in the loop

Perceptron Mk1.5
Not scored yet.

PerceptronSep 25, 2026

Capabilities Index

Not run yet

–

Context

Takes text, image, video, audio

37K

Input

Per 1M tokens

$0.15

Output

Per 1M tokens

$1.50

Benchmarks

No independent scores yet.

Epoch AI hasn't run Perceptron Mk1.5 yet. Its scores show up here the morning after they do.

On the index

The top of the index.

  1. #1Claude Opus 5.5Anthropic · $4.00 in167.3
  2. #2GPT-6 AstraOpenAI · $10 in166.4
  3. #3GPT-6.1 SolOpenAI · $2.00 in166.1
  4. #4Claude Sonnet 5.5Anthropic · $2.00 in165.0
  5. #5Claude Fable 5.1Anthropic · $10 in164.7
  6. #6Claude Opus 5Anthropic · $5.00 in162.8

Sources