Claude Fable 5.2 vs Perceptron Mk1

Price, context window & benchmark comparison

Anthropic

Claude Fable 5.2

Anthropic
$8.00 / $40.00
Input / Output · per 1M tokens
VS
Perceptron

Perceptron Mk1

Perceptron
$0.15 / $1.50
Input / Output · per 1M tokens
Compare different models
Anthropic
Perceptron
Verdict: Perceptron Mk1 is 32.8× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix. Claude Fable 5.2 has the larger context window (1M vs 33K).
Claude Fable 5.2Perceptron Mk1
Input price / 1M$8.00$0.15
Output price / 1M$40.00$1.50
Blended price (3:1)$16.00$0.49
Cached input / 1M$0.20—
Context window1M33K
Max output128K8K
Intelligence index64.6—
Coding index——
Providers5—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-11-072026-05-12
Retirement——

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FAQ

Which is cheaper, Claude Fable 5.2 or Perceptron Mk1?

Perceptron Mk1 is 32.8× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix.

Claude Fable 5.2 vs Perceptron Mk1: which has a bigger context window?

Claude Fable 5.2: 1,000,000 tokens. Perceptron Mk1: 32,768 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Fable 5.2 ≈ $36,000, Perceptron Mk1 ≈ $1,050.

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