Mistral AI
Mistral AI
CodeOpen Weights (Open) Verified Architecture & SpecsFree ($0 API Tokens)

Mistral Small 3.1 24B

Efficient multimodal model for instruction following, coding, reasoning, and function calling

Technical Architecture & Execution Specifications
Architecture Overview

Mistral Small 3.1 24B

Efficient multimodal model for instruction following, coding, reasoning, and function calling

Memory Math Breakdown
  • • FP16 Weights = 24.0B × 2B = 48.00 GB
  • • INT4 Weights = 24.0B × 0.55B = 13.20 GB
  • • KV Cache (128000 ctx, FP16) ≈ 24.41 GB
  • • Activation Buffer = ~20% overhead
Supported Modalities
textimage

Hardware & Execution ParametersCode

Total Parameter Count24B
Active Parameters (MoE)Dense Architecture
Context Window Capacity128,000 tokens
Model Weights Footprint48.0 GB (FP16) / 13.2 GB (INT4)
Distribution LicenseOpen Weights (Open)
Standard API Pricing (1M Tokens)Free / Self-Hosted
Model Heritage & Evolutionary Lineage
Mistral v3.1

Genealogical Graph & Evolutionary Provenance

Tracing foundational base architecture ancestry, architectural successors, scale siblings, and reasoning distillation derivatives.

Active SelectionMar 2025
Mistral Small 3.1 24B
24B128,000 CtxCurrent Spec
AI Model Architecture & Intelligence

Architecture Engineering & Capability Deep-Dive

An objective architectural evaluation of Mistral Small 3.1 24B by Mistral AI, analyzing underlying compute dynamics, memory constraints, and deployment economics.

Topology & Attention Mechanics

Optimizes context handling via Sliding Window Attention (SWA) and byte-fallback BPE for unpadded token batching efficiency.

Architecture Type:Advanced Transformer

Evaluation Profile & Reasoning

Exhibits frontier-tier behavior in reasoning and coding.

Domain Specialty:Code

LLM Hardware Sizing & Serving

For open deployments via vLLM/SGLang, quantization (INT4/AWQ) is heavily recommended to fit dense memory constraints, or multi-GPU pipeline parallelism for full FP16.

KV Cache Mgmt: PagedAttention / FlashAttention-3
Hosting Type:Open Weights (Open)

Inference Economics & Workflows

Well-suited for enterprise pipelines where capability is balanced against per-million token costs.

Enterprise Fit:Production Ready
Production Trade-Offs & Capability Balance

Architectural Strengths vs. Considerations

An objective balance sheet analyzing the operational advantages and production constraints of deploying Mistral Small 3.1 24B.

Key Architectural Strengths

  • Sliding Window Attention (SWA) and byte-fallback BPE optimize unpadded token batching for extreme throughput.
  • Massive 128,000-token context allows full-repository and book-length ingestion.

Operational Considerations

  • SWA limits exact dense attention past the sliding window size, slightly affecting ultra-long context exact retrieval.
  • 128k+ token prefill stages become heavily compute-bound and balloon KV cache without PagedAttention chunking.
LLM Hardware Sizing & Runtime Compatibility

Inference Runtimes & Hardware Sizing

Deployment targets, inference engines, and memory requirements for Mistral Small 3.1 24B.

Recommended Hardware Profile:
1x RTX 4070 / 4080 (16GB) or Mac M-Series (16GB Unified)
Consumer GPU (< 16 GB VRAM)
Est. 57.6 GB (FP16) / 15.8 GB (INT4)
Production Serving Recipes
vLLM Production
python3 -m vllm.entrypoints.openai.api_server --model Mistral Small 3.1 24B --tensor-parallel-size 1 --gpu-memory-utilization 0.95 --max-model-len 4096 --enable-chunked-prefill
Ollama / llama.cpp
ollama run mistral small 3.1 24b
SGLang Structured
python3 -m sglang.launch_server --model-path Mistral Small 3.1 24B --tp 1 --trust-remote-code
TGI Serving
text-generation-launcher --model-id Mistral Small 3.1 24B --num-shard 1 --max-batch-prefill-tokens 32000
Supported Inference Engines
vLLM

High-throughput PagedAttention server

Supported
Ollama

One-click CLI & local desktop serving

Supported
SGLang

Fast multi-turn structured decoding

Supported
TGI

Text Generation Inference

Supported
Llama.cpp

GGUF CPU/Apple Silicon execution

Supported
Precision & Quantization Formats
BF16 / FP16Full Precision

~57.6 GB VRAM required

FP8 (E4M3)Native FP8

~28.8 GB VRAM (Hopper speedup)

AWQ / GPTQ (4-bit)Activation-Aware

~15.8 GB VRAM

GGUF (Q4_K_M)Quantized Binary

CPU RAM / Apple Silicon optimized

Commercial Rates & Inference Costs

API & Deployment Pricing

Open-weights model available for local and private cloud deployment. Compute costs depend on the target GPU hardware instance.

Deployment TierPricing Structure
Open Checkpoint Weights$0.00 (Free Download)
Inference Token Consumption$0.00 / Token
Inference Cost & ROI Engine
Market Cloud Rate
Prompt / Input Volume:50M Tokens / mo
1M500M1,000M
Generated / Output Volume:10M Tokens / mo
1M250M500M
Estimated Monthly Spend
$64.00/ mo
Input (50M @ $0.80/1M):$40.00
Output (10M @ $2.40/1M):$24.00
Cloud GPU Breakeven Ratio
RunPod RTX 4090 ($316/mo)0.20x spend
Lambda 1x H100 ($1,800/mo)0.04x spend
💡 Open-weights model. You can self-host for $0 token API charge or consume via managed serverless endpoints at the rates shown above.
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Integration & Deployment
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ.get("MISTRAL_AI_KEY", "EMPTY"),
    base_url="http://localhost:8000/v1"
)

response = client.chat.completions.create(
    model="mistral-mistral-small-3-1-24b-instruct-2503",
    messages=[{"role": "user", "content": "Explain quantum superposition in 2 sentences."}]
)
print(response.choices[0].message.content)
Frequently Asked Questions

Frequently Asked Questions about Mistral Small 3.1 24B

Essential facts, architectural specs, hardware constraints, and pricing answers for Mistral Small 3.1 24B.

To run Mistral Small 3.1 24B (24B) locally, you generally need Depends on quantization. We recommend using quantized GGUF/AWQ formats with Ollama or vLLM to optimize memory footprint.

Primary Sources & Access Repositories

All technical specifications, parameter distributions, context architectures, and benchmark evaluations for Mistral Small 3.1 24B are audited against primary source release documentation, research whitepapers, and verified vendor API endpoints.

api id:mistral/mistral-small-3-1-24b-instruct-2503
knowledge cutoff:2024-06