Gemini 2.5 Pro Preview 06-05 alternatives
Match · Updated July 2026
The closest alternative to Gemini 2.5 Pro Preview 06-05 is Gemini 3.6 Flash — comparable intelligence (50.1 vs —); for a cheaper option, GPT-5.6 Terra runs $1.00/M vs $1.25/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-5.6-luna
$0.100/M input · 51.2 intel
glm-5.2
$0.966/M input · 51.1 intel
gemini-3.5-flash:batch
$0.750/M input · 50.2 intel
gemini-3.6-flash:batch
$0.750/M input · 50.1 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 Gemini 2.5 Pro Preview 06-05?
Gemini 3.6 Flash is the closest alternative to Gemini 2.5 Pro Preview 06-05, with an Intelligence Index of 50.1 (Gemini 2.5 Pro Preview 06-05 scores —) at $1.50 per million input tokens.
Is there a cheaper alternative to Gemini 2.5 Pro Preview 06-05?
Yes — GPT-5.6 Terra costs $1.00 per million input tokens versus $1.25 for Gemini 2.5 Pro Preview 06-05, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Gemini 2.5 Pro Preview 06-05?
Kimi K3 is the strongest open-weight alternative to Gemini 2.5 Pro Preview 06-05 — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.