Mistral: Mistral Small 3.1 24B (free)

Mistral: Mistral Small 3.1 24B (free)

mistralai · Released Mar 17, 2025 Professional
Intelligence #14 / 590
82.0 Our Score
Speed #64 / 279
147.9 tokens / sec
Input
— Not priced
Output
— Not priced
Context #340 / 592
128,000 tokens

Analysis Summary

Mistral Small 3.1 24B (free) is the zero-cost tier of Mistral's Small 3.1 model, released March 2025. It combines tool use, function calling, and vision support with a 128K context window. Its coding index of 26.3 and agentic index of 16.4 are strong for a free model, and LiveCodeBench at 0.212 and tau2 at 0.251 suggest genuine agentic and coding capability above the entry tier.

For businesses, this is one of the most capable free options for coding assistance, structured tool-use workflows, and multimodal content tasks. The instruction-following and long-context retrieval scores are reasonable, making it suitable for document-aware workflows. Its intelligence index of 14.7 limits it on complex reasoning tasks.

At no cost, the value proposition is strong for teams that want to prototype agentic or coding workflows without budget commitment. It is a practical choice for internal tooling, code review assistance, and content generation at scale.

Assessed June 30, 2026

Editorial notes

Mistral Small 3.1 24B (free) delivers strong coding and agentic benchmarks with tool use, function calling, and vision support at zero cost, making it one of the most capable free multimodal options available.

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence2.7Technical3.2Value0Content2.8
Intelligence 2.7/10
Technical 3.2/10
Content 2.8/10
Value 0/10

How Mistral: Mistral Small 3.1 24B (free) compares

Mistral: Mistral Small 3.1 24B (free) ranks #178 of 385 AI models we track for overall intelligence, #69 of 139 for coding, #210 of 293 for agentic tasks. Its 128K-token context window is larger than 43% of the models we list. Mistral: Mistral Small 3.1 24B (free) is currently free to use via OpenRouter.

About Mistral: Mistral Small 3.1 24B (free)

Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art performance in text-based reasoning and vision tasks, including image analysis, programming, mathematical reasoning, and multilingual support across dozens of languages. Equipped with an extensive 128k token context window and optimized for efficient local inference, it supports use cases such as conversational agents, function calling, long-document comprehension, and privacy-sensitive deployments. The updated version is Mistral Small 3.2

24B Parameters

Capabilities

Tool Use Function Calling Vision

Performance Indices

Source: Artificial Analysis

14.7 Intelligence Index
26.3 Coding Index
16.4 Agentic Index
3.7 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 45.4% Graduate-level scientific reasoning
HLE 4.8% Humanity's Last Exam
MMLU Pro 65.9% Multi-task language understanding
MATH 500 70.7% Mathematical problem-solving
AIME 9.3% Competition mathematics
AIME 2025 3.7% Competition mathematics (2025)
SciCode 26.5% Scientific computing

Technical

LiveCodeBench 21.2% Live coding evaluation
TerminalBench Hard 7.6% Agentic terminal tasks
τ²-Bench 25.1% Conversational agent benchmark

Content

IFBench 29.9% Instruction following
LCR 19.7% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Mistral: Mistral Small 3.1 24B (free) stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID mistralai/mistral-small-3.1-24b-instruct:free
Providermistralai
Model FamilyMistral
Release Date March 17, 2025
Context Length128,000 tokens
Status Active

Leaderboard Categories

Frequently asked questions about Mistral: Mistral Small 3.1 24B (free)

How much does Mistral: Mistral Small 3.1 24B (free) cost?

Mistral: Mistral Small 3.1 24B (free) is currently available for free via OpenRouter.

What is the context window of Mistral: Mistral Small 3.1 24B (free)?

Mistral: Mistral Small 3.1 24B (free) has a context window of 128,000 tokens (128K).

Is Mistral: Mistral Small 3.1 24B (free) good for coding?

On our coding benchmark index, Mistral: Mistral Small 3.1 24B (free) ranks #69 of 139 models, placing it in the broader range of the field for code generation and debugging.

What can Mistral: Mistral Small 3.1 24B (free) do?

Mistral: Mistral Small 3.1 24B (free) supports image/vision input, tool use, and function calling.

Who created Mistral: Mistral Small 3.1 24B (free)?

Mistral: Mistral Small 3.1 24B (free) is developed by Mistral and was released on March 17, 2025.