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Snowflake Cortex

Claude Fable 5 API

Snowflake Cortex
About

Build advanced reasoning agents with Claude Fable 5, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support. Access Claude Fable 5 via the Snowflake Cortex API with up to 128K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
1.0M

Tokens

Input Limit
1.0M

Tokens

Max Output
128K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Claude Fable 5 by Snowflake Cortex costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
claude-fable-5
Provider
Snowflake Cortex
Family
claude-fable
Release Date
Jun 9, 2026
Knowledge Cutoff
Jan 31, 2026
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
SNOWFLAKE_ACCOUNT
SNOWFLAKE_CORTEX_PAT
API Base URL
https://${SNOWFLAKE_ACCOUNT}.snowflakecomputing.com/api/v2/cortex/v1
Documentation