Intelligence Index
0139.1
> 88% OF MODELS
xAI
Grok 4.5
Updated: September 2026
SpaceXAI's frontier model for coding, agentic tasks, and knowledge work, with fast reasoning and strong tool execution.
Specifications
- Context
- 500K
- Input Modalities
- Image, Text, File
- Output Modalities
- Text
- Input
- $2/M
- Output
- $6/M
Capabilities
VISIONWEBTHINKINGCODINGWRITING
Similarly Priced Models
| Model | Provider | Context | Input Price | Output Price |
|---|---|---|---|---|
| Qwen3.8 Max | Qwen | 1M | $2/M | $6/M |
| Qwen3.8 2.4T A95B | Qwen | 1M | $2/M | $6/M |
| Qwen3.8 2.4T A95B (batch) | Qwen | 1M | $2/M | $6/M |
| SpaceXAI: Grok 4.6 | xAI | 500K | $2/M | $6/M |
| Claude Sonnet 5 | Anthropic | 1M | $2/M | $10/M |
Performance Metrics
Coding Index
0272.4
> 86% OF MODELS
Agentic Index
0342.1
> 78% OF MODELS
Average Response Performance
- Output Speed
- 54.8 tok/s
- Time To First Token
- 11.11s
- Time To First Answer Token
- 11.11s
- End To End Response Time
- 20.23s
DATA SOURCE: Artificial Analysis