xAI

Grok and related model lines from xAI. xAI 的 Grok 等模型线。

Official site ↗

Models in the tree

6 featured nodes · 2 other nodes (from xAI ). (10 collapsed variants hidden from the graph)

Featured (graph/timeline)

• Grok 4.20 0309 v2 (Reasoning) — Jan 2026
• Grok Beta — Jan 2026
• Grok Code Fast 1 — Jan 2026
• Grok 4.1 — Hallucination Halved, 2M Context — Nov 2025
• Grok 4 — xAI's Reasoning Frontier — Aug 2025
• Grok 3 — xAI's Frontier Bet — Feb 2025

Series

Benchmark snapshot

Best score within this company’s nodes (not a normalized cross-benchmark ranking).

• MMLU-Pro: 70.9% (from grok-2-1212)
• GPQA: 51.0% (from grok-2-1212)
• Coding · SciCode: 28.5% (from grok-2-1212)
• Intelligence · AA Intelligence Index: 13.90 (from grok-2-1212)
• HLE: 3.8% (from grok-2-1212)
• Coding · AA Coding Index: 3.60 (from grok-2-1212)
• Speed · Output tok/s: 0 (from grok-1)
• Price ($/M tokens): $0.00 in / $0.00 out (from grok-1)

Official catalog (manual)

• grok-4 — Grok 4 — in tree
• grok-4-heavy — Grok 4 Heavy — in tree
• grok-4.1 — Grok 4.1 — in tree
• grok-1 — Grok-1 — in tree
• grok-3-mini-reasoning — Grok 3 mini Reasoning (high) — in tree
• grok-4-20 — Grok 4.20 0309 v2 (Reasoning) — in tree
• grok-4-1-fast — Grok 4.1 Fast (Non-reasoning) — in tree
• grok-4-1-fast-reasoning — Grok 4.1 Fast (Reasoning) — in tree
• grok-code-fast-1 — Grok Code Fast 1 — in tree
• grok-4-20-non-reasoning — Grok 4.20 0309 v2 (Non-reasoning) — in tree
• grok-beta — Grok Beta — in tree
• grok-4-fast-reasoning — Grok 4 Fast (Reasoning) — in tree
• grok-4-fast — Grok 4 Fast (Non-reasoning) — in tree
• grok-4-20-0309 — Grok 4.20 0309 (Reasoning) — in tree
• grok-3 — Grok 3 — in tree
• grok-3-reasoning — Grok 3 Reasoning Beta — in tree
• grok-4-20-0309-non-reasoning — Grok 4.20 0309 (Non-reasoning) — in tree
• grok-2-1212 — Grok 2 (Dec '24) — in tree

Sources

• https://x.ai/
• https://docs.x.ai/docs/models/

Notes

This page is auto-assembled from nodes in the tree whose org matches one of the orgs above.