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ModelCap

Mistral Small 3

Arena #311Official publisher releaseOpen weights

Mistral AI·#400 of 504 in the all-versions archive

Mistral Small 3 is a language model from Mistral AI. It ranks #400 of 504 in ModelCap's all-versions archive, with an Index score of 22.9, measured on 2 public benchmarks. Its score range of 17.8–28.0 spans positions #368–#422. It is listed at $0.05 per million input tokens and $0.08 per million output tokens from one provider. It reads up to 33K tokens of context, and its weights are openly downloadable.

Figures as of 6 Nov 2026, 20:32 UTC · download the public dataset · methodology

ModelCap Index · All-versions archive
22.9#400
Measured on 2 public benchmarks · range 17.8–28.0
Evidence as of 28 Oct 2026, 00:00 UTC
Market Gravity
45.6Increased by 0.1
Secondary market signal

Superseded by Mistral Small 4. It no longer holds a current-board position; its all-versions archive rank is #400.

Input
$0.05
per 1M tokens
Output
$0.08
per 1M tokens
Context
33K
tokens
Providers
1
endpoint

Providers

Uptime measured over the last 30 minutes
ProviderInputOutputContextQuantUptime
DeepInfrafp8$0.05$0.0833Kfp8100.0%

Reported evaluation leads (1)

Not independent measurement

Structured rows reported in this exact model repository at the pinned revision below. They are the publisher talking about itself: never measured evidence, never a score input on their own. They remain quarantined until dataset revision, harness, configuration and identity pass ModelCap’s independent admission review.

Dataset / taskMetricValueRevisionProvenance
TIGER-Lab/MMLU-Pro
mmlu_pro
—66.3
Unpinned
not published
Reported
Quarantined

Other versions (1)

ModelCap Index · All-versions archive

Methodology
22.9
Measured on 2 public benchmarks
All-versions archive
#400 of 504
Score range
17.8–28.0
Rank range
#368–#422
Evidence as of
28 Oct 2026, 00:00 UTC
Benchmarks used
Arena Coding, Arena Overall
Technical details
Public rank basis
Measured (measured)
Evidence label
Measured · 2 public benchmark observations across 2 boards
Index support
61.7% · strong
Identity binding
Exact catalogue product · mistralai/mistralai/mistral-small-24b-instruct-2501 · aggregates disclosed benchmark configurations · endpoint configuration not claimed · artifact metadata mistralai/Mistral-Small-24B-Instruct-2501@9527884be6e5616bdd54de542f9ae13384489724 (not the evaluation revision)
Index observations used
2
Qualified Index evidence point
22.9
Bayesian Evidence Score · measured evidence input only

BES normalizes admitted public benchmark evidence for measured Index rows. Its legacy score and observables prior do not define the public language rank.

Observed capability
22.9
Evidence status
confirmed · 77% mass
General preference
22.8
Coding
23.2
Agents & tools
—
Reasoning
—
Evidence breadth
92%
Evidence coverage
62%
Market and catalogue signals · secondary, never the language Index rank
Usage (OpenRouter popularity)
13.2
Liquidity (providers × uptime)
98.7
Open reach (HF downloads)
88.0
Surface (context / tools / modalities)
15.1
Freshness
8.6
  • · OpenRouter popularity #157
  • · 1 live provider
  • · HF 30d downloads 93983
  • · Catalogue: context 32768
  • · First seen 2025-01-30

These adoption and deployment observations remain context only. They do not change this model's ModelCap Index score or rank.

BES evidence selected · measured input only

The bounded 0–100 capability score blends each source’s competitive placement with its published achievement, then combines capability families. Evidence breadth adds a modest uncertainty adjustment; price and popularity are not part of benchmark-led rank.

Deployment readiness

Metadata index
82.5
strong · 98% metadata coverage
Not capability
Artifact reproducibility
100.0
Access & legal clarity
100.0
Deployability
74.0
Evaluation provenance
51.4

Not yet published: pinned evaluation dataset versions.

