Mistral Small 3.1 24B alternatives
Match · Updated July 2026
The closest alternative to Mistral Small 3.1 24B is Mistral Medium 3.5 — comparable intelligence (29.9 vs —); for a cheaper option, GPT-5.6 Luna runs $0.100/M vs $0.351/M; and the best open-weight substitute is Kimi K3.
Closest match
Cheaper alternatives
gpt-5.6-luna
$0.100/M input · 51.2 intel
minimax-m3
$0.300/M input · 44.4 intel
minimax-m3:batch
$0.150/M input · 44.4 intel
hy3
$0.132/M input · 41.2 intel
nex-n2-pro
$0.250/M input · 41.0 intel
deepseek-v4-flash
$0.140/M input · 40.3 intel
Open-source alternatives
kimi-k3
57.1 intel · open weights · 1.0M ctx
glm-5.2
51.1 intel · open weights · 1.0M ctx
minimax-m3
44.4 intel · open weights · 1.0M ctx
minimax-m3:batch
44.4 intel · open weights · 524K ctx
deepseek-v4-pro
44.3 intel · open weights · 1.0M ctx
kimi-k2.6
44.2 intel · open weights · 262K ctx
Frequently asked
What is the best alternative to Mistral Small 3.1 24B?
Mistral Medium 3.5 is the closest alternative to Mistral Small 3.1 24B, with an Intelligence Index of 29.9 (Mistral Small 3.1 24B scores —) at $1.50 per million input tokens.
Is there a cheaper alternative to Mistral Small 3.1 24B?
Yes — GPT-5.6 Luna costs $0.100 per million input tokens versus $0.351 for Mistral Small 3.1 24B, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Mistral Small 3.1 24B?
Kimi K3 is the strongest open-weight alternative to Mistral Small 3.1 24B — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.