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Gemini 3.5 Flash vs Gemini 3.6 Flash

Alphabetical by model id, so this URL is the one to index. Gemini 3.5 Flash is google/gemini-3.5-flash. Gemini 3.6 Flash is google/gemini-3.6-flash. Both are among the models the most providers list, inside the Google group.

A

Gemini 3.5 Flash

$22.50

per month at the reference workload

  • Reasoning
  • Tool use
  • Structured output
  • Vision
  • Long context

vs

B

Gemini 3.6 Flash

$10.13

per month at the reference workload

  • Reasoning
  • Tool use
  • Structured output
  • Vision
  • Long context
100 requests a day, 2,000 input tokens and 500 output tokens, no cache hits. A light chat workload so the rate cards are comparable.
SpecGemini 3.5 FlashGemini 3.6 Flash
Monthly, reference workload$22.50$10.13
Input / 1M$1.50$0.75
Output / 1M$9.00$3.75
Cache read / 1M$0.15$0.075
Cache write / 1M——
Context1,048,5761,048,576
Max output65,53665,536
ReasoningYesYes
Tool callsYesYes
VisionYesYes
Open weightsNoNo
Providers3429
Released2026-05-192026-07-21

Same workload, your numbers

Prices are USD per 1M tokens. A month is 30 days. Cache hits use the cache-read rate when the model has one; otherwise the cache field is ignored.

Gemini 3.5 Flash costs $12.38 more per month than Gemini 3.6 Flash at these inputs.

monthly = requests/day × 30 × (input tokens × (1 − cache hit) × input price + input tokens × cache hit × cache-read price + output tokens × output price) ÷ 1,000,000