Kimi K2 Thinking alternatives
Match · Updated July 2026
The closest alternative to Kimi K2 Thinking is o3 Pro — comparable intelligence (32.5 vs 32.7); for a cheaper option, GPT-5.6 Luna runs $0.500/M vs $0.600/M; and the best open-weight substitute is Kimi K3.
Closest match
Cheaper alternatives
gpt-5.6-luna
$0.500/M input · 51.2 intel
minimax-m3
$0.300/M input · 44.4 intel
minimax-m3:batch
$0.150/M input · 44.4 intel
deepseek-v4-pro
$0.435/M input · 44.3 intel
mimo-v2.5-pro
$0.435/M input · 42.2 intel
hy3
$0.132/M input · 41.2 intel
Smarter alternatives
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 Kimi K2 Thinking?
o3 Pro is the closest alternative to Kimi K2 Thinking, with an Intelligence Index of 32.5 (Kimi K2 Thinking scores 32.7) at $20.00 per million input tokens.
Is there a cheaper alternative to Kimi K2 Thinking?
Yes — GPT-5.6 Luna costs $0.500 per million input tokens versus $0.600 for Kimi K2 Thinking, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Kimi K2 Thinking?
Kimi K3 is the strongest open-weight alternative to Kimi K2 Thinking — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.