Gemini 2.5 Flash vs Gemini 3.5 Flash Lite.

model vs model · prices as of

Gemini 3.5 Flash Lite takes 1 of 5 rounds against Gemini 2.5 Flash. It is also the cheaper of the two to run, at $1.70 per million tokens against $2.43.

Google

Gemini 2.5 Flash

$2.43/M tokens

cheapest we can explain, at Poe · $0.234 per 1,000 pages

1M context · tool calling · reads images

Poe
Googlewins 1 rounds

Gemini 3.5 Flash Lite

$1.70/M tokens

cheapest we can explain, at Kilo Gateway · $0.165 per 1,000 pages

1M context · tool calling · reads images

List price in (lower wins)

$0.30/M

$0.30/M

List price out (lower wins)

$2.50/M

$2.50/M

Cheapest we can explain (lower wins)

$2.43/M at Poe

$1.70/M at Kilo Gateway

Standard price (lower wins)

$3.40/M

$3.40/M

Cost per 1,000 pages (lower wins)

$0.234

$0.165

Context

1M tokens

1M tokens

Open weights

no

no

Tool calling

yes

yes

Structured output

yes

yes

Reads images

yes

yes

Reasoning

yes

yes

Released

17 Jun 2025

21 Jul 2026

Providers selling it

39

31

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

not stated

not stated

Providers selling both · 25

  • Kilo Gateway$3.40 / $1.70
  • Poe$2.43 / $3.43
  • Jiekou$3.23 / $3.40
  • 302.AI$3.40 / $3.40
  • Abacus$3.40 / $3.40
  • CrossModel$3.40 / $3.40
  • Eden AI$3.40 / $3.40
  • FastRouter$3.40 / $3.40

Gemini 2.5 Flash then Gemini 3.5 Flash Lite, per million tokens · showing the 8 cheapest of 25

Go further

Add a third or fourth model, or switch the weighting, in the tool.

What moved in the last seven days

  1. Gemini 2.5 FlashNous Portal$0.24 / $2 $0.30 / $2.5025% dearer ·
  2. Gemini 2.5 FlashPoe$0.30 / $2.53 $0.21 / $1.8029% cheaper ·
  3. Gemini 3.5 Flash LiteNous Portal$0.24 / $2 $0.30 / $2.5025% dearer ·
  4. Gemini 3.5 Flash LiteRequesty$0.33 / $2.75 $0.30 / $2.509% cheaper ·

Frequently asked

Which is cheaper, Gemini 2.5 Flash or Gemini 3.5 Flash Lite?
Gemini 3.5 Flash Lite, at $1.70 per million tokens against $2.43 for Gemini 2.5 Flash, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?
Gemini 2.5 Flash: $2.43 at Poe. Gemini 3.5 Flash Lite: $1.70 at Kilo Gateway.
Can I buy both from one provider?
Yes. 25 providers sell both: Kilo Gateway, Poe, Jiekou, 302.AI, Abacus, CrossModel, and more. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?
Both hold 1M tokens in one call.

Prices exclude tax and are per million tokens, read 16 Sept 2026 from each provider's own catalog. The standard price blends three parts input to one part output; a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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