Grok 4.3 vs Llama 3 8B Instruct
xAI vs Meta — benchmarks, pricing, and capabilities side by side.
- •Grok 4.3 has the higher intelligence index (90.1 vs 32.4)
- •Llama 3 8B Instruct is cheaper ($0.04 vs $1.25 per 1M input)
- •Grok 4.3 is faster
- •Grok 4.3 has a larger context window (1M)
| Grok 4.3 | Llama 3 8B Instruct | |
|---|---|---|
| Intelligence index | 90.1 | 32.4 |
| Developer | xAI | Meta |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 1,000,000 tokens | 8,192 tokens |
| Input price | $1.25 / 1M | $0.04 / 1M |
| Output price | $2.50 / 1M | $0.04 / 1M |
| Speed | 88 tok/s | 81 tok/s |
| Released | May 6, 2026 | April 18, 2024 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
Grok 4.3
Llama 3 8B Instruct
GPQA Diamond
90.1
29.6
Humanity’s Last Exam
35
5.1