Devstral Medium vs Mistral Medium 3.1.
model vs model · prices as of
Mistral Medium 3.1 takes 1 of 5 rounds against Devstral Medium. Both cost $3.20 per million tokens to run.
Devstral Medium
$3.20/M tokens
Mistral AI list price, nothing below it is accounted for · $0.36 per 1,000 pages
128k context · tool calling · open weights
Mistral Medium 3.1
$3.20/M tokens
Mistral AI list price, nothing below it is accounted for · $0.36 per 1,000 pages
131k context · tool calling · reads images
List price in (lower wins)
$0.40/M
$0.40/M
List price out (lower wins)
$2/M
$2/M
Cheapest we can explain (lower wins)
none below list
none below list
Standard price (lower wins)
$3.20/M
$3.20/M
Cost per 1,000 pages (lower wins)
$0.36
$0.36
Context
128k tokens
131k tokens
Open weights
yes
not stated
Tool calling
yes
yes
Structured output
not stated
yes
Reads images
no
yes
Reasoning
no
no
Released
10 Jul 2025
13 Aug 2025
Providers selling it
4
5
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
no provider to check
no provider to check
Providers selling both · 1
Mistral AI$3.20 / $3.20
Devstral Medium then Mistral Medium 3.1, 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
- Mistral Medium 3.1
Nous Portal$0.32 / $1.60 $0.40 / $225% dearer ·
Frequently asked
- Which is cheaper, Devstral Medium or Mistral Medium 3.1?
- Neither: both run at $3.20 per million tokens, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- Devstral Medium: nobody goes below the maker's own price with a reason we can point at, so $3.20 is the number to beat. Mistral Medium 3.1: nobody goes below the maker's own price with a reason we can point at, so $3.20 is the number to beat.
- Can I buy both from one provider?
- Yes. One provider sells both: Mistral AI. The cheapest of them for the two together is Mistral AI.
- Which holds more context?
- Mistral Medium 3.1, at 131k tokens against 128k.
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.