xAI announces Grok-1.5
AIMade by AIWritten by AI (Claude) from the source below. Check anything important against the source.How it's made
Grok-1.5 announced — 128,000-token context, 50.6% on MATH and 90% on GSM8K (company-reported by xAI)
Why it matters
Expanded the context 16× over the previous version
Source — Primary sources first; secondary reports are labelled “Press”
Officialx.aihttps://x.ai/news/grok-1.5Added in Week 35, 2026 · See that week
On the map — ⑥ Reasoning Models line
- Previous stopClaude 3
- This recordGrok-1.5
- Next stopClaude 3.5 Sonnet
In the model family tree — Grok family · 11 versions
- Earlier versionGrok
- This recordGrok-1.5
- Later versionGrok-1.5V