Grok 4.20 Heavy
Released 2026-03 · reasoning · 1.0M tokens · 0 benchmarks
Editorial notes
Multi-agent con 16 specialized agents en paralelo. SuperGrok Heavy tier exclusivo. Entrenado en Colossus (200K GPUs). ~3T parametros (figura citada por terceros, no confirmada por xAI). Pricing solo en SuperGrok Heavy $300/mes (no API directa).
Spec sheet
- Company
- xAI
- Country
- US
- Type
- reasoning
- Release
- 2026-03
- Context
- 1.0M tokens
- Slug
- grok-4-20-heavy
No scores published for this model. The editorial notes have additional context.
Cite this model
BibTeX · APA
BibTeX
@misc{frontier-grok-4-20-heavy,
title = {Grok 4.20 Heavy},
author = {{xAI}},
year = {2026},
note = {Frontier Benchmarks AI atlas. Accessed 2026-05-08},
url = {https://frontierbenchmarks.com/models/grok-4-20-heavy}
} APA
xAI (2026). Grok 4.20 Heavy [Large language model]. Frontier Benchmarks AI. Retrieved 2026-05-08, from https://frontierbenchmarks.com/models/grok-4-20-heavy
Citation reflects the atlas page, not the original model paper. For the paper, see the "Resources" section above.