Grok 4.5 vs Grok Build 0.1

Price, context window & benchmark comparison

X

Grok 4.5

xAI
$2.00 / $6.00
Input / Output · per 1M tokens
VS
X

Grok Build 0.1

xAI
$1.00 / $2.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Grok Build 0.1 is 2.4× cheaper than Grok 4.5 on a typical 3:1 input/output mix. Grok 4.5 has the larger context window (500K vs 256K).
Grok 4.5Grok Build 0.1
Input price / 1M$2.00$1.00
Output price / 1M$6.00$2.00
Blended price (3:1)$3.00$1.25
Cached input / 1M$0.30$0.20
Context window500K256K
Max output450K230K
Intelligence index38.8
Coding index72.451.5
Providers44
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-07-082026-05-20
Retirement

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FAQ

Which is cheaper, Grok 4.5 or Grok Build 0.1?

Grok Build 0.1 is 2.4× cheaper than Grok 4.5 on a typical 3:1 input/output mix.

Grok 4.5 vs Grok Build 0.1: which has a bigger context window?

Grok 4.5: 500,000 tokens. Grok Build 0.1: 256,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Grok 4.5 ≈ $7,000, Grok Build 0.1 ≈ $3,000.

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