Model comparison
Grok 4.5 vs GPT-5
Capability radar, value bars, and side-by-side posture.
Grok 4.5
Not scored
value score
GPT-5
94
value score
Grok 4.5 ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | Grok 4.5 | GPT-5 |
|---|---|---|
| Developer | Reuters | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | Grok 4.5 is a mixture-of-experts frontier language model from xAI (SpaceXAI) optimized for coding, agentic workflows, and knowledge work, available via the xAI developer console, Grok Build, and Cursor integrations. | OpenAI frontier multimodal model. |