
TTFT 1.2s

Aggregated from public sources and independently weighted; methodology on the Terms page. Scores within 3 points are treated as statistically tied.

02

Specs & pricing

Every tracked field. List API prices in USD per 1M tokens; verify current vendor pricing before purchase.

VendorAnthropic (US)
Released / current2026.06
LicensingClosed / managed API
Context window1M
Max output128K
Effective-context score98
Input / output price$10 / $50 per 1M tokens
Cache discountPrompt cache 90% off
Free tierNo free tier; $5 credit to start
Speed / TTFT~30 tok/s / 1.2s
Function calling92
Refusal rate~8%
English / Chinese98 / 82
Modalitiestext, image
Fine-tuningNo
Private deploymentNo
SOC2 / no-trainyes / yes
03

Strengths & watch-outs

Strengths

  • Strongest all-round reasoning
  • Reliable long-context recall
  • Top-tier coding

Watch-outs

  • Highest price
  • Relatively slow
  • No native video
04

Where it ranks among 22 models

Overall 95/100 (#1), coding 99 (#1), multimodal 97 (#1). See the full boards and side-by-side compare on the leaderboard.
05

Pricing in practice

Illustrative monthly bill for 100M input + 30M output tokens: $2,500 at list; about $1,690 with 90% of inputs cache-hit. Your mix and cache-hit ratio change this.

Illustrative model using public list rates before any enterprise agreement; cache discount: Prompt cache 90% off.

06

Frequently asked questions

How much does Claude Fable 5 cost?
List API pricing is $10 input and $50 output per 1M tokens. Prompt cache 90% off. No free tier; $5 credit to start
What is Claude Fable 5's context window, and is it usable end to end?
It advertises a 1M window with 128K max output; its effective-context score is 98/100, which is the better predictor of whether long-document details are actually retained.
Is Claude Fable 5 good for coding?
Its coding aggregate is 99/100, rank #1 of 22. That puts it in the top tier for agentic, multi-file engineering.
Can I self-host Claude Fable 5?
No. It is a closed managed API; there is no weights download.
How strong is it in Chinese and on multimodal inputs?
Chinese score is 82 versus English 98; multimodal aggregate is 97/100 (rank #1), accepting text, image.