Gemini 4 Carbon vs Step 3.7 Flash

Price, context window & benchmark comparison

Google

Gemini 4 Carbon

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

Step 3.7 Flash

StepFun
$0.20 / $1.15
Input / Output · per 1M tokens
Compare different models
Google
StepFun
Verdict: Step 3.7 Flash is 9.1× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix. Gemini 4 Carbon has the larger context window (1M vs 262K).
Gemini 4 CarbonStep 3.7 Flash
Input price / 1M$2.00$0.20
Output price / 1M$10.00$1.15
Blended price (3:1)$4.00$0.44
Cached input / 1M$0.10$0.04
Context window1M262K
Max output944K230K
Intelligence index60—
Coding index—39.6
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-102026-05-28
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 4 Carbon or Step 3.7 Flash?

Step 3.7 Flash is 9.1× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.

Gemini 4 Carbon vs Step 3.7 Flash: which has a bigger context window?

Gemini 4 Carbon: 1,048,576 tokens. Step 3.7 Flash: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Carbon ≈ $9,000, Step 3.7 Flash ≈ $975.00.

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