Compare

Gemini 3.5 Flash vs DeepSeek V4.1 Flash: API price compared

On Kontinent AI, Gemini 3.5 Flash costs $0.30 input and $1.80 output per million tokens, and DeepSeek V4.1 Flash costs $0.165 input and $0.66 output per million tokens. DeepSeek V4.1 Flash is cheaper on both.

Try Gemini 3.5 Flash now Get an API key
  • No subscription
  • Pay only for requests that get an answer
  • Your balance does not expire
  • Sign in with Google or email

Price per million tokens

Gemini 3.5 Flash DeepSeek V4.1 Flash
Input Official price $1.50 , Kontinent AI $0.30 Official price $0.30 , Kontinent AI $0.165
Output Official price $9.00 , Kontinent AI $1.80 Official price $1.20 , Kontinent AI $0.66
Cached input Official price $0.15 , Kontinent AI $0.03 Official price $0.006 , Kontinent AI $0.0033
Multiple 5x less 1.8x less

USD per million tokens. The struck-through figure is the maker's official price (Google, DeepSeek). The figure beside it is ours.

What jobs cost on each

Job Gemini 3.5 Flash DeepSeek V4.1 Flash
1,000 support-bot replies Official price $6.75 , Kontinent AI $1.35 Official price $1.05 , Kontinent AI $0.58
One coding-agent session Official price $0.48 , Kontinent AI $0.10 Official price $0.08 , Kontinent AI $0.05
1,000 document summaries Official price $8.70 , Kontinent AI $1.74 Official price $1.56 , Kontinent AI $0.86

Official price struck through, ours below it. Each job is priced the way the API bills it.

Try Gemini 3.5 Flash and DeepSeek V4.1 Flash with one key

Switch between them by changing the model name. Both cost a fraction of the official price, and every response shows what it cost.

Try Gemini 3.5 Flash now Get an API key
  • No subscription
  • Pay only for requests that get an answer
  • Your balance does not expire
  • Sign in with Google or email

Side by side

Maker Google DeepSeek
Context window 1M tokens 1M tokens
Beyond plain chat Tool calling, Structured output, Image input Tool calling
Thinks before answering Yes, billed as output Yes, billed as output
Speed, measured by us not measured yet 2,951 ms ยท 38.1 tok/s (19 Oct)
Formats chat chat messages

Questions

Which is cheaper, Gemini 3.5 Flash or DeepSeek V4.1 Flash?

On Kontinent AI, Gemini 3.5 Flash costs $0.30 input and $1.80 output per million tokens, and DeepSeek V4.1 Flash costs $0.165 input and $0.66 output per million tokens. DeepSeek V4.1 Flash is cheaper on both.

What does a coding-agent session cost on each?

A session of 200,000 input tokens and 20,000 output tokens, uncached, costs $0.10 with Gemini 3.5 Flash and $0.05 with DeepSeek V4.1 Flash on Kontinent AI. At the official prices it costs $0.48 and $0.08.

Can I use both with one API key?

Yes. One Kontinent AI key calls every model in the catalogue. Change the model name in the request to switch.

Which one gives better answers?

This page compares price, context and formats. It does not rank answer quality, which depends on your task. Try both on your own prompts: one key calls both.

Pay a fraction of the official price

One API key for Claude, GPT, Gemini and open models. A prepaid balance, no subscription.

Try Gemini 3.5 Flash now Get an API key
  • No subscription
  • Pay only for requests that get an answer
  • Your balance does not expire
  • Sign in with Google or email

All comparisons