Solar Pro 3 alternatives
Match · Updated July 2026
The closest alternative to Solar Pro 3 is Ling-2.6-flash — comparable intelligence (14.1 vs 14.1); for a cheaper option, GPT-5.6 Luna runs $0.100/M vs $0.150/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
hy3
$0.132/M input · 41.2 intel
deepseek-v4-flash
$0.140/M input · 40.3 intel
gpt-5.4-nano:batch
$0.100/M input · 38.2 intel
mimo-v2.5
$0.140/M input · 37.2 intel
hy3-preview
$0.063/M input · 33.6 intel
Smarter alternatives
qwen3-vl-235b-a22b-instruct
14.3 intel · $0.210/M
llama-4-maverick
14.3 intel · $0.200/M
mistral-medium-3.1
14.7 intel · $0.400/M
gpt-4.1-mini
14.8 intel · $0.400/M
nemotron-3-nano-omni-30b-a3b-reasoning:free
14.9 intel · Free/M
gpt-oss-20b
14.9 intel · $0.030/M
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 Solar Pro 3?
Ling-2.6-flash is the closest alternative to Solar Pro 3, with an Intelligence Index of 14.1 (Solar Pro 3 scores 14.1) at $0.010 per million input tokens.
Is there a cheaper alternative to Solar Pro 3?
Yes — GPT-5.6 Luna costs $0.100 per million input tokens versus $0.150 for Solar Pro 3, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Solar Pro 3?
Kimi K3 is the strongest open-weight alternative to Solar Pro 3 — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.