Gemini 3.8 Flash vs Grok Build 0.1

Price, context window & benchmark comparison

G

Gemini 3.8 Flash

Google
$0.75 / $3.75
Input / Output · per 1M tokens
VS
X

Grok Build 0.1

xAI
$1.00 / $2.00
Input / Output · per 1M tokens
Compare different models
G
X
Verdict: Grok Build 0.1 is 17% cheaper than Gemini 3.8 Flash on a typical 3:1 input/output mix. Gemini 3.8 Flash has the larger context window (1M vs 256K).
Gemini 3.8 FlashGrok Build 0.1
Input price / 1M$0.75$1.00
Output price / 1M$3.75$2.00
Blended price (3:1)$1.50$1.25
Cached input / 1M$0.075$0.20
Context window1M256K
Max output66K230K
Intelligence index40.9—
Coding index76.351.5
Providers64
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-022026-05-20
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 3.8 Flash or Grok Build 0.1?

Grok Build 0.1 is 17% cheaper than Gemini 3.8 Flash on a typical 3:1 input/output mix.

Gemini 3.8 Flash vs Grok Build 0.1: which has a bigger context window?

Gemini 3.8 Flash: 1,048,576 tokens. Grok Build 0.1: 256,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.8 Flash ≈ $3,375, Grok Build 0.1 ≈ $3,000.

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