Cydonia 24B V4.1 vs Mercury 2

Prices checked

Cydonia 24B V4.1 takes 3 of 5 rounds against Mercury 2. It is also the cheaper of the two to run, at $0.35 per million tokens against $0.38.

TheDrummerWins 3 rounds

Cydonia 24B V4.1

131k context · open weights

$0.35/M tokens

OpenRouter's own price · $0.21 per 1,000 pages

Inception

Mercury 2

128k context · tool calling

$0.38/M tokens

Inception's own price · $0.20 per 1,000 pages

Maker's price in (lower wins)

$0.30/M

$0.25/M

Maker's price out (lower wins)

$0.50/M

$0.75/M

Cheapest price (lower wins)

none below the maker

none below the maker

Maker's price, blended (lower wins)

$0.35/M

$0.38/M

Cost per 1,000 pages (lower wins)

$0.21

$0.20

Context

131k tokens

128k tokens

Open weights

yes

no

Tool calling

no

yes

Structured output

yes

yes

Reads images

no

no

Reasoning

no

yes

Released

27 Sept 2025

24 Feb 2026

Providers selling it

8

10

Price we measure against

OpenRouter

the maker's own

Trains on your prompts (no is better)

no provider to check

no provider to check

Providers selling both · 5

  • NanoGPT$0.30 / $0.38
  • Kilo Gateway$0.35 / $0.38
  • OpenRouter$0.35 / $0.38
  • TrustedRouter$0.37 / $0.40
  • AI/ML API$0.48 / $0.52

Cydonia 24B V4.1, then Mercury 2, per million tokens.

Go further

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

Frequently asked

Which is cheaper, Cydonia 24B V4.1 or Mercury 2?
Cydonia 24B V4.1, at $0.35 per million tokens against $0.38 for Mercury 2, blended 3 in : 1 out, read on 21 Oct 2026.
Where is each one cheapest?
Cydonia 24B V4.1: nobody sells it below OpenRouter's own price with a stated reason, so $0.35 is the number to beat. Mercury 2: nobody sells it below the maker's own price with a stated reason, so $0.38 is the number to beat.
Can I buy both from one provider?
Yes. 5 providers sell both: NanoGPT, Kilo Gateway, OpenRouter, TrustedRouter, AI/ML API. The cheapest of them for the two together is NanoGPT.
Which holds more context?
Cydonia 24B V4.1, at 131k tokens against 128k.

Prices exclude tax, read 21 Oct 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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