Grok 4.5
xAI's fastest, most token-efficient frontier model yet, tuned on real coding-agent data.
Intelligence
AA Intelligence Index54
independent benchmark score from Artificial Analysis, not Timace's own judgment
Best for
- ✓ Coding and agentic workflows at a lower cost than Opus-class models
Specifications
- Developer
- xAI
- Context window (tokens)
- 500K tokens
- Input $/MTok
- $2 / MTok
- Output $/MTok
- $6 / MTok
- Modalities
- text, image, code
- API available
- Yes
- Open source
- No

