How much does Mistral Small 3.1 cost?

We do not hold a list price for Mistral Small 3.1 yet, so we cannot compare its cost. Check the maker's own price page.

Is Mistral Small 3.1 open source?

Mistral Small 3.1 has open weights: its trained parameters can be downloaded. That is not always the same as open source, because licence terms differ, so read the licence before you use it commercially.

How good is Mistral Small 3.1 compared with other AI models?

On the Epoch Capabilities Index, Mistral Small 3.1 scores 127.5 (likely range 122.3 to 129.3), which ranks 171 of 270 models we track. Scores close together are a tie in practice.

How does Mistral Small 3.1 compare with Llama 3.3 70B?

On quality, neither model leads clearly across the 3 measures both have. 3 measures are too close to call. See the full comparison for every measure.

How current are these numbers for Mistral Small 3.1?

The newest data on this page is dated 26 Oct 2026. Scores come from Epoch AI and Arena, prices from the open LiteLLM price list.

AI Rankings

Mistral Small 3.1: Score, Price and Context Window

Where Mistral Small 3.1 from Mistral AI ranks, what it costs and how much text it can read, in plain numbers with the sources.

Data updated 26 Oct 2026

Mistral AI
Open weights
Released Mar 2025

Its score range overlaps with Mistral Large 2 (Jul 2024), the model just above it, so a small gap in rank is not a meaningful difference.

Best for

Running it yourself: its weights can be downloaded (read the licence terms first).

Skip if

Cutting-edge tasks: its overall Epoch score is in the lower part of the models we track.

These lines are worked out from the numbers on this page, not from hands-on testing.

Key facts

Overall score: 127.5; Rank 171 of 270. Likely range 122.3 to 129.3.
Weights: Open; The weights can be downloaded. Check the licence before commercial use.

We do not have an Arena human-vote rating, a list price and a context window size for Mistral Small 3.1 yet. It is shown as "Not measured" rather than guessed.

Try itMistral Vibe in our AI tools directoryMistral's Vibe assistant, formerly Le Chat, for chat, research, document work, coding sessions, and connected tasks.

How Mistral Small 3.1 stacks up

Each strip shows every model we track as faint bars. The dot is this model. Better is always to the right, even for price.

Mistral Small 3.1 compared with all models we trackOverall capability: 127.5. Better than 36% of the other 269 models.

Overall capability127.5
Better than 36% of the other 269 models
Epoch Capabilities Index: one score that combines many tests.

Compared with the other published models that have each measure. Data updated 26 Oct 2026.

Where Mistral Small 3.1 ranks

Leaderboards it appears on, best placing first.

See all leaderboards

Test results

Each test checks one kind of skill. Place shows where it stands among the models that took that test.

GPQA Diamond
Very hard multiple-choice science questions in biology, physics and chemistry, written by experts and designed so a quick web search does not give the answer.
47.5%
Place 145 of 183
OTIS Mock AIME
Maths competition problems in the style of the US AIME exam, from the 2024 and 2025 sets. Every answer is a whole number.
5.8%
Place 151 of 174

Similar models

Models from other makers with a similar overall score.

Learn more

Questions about Mistral Small 3.1

How much does Mistral Small 3.1 cost?: We do not hold a list price for Mistral Small 3.1 yet, so we cannot compare its cost. Check the maker's own price page.
Is Mistral Small 3.1 open source?: Mistral Small 3.1 has open weights: its trained parameters can be downloaded. That is not always the same as open source, because licence terms differ, so read the licence before you use it commercially.
How good is Mistral Small 3.1 compared with other AI models?: On the Epoch Capabilities Index, Mistral Small 3.1 scores 127.5 (likely range 122.3 to 129.3), which ranks 171 of 270 models we track. Scores close together are a tie in practice.
How does Mistral Small 3.1 compare with Llama 3.3 70B?: On quality, neither model leads clearly across the 3 measures both have. 3 measures are too close to call. See the full comparison for every measure.
How current are these numbers for Mistral Small 3.1?: The newest data on this page is dated 26 Oct 2026. Scores come from Epoch AI and Arena, prices from the open LiteLLM price list.

Where this data comes from

Epoch AI: Benchmark data: Epoch AI, 'Capabilities & benchmarking', epoch.ai/benchmarks (CC BY 4.0). We match models across sources, rank them and show them in charts. Scores are not changed. Epoch AI does not endorse this site.

Newest data on this page: 26 Oct 2026. Prices are list prices and change often, so confirm on the maker's site before you buy. Sponsors never change a score or an order. How we calculate this · Report a mistake