Modeldex

Anthropic · Text line

Claude Fable

2 stages over 3 months, from Claude Fable 5 in Jun 2026 to Claude Fable 5.1 in Sep 2026.

Evolution chamber01 / 02
Anthropic

Claude Fable 5

CTX1M
97Quality
Reasoning · Vision · Tools
TextImagePDFInput$10/M
TextOutput$50/M

Claude model for creative writing, analysis, and controlled agent workflows

PaidProprietary917/1040
Ready to evolve

Every generation. A new possibility.

Claude Fable 5 · Jun 2026
View model : Claude Fable 5

2 stages, from Claude Fable 5 (Jun 2026) to Claude Fable 5.1 (Sep 2026). Press Evolve to watch each step.

How it grew

Context window

  1. 1Mv5
  2. 1Mv5.1

Max output

  1. 128Kv5
  2. 128Kv5.1

Output priceper 1M tokens, lower is better

  1. $50.00v5
  2. $50.00v5.1

Every stage

  1. v5 Stage 1

    Anthropic

    Claude Fable 5

    CTX1M
    97Quality
    Reasoning · Vision · Tools
    TextImagePDFInput$10/M
    TextOutput$50/M

    Claude model for creative writing, analysis, and controlled agent workflows

    PaidProprietary917/1040
  2. v5.1 Stage 2

    Anthropic

    Claude Fable 5.1

    CTX1M
    99Quality
    Reasoning · Vision · Tools
    TextImagePDFInput$10/M
    TextOutput$50/M

    Claude model for demanding reasoning and long-horizon agentic work

    PaidProprietary991/1040

More Anthropic lines

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