gemini-3.5-flash vs qwen3.8-flash

Google Gemini against Alibaba Qwen, priced on the same four workloads with price book 2026-10-22.

On real workloads

Workloadgemini-3.5-flash per callqwen3.8-flash per callMonthly difference
Chat reply
1,500 input and 400 output tokens, 100,000 calls a month
$0.00585$0.000413 −$543.70
RAG answer, cached context
2,000 fresh + 4,000 cached input, 500 output, 100,000 calls a month
$0.0081$0.000599 −$750.10
Agent step
4,000 fresh + 8,000 cached input, 800 output, 250,000 calls a month
$0.01$0.0011 −$3,324.00
Batch summary
3,000 input and 300 output tokens via the Batch API, 1,000,000 calls a month
$0.0036— —

Monthly difference is qwen3.8-flash minus gemini-3.5-flash. Batch rows use each provider's Batch API rates where published. Price both on your own workload.

Rates

ModelInputOutputCache readCache writeContext
google/gemini-3.5-flash$1.50$9.00$0.15—1M
qwen/qwen3.8-flash$0.15$0.47$0.016$0.20991.8K

Price is one input. Before switching, run your own prompts through both and compare quality; then veqen diff prices the change at your production volume.