Llama Guard 3 8B vs Mercury 2

Prices checked

Llama Guard 3 8B takes 4 of 5 rounds against Mercury 2. It is also the cheaper of the two to run, at $0.20 per million tokens against $0.38.

MetaWins 4 rounds

Llama Guard 3 8B

131k context · open weights

$0.20/M tokens

Cheapest price, at Groq · $0.13 per 1,000 pages

View at Groq
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)

$0.48/M

$0.25/M

Maker's price out (lower wins)

$0.03/M

$0.75/M

Cheapest price (lower wins)

$0.20/M at Groq

none below the maker

Maker's price, blended (lower wins)

$0.37/M

$0.38/M

Cost per 1,000 pages (lower wins)

$0.13

$0.20

Context

131k tokens

128k tokens

Open weights

yes

no

Tool calling

no

yes

Structured output

no

yes

Reads images

no

no

Reasoning

no

yes

Released

23 Jul 2024

24 Feb 2026

Providers selling it

7

10

Price we measure against

Cloudflare Workers AI

the maker's own

Trains on your prompts (no is better)

not published

no provider to check

Providers selling both · 0

No provider we read sells both, so running the two means two accounts.

Go further

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

Frequently asked

Which is cheaper, Llama Guard 3 8B or Mercury 2?
Llama Guard 3 8B, at $0.20 per million tokens against $0.38 for Mercury 2, blended 3 in : 1 out, read on 21 Oct 2026.
Where is each one cheapest?
Llama Guard 3 8B: $0.20 at Groq. 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?
No provider we read sells both, so running the two means two accounts and two bills.
Which holds more context?
Llama Guard 3 8B, 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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