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Devstral Small
Devstral Small

Open WeightsChat & ReasoningtextUpdated July 10, 2025
Some details or benchmark scores on this page are self-reported by developers and unconfirmed.

Devstral Small

📌 Model Overview

Mistral coding agent model for repository tasks and software engineering workflows

Devstral Small is a Open Weights model developed by Mistral AI, released on 2025-07-10. It is designed primarily for Chat Reasoning workloads. Featuring a 128K tokens context window and Undisclosed parameter count, it offers robust performance for enterprise integration, developers, and researchers.


✨ Key Features & Capabilities

Specification Table
FeatureDescription
Context Window128K tokens capacity for extended prompts and multi-turn workflows
Primary TaskOptimized for Chat Reasoning
Deploymentself-hostable, api-only
Modalitytext
Max OutputMax Output: 128K tokens
Tool / function calling supportTool / function calling support

⚙️ Technical Specifications

Specification Table
SpecificationDetails
Developer / LabMistral AI
Release Date2025-07-10
Model TypeOpen Weights
ParametersUndisclosed
Context Window128K tokens
LicenseApache-2.0
Model Familydevstral

📊 Benchmarks & Performance

Specification Table
BenchmarkScoreSource
SWE-Bench Verified53.6%Independent Eval

💰 Pricing

Specification Table
Tier / UnitRate (USD)
1M input tokens$0.1
1M output tokens$0.3

🔗 Resources & Links

Specification Table

📜 License & Usage

This model is governed by the Apache-2.0 license. Please check official developer guidelines before commercial deployment.

Key Features

Max Output: 128K tokens

Feature 01

Tool / function calling support

Feature 02

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Verified Sources

Tags

tool-callingopen-weights

Model Specs

open-weights

Parameters

Undisclosed

Context Window

128K tokens

License

Apache-2.0

Deployment

self-hostableapi-only

Pricing

  • 1M input tokens$0.1
  • 1M output tokens$0.3

as of 2026-07-26

Resources & Links

Lineage

Model Family

Part of the devstral family

Curator Notes

Skeleton entry imported from models.dev backfill (2026-07-26). Needs manual enrichment and primary-source verification.

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