Grok 4.5 vs Mistral Medium 3.
model vs model · prices as of
Grok 4.5 and Mistral Medium 3 split the 5 rounds this table counts: the two list price rows, the cheapest price we can explain, the standard price and context. The weighting you pick decides the rest.
xAIGrok 4.5
$12/M tokens
xAI list price, nothing below it is accounted for · $1.56 per 1,000 pages
500k context · tool calling · reads images
Mistral AIMistral Medium 3
$3.20/M tokens
cheapest we can explain, at Nous Portal · $0.36 per 1,000 pages
131k context · tool calling · reads images
List price in (lower wins)
$2/M
$1.50/M
List price out (lower wins)
$6/M
$7.50/M
Cheapest we can explain (lower wins)
none below list
$3.20/M at Nous Portal
Standard price (lower wins)
$12/M
$12/M
Cost per 1,000 pages (lower wins)
$1.56
$0.36
Context
500k tokens
131k tokens
Open weights
no
not stated
Tool calling
yes
yes
Structured output
yes
yes
Reads images
yes
yes
Reasoning
yes
no
Released
8 Jul 2026
7 May 2025
Providers selling it
35
6
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
no provider to check
not stated
Providers selling both · 1
Nous Portal$12 / $3.20
Grok 4.5 then Mistral Medium 3, per million tokens
Go further
Add a third or fourth model, or switch the weighting, in the tool.
What moved in the last seven days
- Grok 4.5Nous Portal$1.60 / $4.80 $2 / $625% dearer ·
- Mistral Medium 3Nous Portal$0.32 / $1.60 $0.40 / $225% dearer ·
Frequently asked
- Which is cheaper, Grok 4.5 or Mistral Medium 3?
- Mistral Medium 3, at $3.20 per million tokens against $12 for Grok 4.5, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- Grok 4.5: nobody goes below the maker's own price with a reason we can point at, so $12 is the number to beat. Mistral Medium 3: $3.20 at Nous Portal.
- Can I buy both from one provider?
- Yes. One provider sells both: Nous Portal. The cheapest of them for the two together is Nous Portal.
- Which holds more context?
- Grok 4.5, at 500k tokens against 131k.
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.