Claude 3 Haiku vs Grok-4 Heavy
Anthropic vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok-4 Heavy has the higher intelligence index (89.3 vs 38.9)
| Claude 3 Haiku | Grok-4 Heavy | |
|---|---|---|
| Intelligence index | 38.9 | 89.3 |
| Developer | Anthropic | xAI |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 200,000 tokens | — |
| Input price | $0.25 / 1M | — |
| Output price | $1.25 / 1M | — |
| Speed | 104 tok/s | — |
| Released | March 13, 2024 | July 9, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
Claude 3 Haiku
Grok-4 Heavy
GPQA Diamond
33.3
88.4
Humanity’s Last Exam
3.9
50.7
LiveCodeBench
15.4
79.4