LLMAPI only
Grok 4.3
xAI
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- LLM
- Access
- API only
- Released
- May 6, 2026
- License
- Proprietary
- Context window
- 1,000,000 tokens
- Output speed
- 88 tok/s
- Latency (TTFT)
- 0.52s
- Input
- Text, Image
- Output
- Text
- API pricing
- $1.25 in · $2.50 out / 1M tokens
Capabilities
Function callingStructured outputWeb search
Benchmarks
Reasoning
| GPQA Diamond | 90.1 |
General
Our take
xAI’s current most-intelligent model, positioned as the cost-per-intelligence value leader with aggressively low $1.25/$2.50 pricing and adjustable reasoning levels.