This page may contain stale information. Last updated: 2026-08-16
Overview
Grok is xai/spacexai’s family of frontier language models integrated with the X platform, Grok Build, cursor, and grok-bot.
Grok Bot (August 11, 2026)
- Persistent always-on agents on shared cloud VMs (grok-bot)
- Grok 4.6 tuned for long-running agentic tasks
- Bundled with SuperGrok Heavy, Cursor Ultra (120/seat)
Grok 4.5 Public Launch (July 8, 2026)
- Availability: Grok Build, all Cursor plans, SpaceXAI API console (2026-07-09-grok-45-xai-official)
- Pricing: 6/M output; fast variant 18
- Architecture: MoE; co-trained with cursor on NVIDIA GB300 cluster
- EU: Not available at launch; expected mid-July 2026
- Claims: Opus-class performance, ~4.2× fewer output tokens on SWE Bench Pro vs Opus 4.8 max — vendor benchmarks
Benchmark claims from SpaceXAI/Cursor announcements; independent verification limited.
Grok 4.5 Private Beta (June 2026)
- SpaceX and Tesla internal beta June 28, 2026 (2026-07-06-grok-45-private-beta-spacex-tesla)
Release Cadence
spacexai plans continued model releases; Grok 4.5 is first public post-IPO model.