Claude Fable 5on Krater.ai
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
Released June 9, 2026
Specifications
Claude Fable 5 at a glance
Context
1M tokens
Max output
128K tokens
Input
Text, Image, File
Output
Text
Input price
$10.00 / 1M
Output price
$50.00 / 1M
Krater rank
#3
Capabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Benchmarks
Catalog data, not Krater benchmarks.
Coding index score
76.5
Agentic index score
56.6
Intelligence index score
62.1
Design Arena agenticgamedev rank
#1
Design Arena agentichtmlslides rank
#1
Compare
Compare Claude Fable 5
Claude Fable 5 vs Claude Opus 4.8
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family.
Open comparisonClaude Fable 5 vs Claude Sonnet 4.6 (batch)
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work.
Open comparisonClaude Fable 5 vs Claude Sonnet 4.5 (batch)
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows.
Open comparisonFAQ
Questions about Claude Fable 5
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