A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.

Market activity

Venue coverage
Market Gravity
45.6
OpenRouter weekly popularity
#157 of 339

Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.

Arena preference

Status
Ranked
Source
LMArena
Official rank
#311 of 419
Rating
1274.4
95% confidence interval
1268–1280
Votes
15K
Source published at
28 Oct 2026, 00:00 UTC
Category
overall
Identity match confidence
99%

Market Gravity breakdown

Usage55%
13.2

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
98.7

Independent providers versus the model's open or closed cohort, weighted by uptime.

Open reach15%
88.0

Hugging Face 30-day downloads for open models; neutral for closed models.

Freshness5%
8.6

Time since first public availability, on a six-month half-life.

Specification

Model ID
mistralai/mistral-small-24b-instruct-2501
Context window
33K tokens
Declared output cap
16K tokens

OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. OpenRouter metadata

Inputs
Text
Outputs
Text
Tokenizer
Mistral
Cached input tokens
Not offered
First seen on OpenRouter
30 Jan 2025
Knowledge cutoff
2023-10-31

Capabilities

  • Not supported: Reasoning
  • Not supported: Tool use
  • Supported: Structured output
  • Supported: Response format
  • Not supported: Moderated

Weights & access

Open weights. Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI.

Access
Open weights
Licence
apache-2.0
Pinned revision
9527884be6e5
Parameters
23.6B
Architecture
MistralForCausalLM
Model type
mistral
Hugging Face downloads (30d)
94K
Downloads (all time)
7.4M
Likes
991
Repository updated
28 Jul 2025, 17:26 UTC

Benchmark leaderboards featuring Mistral Small 3

All leaderboards
Public benchmark boards on which Mistral Small 3 has a published result
LeaderboardScoreSource rankConfigurationPublished
Arena text leaderboardArena (LMArena)12741268–1280#311 of 419Not reported28 Oct 2026
Arena coding leaderboardArena (LMArena)13121299–1324#302 of 414Default28 Oct 2026

Mistral Small 3: common questions

How does Mistral Small 3 rank among AI models?

Mistral Small 3 is a superseded version and is not on the current board as of 6 November 2026. Its archive position, where one exists, is shown on the page; the newer version carries the current rank.

How much does Mistral Small 3 cost per 1M tokens?

Mistral Small 3 is listed at $0.05 per 1M input tokens and $0.08 per 1M output tokens as of 6 November 2026. Prices come from the OpenRouter catalogue and re-observe on every refresh. For 1,000 requests using 2,000 input and 500 output tokens each, the listed rates imply $0.14 total (2M input + 0.5M output). This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the chosen endpoint's rate and limits before budgeting.

What is the context window of Mistral Small 3?

Mistral Small 3 has a published context window of 33K tokens (32,768). The snapshot lists a 16,384 token catalogue-declared route output cap. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. The providers table lists each endpoint's context limit.

Is Mistral Small 3 open-weight?

Open weights (apache-2.0). Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI. The repository is mistralai/Mistral-Small-24B-Instruct-2501 on Hugging Face.

Which API providers serve Mistral Small 3?

One provider serves Mistral Small 3 through OpenRouter as of 6 November 2026: DeepInfra. Each provider's price, context limit, quantization and measured uptime are in the providers table above.

Which benchmarks has Mistral Small 3 been evaluated on?

Mistral Small 3 has published results on 2 public boards tracked by ModelCap as of 6 November 2026: Arena text 1274 (#311 of 419) and Arena coding 1312 (#302 of 414). Each board page ranks every tracked model on that benchmark. The ModelCap Index scores the results its methodology admits, with published uncertainty, and shows reference boards without scoring them.

When was Mistral Small 3 released?

Mistral Small 3 first appeared in the catalogue on 30 Jan 2025, with a published knowledge cutoff of 2023-10-31. It has since been superseded by Mistral Small 4. Rank and price movements since then are recorded on the site's changes feed.