Grok 4.5
Last updated: August 11, 2026
Specs
| Vendor | xAI |
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| Released | July 8, 2026 |
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| Context window | 500K tokens |
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| Input | $2 / M tokens |
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| Output | $6 / M tokens |
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Benchmarks
Strengths
- Strong on coding, knowledge work and STEM
- Competitive price for a frontier tier
- Document and image input
Weaknesses
- 500K context, below the 1M its rivals now offer
- Smaller ecosystem of tooling and integrations
Best for
- STEM and technical analysis
- Coding assistants
- Teams already on the xAI stack
Compare with other AI models