Claude Sonnet 5.5 vs Grok 4.7
Price, context window & benchmark comparison
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Verdict: Grok 4.7 is 25% cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix. Claude Sonnet 5.5 scores higher on the Artificial Analysis Intelligence Index (56 vs 46.4). Claude Sonnet 5.5 has the larger context window (1M vs 500K).
| Claude Sonnet 5.5 | Grok 4.7 | |
|---|---|---|
| Input price / 1M | $2.00 | $2.00 |
| Output price / 1M | $10.00 | $6.00 |
| Blended price (3:1) | $4.00 | $3.00 |
| Cached input / 1M | $0.20 | $0.50 |
| Context window | 1M | 500K |
| Max output | 128K | 450K |
| Intelligence index | 56 | 46.4 |
| Coding index | — | — |
| Providers | 8 | 5 |
| Best provider uptime (30m) | 100.0% | 99.6% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-28 | 2026-09-21 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Sonnet 5.5 or Grok 4.7?
Grok 4.7 is 25% cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix.
Claude Sonnet 5.5 vs Grok 4.7: which has a bigger context window?
Claude Sonnet 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 Sonnet 5.5 ≈ $9,000, Grok 4.7 ≈ $7,000.
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