Grok 4.3 vs IBM Watson
xAI vs IBM — benchmarks, pricing, and capabilities side by side.
| Grok 4.3 | IBM Watson | |
|---|---|---|
| Intelligence index | 90.1 | — |
| Developer | xAI | IBM |
| Type | LLM | — |
| Access | API only | — |
| Context window | 1,000,000 tokens | — |
| Input price | $1.25 / 1M | — |
| Output price | $2.50 / 1M | — |
| Speed | 88 tok/s | — |
| Released | May 6, 2026 | February 16, 2011 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |