Mistral: Mistral Small 3.1 24B

24B

Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities.

Context
128K
Max output
102K
Input price
$0.35/1M tokens
Output price
$0.56/1M tokens

Capabilities

Reasoning & Interaction
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDmistralai/mistral-small-3.1-24b-instruct
Provider OpenRouter
Creator Mistral AI
Familymistral-small
License—
Status—
Typechat
Input modalitiestext, image
Output modalitiestext
Open weight—
Parameters24B
Architecture—
Context window128K tokens
Max input—
Max output102K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.35
Output
$0.56
Cache write
—
Cache read
$0.02
Batch in
—
Batch out
—

Family Comparison: mistral-small

ModelContextMax outPricing
Mistral: Mistral Small 3.1 24B (free)128K——
Mistral: Mistral Small 333K16K$0.05$0.08
Mistral: Mistral Small 4 (batch)262K210K$0.08$0.3
Mistral: Mistral Small 3.2 24B256K16K$0.08$0.2
Mistral: Mistral Small Creative33K—$0.1$0.3
Mistral: Mistral Small 4262K210K$0.15$0.6
Mistral: Mistral Small 3.1 24B128K102K$0.35$0.56

API

GET/v1/models/openrouter/mistralai/mistral-small-3.1-24b-instruct

Mistral: Mistral Small 3.1 24B

mistralai/mistral-small-3.1-24b-instruct

Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities.

Changes · 9 entries
mistralai/mistral-small-3.1-24b-instructupdateca7a400Nov 2, 2026, 03:02 AM
max_output_tokens131072→102400
capabilitiestool callyes
pricinginput$0.35→$0.351output$0.56→$0.555
tools["function_calling"]
mistralai/mistral-small-3.1-24b-instructupdate7bc8de4Sep 20, 2026, 06:33 AM
tools["function_calling"]
mistralai/mistral-small-3.1-24b-instructupdatee3d7dedAug 31, 2026, 04:13 AM
max_output_tokens128000→102400
mistralai/mistral-small-3.1-24b-instructupdate9e091d8May 23, 2026, 05:20 PM
max_output_tokens131072→128000
mistralai/mistral-small-3.1-24b-instructupdate73d11c6May 18, 2026, 03:39 AM
pricinginput$0.35→$0.351output$0.56→$0.555
mistralai/mistral-small-3.1-24b-instructupdate14e5cfdApr 13, 2026, 02:40 AM
context_window131072→128000
pricinginput$0.03→$0.35output$0.11→$0.56
mistralai/mistral-small-3.1-24b-instructupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
mistralai/mistral-small-3.1-24b-instructupdate2b100acMar 23, 2026, 05:30 AM
model_typechat
parameters24
release_date2025-03-17
taglineMistral Small 3.1 24B Instruct is an upgraded variant of ...
mistralai/mistral-small-3.1-24b-instructcreate7f5c66fMar 21, 2026, 05:16 AM