Gemini 4 Carbon vs Gemma 4 31B

Price, context window & benchmark comparison

Google

Gemini 4 Carbon

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

Gemma 4 31B

Google
$0.20 / $0.40
Input / Output · per 1M tokens
Compare different models
Google
Google
Verdict: Gemma 4 31B is 16.0× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix. Gemini 4 Carbon scores higher on the Artificial Analysis Intelligence Index (60 vs 4.4). Gemini 4 Carbon has the larger context window (1M vs 262K).
Gemini 4 CarbonGemma 4 31B
Input price / 1M$2.00$0.20
Output price / 1M$10.00$0.40
Blended price (3:1)$4.00$0.25
Cached input / 1M$0.10—
Context window1M262K
Max output944K16K
Intelligence index604.4
Coding index—43.4
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-102026-04-02
Retirement——

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FAQ

Which is cheaper, Gemini 4 Carbon or Gemma 4 31B?

Gemma 4 31B is 16.0× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.

Gemini 4 Carbon vs Gemma 4 31B: which has a bigger context window?

Gemini 4 Carbon: 1,048,576 tokens. Gemma 4 31B: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Carbon ≈ $9,000, Gemma 4 31B ≈ $600.00.

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