Gemini 4 Carbon vs Perceptron Mk1

Price, context window & benchmark comparison

Google

Gemini 4 Carbon

Google
$2.00 / $10.00
Input / Output · per 1M tokens
VS
Perceptron

Perceptron Mk1

Perceptron
$0.15 / $1.50
Input / Output · per 1M tokens
Compare different models
Google
Perceptron
Verdict: Perceptron Mk1 is 8.2× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix. Gemini 4 Carbon has the larger context window (1M vs 33K).
Gemini 4 CarbonPerceptron Mk1
Input price / 1M$2.00$0.15
Output price / 1M$10.00$1.50
Blended price (3:1)$4.00$0.49
Cached input / 1M$0.10—
Context window1M33K
Max output944K8K
Intelligence index60—
Coding index——
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-11-102026-05-12
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 4 Carbon or Perceptron Mk1?

Perceptron Mk1 is 8.2× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.

Gemini 4 Carbon vs Perceptron Mk1: which has a bigger context window?

Gemini 4 Carbon: 1,048,576 tokens. Perceptron Mk1: 32,768 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Carbon ≈ $9,000, Perceptron Mk1 ≈ $1,050.

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