Gemini 3.1 Pro Preview alternatives
Match · Updated July 2026
The closest alternative to Gemini 3.1 Pro Preview is Qwen3.7 Max — comparable intelligence (46.0 vs 46.5); for a cheaper option, GPT-5.6 Terra runs $1.00/M vs $2.00/M; and the best open-weight substitute is Kimi K3.
Closest match
Cheaper alternatives
gpt-5.6-terra
$1.00/M input · 55.0 intel
claude-sonnet-5:batch
$1.00/M input · 53.4 intel
gpt-5.4:batch
$1.25/M input · 51.4 intel
gpt-5.6-luna
$0.100/M input · 51.2 intel
glm-5.2
$0.966/M input · 51.1 intel
muse-spark-1.1
$1.25/M input · 50.6 intel
Smarter alternatives
gemini-3.6-flash
50.1 intel · $1.50/M
gemini-3.6-flash:batch
50.1 intel · $0.750/M
gemini-3.5-flash
50.2 intel · $1.50/M
gemini-3.5-flash:batch
50.2 intel · $0.750/M
muse-spark-1.1
50.6 intel · $1.25/M
glm-5.2
51.1 intel · $0.966/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 Gemini 3.1 Pro Preview?
Qwen3.7 Max is the closest alternative to Gemini 3.1 Pro Preview, with an Intelligence Index of 46.0 (Gemini 3.1 Pro Preview scores 46.5) at $1.48 per million input tokens.
Is there a cheaper alternative to Gemini 3.1 Pro Preview?
Yes — GPT-5.6 Terra costs $1.00 per million input tokens versus $2.00 for Gemini 3.1 Pro Preview, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Gemini 3.1 Pro Preview?
Kimi K3 is the strongest open-weight alternative to Gemini 3.1 Pro Preview — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.