Grok 4.7 vs Mercury 2

Price, context window & benchmark comparison

X

Grok 4.7

xAI
$1.60 / $4.80
Input / Output · per 1M tokens
VS
I

Mercury 2

Inception
$0.25 / $0.75
Input / Output · per 1M tokens
Compare different models
X
I
Verdict: Mercury 2 is 6.4× cheaper than Grok 4.7 on a typical 3:1 input/output mix. Grok 4.7 has the larger context window (500K vs 128K).
Grok 4.7Mercury 2
Input price / 1M$1.60$0.25
Output price / 1M$4.80$0.75
Blended price (3:1)$2.40$0.38
Cached input / 1M$0.40$0.025
Context window500K128K
Max output450K50K
Intelligence index46.4—
Coding index—31.1
Providers4—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-212026-03-04
Retirement——

Cost calculator

FAQ

Which is cheaper, Grok 4.7 or Mercury 2?

Mercury 2 is 6.4× cheaper than Grok 4.7 on a typical 3:1 input/output mix.

Grok 4.7 vs Mercury 2: which has a bigger context window?

Grok 4.7: 500,000 tokens. Mercury 2: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Grok 4.7 ≈ $5,600, Mercury 2 ≈ $875.00.

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