Boundless logo

Boundless

Claude Fable 5.1

Canonical ID: boundless/claude-fable-5.1

Claude model for demanding reasoning and long-horizon agentic work

Reasoning: Yes Tool use: Yes

Overview

text
Provider
Boundless logo Boundless
Family
claude-fable
Release date
2026-09-01
Last updated
2026-09-01
Input modalities
text
Output modalities
text

Pricing and Limits

Token pricing

Input
$10/1M
Output
$50/1M
Cached input
N/A
Currency: USD

Context and output

Context window
262,144
Max output tokens
128,000
Qualified ID
boundless/claude-fable-5.1

Model Summary

Claude Fable 5.1 is a model listing in the Boundless provider catalog. It is categorized under the claude-fable family.

The model supports text modalities across input/output paths. Reported context capacity is 262,144. Pricing is listed at $10/1M input and $50/1M output.

More From Boundless

Related models from the same provider catalog.

View all from Boundless

Same Family: claude-fable

Comparable models in the same family across providers.

Browse family
Model Provider Context Input Output Flags
Agentic Chat (Claude Fable 5)
gitlab/duo-chat-fable-5
GitLab Duo logo GitLab Duo
1,000,000 $0/1M $0/1M
Reasoning Tools
Agentic Chat (Claude Fable 5.1)
gitlab/duo-chat-fable-5-1
GitLab Duo logo GitLab Duo
1,000,000 $0/1M $0/1M
Reasoning Tools
Anthropic Claude Fable 5
digitalocean/anthropic-claude-fable-5
DigitalOcean logo DigitalOcean
1,000,000 $10/1M $50/1M
Reasoning Tools
Anthropic Claude Fable 5.1
digitalocean/anthropic-claude-fable-5.1
DigitalOcean logo DigitalOcean
1,000,000 $10/1M $50/1M
Reasoning Tools
Anthropic: Claude Fable Latest ($$$$)
kilo/~anthropic/claude-fable-latest
Kilo Gateway logo Kilo Gateway
1,000,000 $10/1M $50/1M
Reasoning Tools
Claude Fable 5
venice/claude-fable-5
Venice AI logo Venice AI
1,000,000 $10/1M $50/1M
Reasoning Tools
Claude Fable 5
nano-gpt/anthropic/claude-fable-5
NanoGPT logo NanoGPT
1,000,000 $10/1M $50/1M
Reasoning Tools
Claude Fable 5
freemodel/claude-fable-5
FreeModel logo FreeModel
1,000,000 $10/1M $50/1M
Reasoning Tools
Claude Fable 5
nearai/anthropic/claude-fable-5
NEAR AI Cloud logo NEAR AI Cloud
1,000,000 $10/1M $50/1M
Reasoning Tools
Claude Fable 5
impossibl/anthropic/claude-fable-5
Impossibl logo Impossibl
1,000,000 $10/1M $50/1M
Reasoning Tools