Hermes 4 405B alternatives
Match · Updated July 2026
The closest alternative to Hermes 4 405B is Hermes 4 70B — comparable intelligence (— vs —); for a cheaper option, GPT-5.6 Luna runs $0.500/M vs $1.00/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
glm-5.2
$0.769/M input · 51.1 intel
minimax-m3
$0.300/M input · 44.4 intel
deepseek-v4-pro
$0.435/M input · 44.3 intel
kimi-k2.6
$0.646/M input · 44.2 intel
mimo-v2.5-pro
$0.435/M input · 42.2 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
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 · 1.1M ctx
Frequently asked
What is the best alternative to Hermes 4 405B?
Hermes 4 70B is the closest alternative to Hermes 4 405B, with an Intelligence Index of — (Hermes 4 405B scores —) at $0.130 per million input tokens.
Is there a cheaper alternative to Hermes 4 405B?
Yes — GPT-5.6 Luna costs $0.500 per million input tokens versus $1.00 for Hermes 4 405B, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Hermes 4 405B?
Kimi K3 is the strongest open-weight alternative to Hermes 4 405B — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.