Claude Opus 4.7 vs Grok 4
Anthropic vs xAI — benchmarks, pricing, and capabilities side by side.
- •Claude Opus 4.7 has the higher intelligence index (90.9 vs 78.2)
- •Grok 4 is cheaper ($3.00 vs $5.00 per 1M input)
- •Grok 4 is faster
- •Claude Opus 4.7 has a larger context window (1M)
| Claude Opus 4.7 | Grok 4 | |
|---|---|---|
| Intelligence index | 90.9 | 78.2 |
| Developer | Anthropic | xAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 1,000,000 tokens | 256,000 tokens |
| Input price | $5.00 / 1M | $3.00 / 1M |
| Output price | $25.00 / 1M | $15.00 / 1M |
| Speed | 49 tok/s | 100 tok/s |
| Released | April 16, 2026 | July 9, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
Claude Opus 4.7
Grok 4
GPQA Diamond
94.2
87.5
Humanity’s Last Exam
39.6
40