Grok alternatives
Match · Updated July 2026
Grok is xAI's assistant; alternatives are computed against xAI's current flagship model; The closest alternative to Grok is Claude Opus 4.7 — comparable intelligence (53.5 vs 53.8); for a cheaper option, GPT-5.6 Luna runs $1.00/M vs $2.00/M; and the best open-weight substitute is GLM 5.2.
Closest match
Cheaper alternatives
gpt-5.6-luna
$1.00/M input · 51.2 intel
glm-5.2
$0.818/M input · 51.1 intel
muse-spark-1.1
$1.25/M input · 50.6 intel
gemini-3.5-flash
$1.50/M input · 50.2 intel
gemini-3.6-flash
$1.50/M input · 50.1 intel
qwen3.7-max
$1.48/M input · 46.0 intel
Smarter alternatives
Open-source alternatives
Frequently asked
What is the best alternative to Grok?
Claude Opus 4.7 is the closest alternative to Grok, with an Intelligence Index of 53.5 (Grok scores 53.8) at $5.00 per million input tokens.
Is there a cheaper alternative to Grok?
Yes — GPT-5.6 Luna costs $1.00 per million input tokens versus $2.00 for Grok, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Grok?
GLM 5.2 is the strongest open-weight alternative to Grok — downloadable from Hugging Face and self-hostable, scoring 51.1 on intelligence.