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Anthropic: Claude Fable 5

anthropic/claude-fable-5

1st smartest of 178ReasoningToolsJSONVision
Use via OpenRouter ↗
Intelligence
64.9
1st of 178
Design Elo
1417
UI Component
Speed
tokens/sec
Latency
first token
Input price
$10.00
281st cheapest
Context
1M
128K max out

How it compares

Smarter than99%
of all ranked models
Cheaper than6%
of all ranked models

Overview

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Benchmarks

independent · via OpenRouter
Artificial Analysis100th percentile
Intelligence Index
64.9
Coding Index
62.0
Agentic Index
80.6
GPQA Diamond
93%
Humanity's Last Exam
53%
SciCode
60%
Tau²-Bench (agentic)
99%
Design Arena · Elo3,296 tournaments
UI Component
1417
Data Viz
1381
Game Dev
1381
svg
1372
3D
1371
asciiart
1365
codecategories
1352
Website
1345
agentichtmlslides
1254
agenticslides(html)
1252

Providers & pricing (5)

ProviderIn $/MOut $/MUptime
Amazon Bedrock$10.00$50.00
Google$10.00$50.00
Amazon Bedrock$10.00$50.00
Anthropic$10.00$50.00
Azure$10.00$50.00

Specifications

Context window1M
Max output128K
Knowledge cutoff
Input modalitiestext, image, file
Output modalitiestext
Prompt caching
Cache read price$1.00/M
ModeratedYes

Claude Fable 5 FAQ

How much does Claude Fable 5 cost?

Claude Fable 5 costs $10.00 per million input tokens and $50.00 per million output tokens via OpenRouter, making it 281st cheapest of 298 paid models.

How smart is Claude Fable 5?

Claude Fable 5 scores 64.9 on the Artificial Analysis Intelligence Index, ranking 1st of 178 benchmarked models, with a GPQA Diamond score of 93%.

What is Claude Fable 5's context window?

Claude Fable 5 supports a 1M-token context window and can output up to 128K tokens. It accepts text, image, file input.

Compare head-to-head