Latest
  1. Johns Hopkins Bayview tells 3,182 patients an employee put their health data into a public AI tool
  2. China’s AI compute access expected to double in 2027, with US-designed chips about 65 per cent
  3. UK commits £100m to national AI Biosecurity Lab
  4. Moonshot AI releases Kimi K3.1 Pro with 1-million-token context window
  5. Residents in Newport and Cardiff oppose hyperscale datacentres near homes
  6. Study: Grok 4.7 picked Republicans in 92% of forced midterm answers, GPT-6.1 Sol picked Democrats in 97%
  7. Attackers exploiting the PHP flaws hand the break-in to AI agents, Unit 42 says
  8. Elvis Presley’s rightsholders sue Anthropic over training on 274 songs

Latest / Frontier models and safety

Model releaseFrontierUSConfirmed

xAI releases Grok 4.7 on a larger base model at Grok 4.6 prices

See how this story connects

Source: xAI: Introducing Grok 4.7

xAI, which now brands itself SpaceXSI, released Grok 4.7, built on a new, larger base model than Grok 4.6 and trained with a longer reinforcement learning run weighted toward multi-hour tasks. It is priced like Grok 4.6 at $2 and $6 per million input and output tokens. xAI reported 46.3% on CursorBench 4.0 against 51.8% for Claude Fable 5.1.

Why it matters

Grok 4.7 costs $2 and $6 per million tokens against $10 and $50 for Fable 5.1, and trails it on CursorBench and Terminal-Bench in xAI’s own table.

When
21 Sep 2026
ID
WTA-N-2026-0127
Who
xAI

Summary by wheresthe.ai, from xAI. Checked against the source on 9 Oct 2026.

Read the original at xAI

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: What happened nextxAI releases Grok Voice 3.0, which tops Artificial Analysis’s speech-to-speech index

Cite this story

WTA-N-2026-0127: “xAI releases Grok 4.7 on a larger base model at Grok 4.6 prices.” wheresthe.ai, 21 Sep 2026. https://wheresthe.ai/d/xai-grok-4-7-release-2026-09/ (source: xAI: Introducing Grok 4.7).

Spotted an error? Email [email protected].