Claude Opus 5.5 vs Grok 4.7

Price, context window & benchmark comparison

A

Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
X

Grok 4.7

xAI
$1.60 / $4.80
Input / Output · per 1M tokens
Compare different models
A
X
Verdict: Grok 4.7 is 3.3× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 scores higher on the Artificial Analysis Intelligence Index (57.6 vs 46.4). Claude Opus 5.5 has the larger context window (1M vs 500K).
Claude Opus 5.5Grok 4.7
Input price / 1M$4.00$1.60
Output price / 1M$20.00$4.80
Blended price (3:1)$8.00$2.40
Cached input / 1M$0.20$0.40
Context window1M500K
Max output128K450K
Intelligence index57.646.4
Coding index——
Providers114
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-09-21
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Opus 5.5 or Grok 4.7?

Grok 4.7 is 3.3× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Grok 4.7: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Grok 4.7: 500,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Grok 4.7 ≈ $5,600.

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