Live
AI models

Grok-1.5

Training compute
9.3×10²⁴ FLOP
Published
Mar 28, 2024

Grok-1.5 is an AI model developed by xAI (United States), first published in March 2024. It works in the language domain, on tasks such as language modeling and chat.

Training it took an estimated 9.3×10²⁴ FLOP of compute.

Access: Hosted access (no API). Its weights are not openly released. Epoch AI rates the confidence of this record as speculative.

Full record
Organization
xAI
Country of organization
United States
Domain
Language
Task
Language modeling, Chat
Training compute
9.3×10²⁴ FLOP
Model accessibility
Hosted access (no API)
Open weights
No
Epoch confidence
Speculative
More from xAI
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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