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Grok 4.3 launched 2026-04-30. 1M token context window. Cached input at $0.20/M. Requests >200K input tokens billed at 2x.
Refreshed weekly
Model details
- Model family
- Grok 4
- Base model
- —
- Context window
- 1.0M tokens
- Input modalities
- text
- Output modalities
- text
- Access
- Proprietary
- Pricing
- pay per use
- API available
- Yes
- Model card / docs
- https://docs.x.ai
Mantle Index
Equity Score
MixedMeasures fairness across demographic groups. Higher is more equitable.
Safety Score
MixedMeasures resistance to harmful outputs. Higher is safer.
Component scores
Component scores
The Equity Score and Safety Score roll up the latest Mantle Index assessment. Component breakdowns and risk-tier justification are available on Pro and Enterprise.
Benchmark sub-scores
Benchmark scores
Security score
Computed from compliance, encryption, data handling, documentation, and vendor contacts — multiplied by research confidence (low).
5 category scores
Vendor contacts
Contacts on file
Certifications
No certifications recorded yet.
Research coverage
0 dimensions fully covered · 0 partially covered.
Supply chain
No supply-chain links recorded yet.
Citations
No public citations recorded yet.
Recent changes
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