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★ FeaturedFlash — fastest and cheapest, lighter reasoningCommercial API
Gemini 3.5 Flash Pricing
Google · gemini-3-5-flash
Input / 1M tokens
$1.50
Output / 1M tokens
$9.00
Context window
1,048,576 tokens
≈ 1,398 pages of text
Max output
65,536 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0054
1,000 requests / month$5.40/mo10,000 requests / month$54.00/mo100,000 requests / month$540.00/moEstimate your own workloadOpens the calculator with Gemini 3.5 Flash preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Fast, cheap multi-modal model with the same 1M-token context as the Pro tier — good for high-volume document Q&A and image/audio triage.
The business tradeoff
Reasoning quality trails the Pro tier on complex, multi-step tasks; best used where speed and context size matter more than depth.
Cheaper from Google
Head-to-head
Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.