Grok 4.3
Grok 4.3 — xAI multimodal model with an Intelligence Index of 38, a 1M-token context window and a blended price of $0.52/1M tokens.
Key specifications
| Intelligence Index | 38 |
|---|---|
| Coding Index | 42.2 |
| Agentic Index | 24.1 |
| Arena Elo | 752 |
| Context window (K tokens) | 1,000 |
| Blended price ($/1M tokens) | 0.5 |
| Output speed (tokens/s) | 112 |
About Grok 4.3
The Grok 4.3 is a multimodal model from xAI with an Intelligence Index of 38.0, a Coding Index of 42.2 and a 1 million-token context window. It runs at a blended price of $0.52 per million tokens and generates about 112 tokens/s. It is proprietary api. Leaderboard indices are a strong signal but only part of real-world quality, which also depends on tool use, latency and task fit.
The comparisons below show how Grok 4.3 stacks up against the alternatives people most often weigh against it, with the specific numbers laid out side by side.
Frequently asked questions
Is the Grok 4.3 any good?
Grok 4.3 — xAI multimodal model with an Intelligence Index of 38, a 1M-token context window and a blended price of $0.52/1M tokens.
What are the key specs of the Grok 4.3?
See the specification table above for the full breakdown.