Grok 4.5 alternatives
Quick answer · Updated July 2026
The closest alternative to Grok 4.5 is Grok Build 0.1 — comparable intelligence (— vs —); for a cheaper option, GLM 5.2 runs $0.420/M vs $2.00/M; for more speed, Morph V3 Large hits 3.4k t/s; and the best open-weight substitute is GLM 5.2.
Closest match
Cheaper alternatives
glm-5.2
$0.420/M input · 51.1 intel
gemini-3.5-flash
$1.50/M input · 50.2 intel
qwen3.7-max
$1.25/M input · 46.0 intel
minimax-m3
$0.300/M input · 44.4 intel
deepseek-v4-pro
$0.435/M input · 44.3 intel
gpt-5.3-codex
$1.75/M input · 44.3 intel
Faster alternatives
Open-source alternatives
glm-5.2
51.1 intel · open weights · 1.0M ctx
minimax-m3
44.4 intel · open weights · 1.0M ctx
deepseek-v4-pro
44.3 intel · open weights · 1.0M ctx
kimi-k2.6
44.2 intel · open weights · 262K ctx
mimo-v2.5-pro
42.2 intel · open weights · 1.0M ctx
kimi-k2.7-code
41.9 intel · open weights · 262K ctx
Frequently asked
What is the best alternative to Grok 4.5?
Grok Build 0.1 is the closest alternative to Grok 4.5, with an Intelligence Index of — (Grok 4.5 scores —) at $1.00 per million input tokens.
Is there a cheaper alternative to Grok 4.5?
Yes — GLM 5.2 costs $0.420 per million input tokens versus $2.00 for Grok 4.5, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Grok 4.5?
GLM 5.2 is the strongest open-weight alternative to Grok 4.5 — downloadable from Hugging Face and self-hostable, scoring 51.1 on intelligence.