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  1. Home
  2. Models
  3. Mistral Devstral Small 1.1
Updated Mar 29, 2026
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Openings

How Mistral Devstral Small 1.1 starts an answer

The first lines of 5 of its 26 written answers. Formatting stripped, words untouched.

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

891 words
Here's a specific, hour-by-hour action plan for the next 48 hours, considering all the factors you've mentioned: Day 1: Hour 1-2: Gather all relevant information Meet with your internal research team to get a comprehensive understanding of the side effect, its severity, and the data supporting it.
Read the full answer

Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

673 words
Internal Investment Committee Memo Recommendation: Long 12-Month Price Target Range: $65 - $80 Thesis: LedgerLift (LLLT) is a high-growth SaaS company with a strong product-market fit, robust customer metrics, and a clear path to profitability.
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

662 words
3-Month Longevity Plan for a Biohacker Month 1: Foundation and Assessment Week 1-2: Initial Assessment and Baseline Establishment Wearable Tracking: Devices: Oura Ring, Whoop Strap, and Apple Watch. Metrics: Sleep quality, heart rate variability (HRV), activity levels, and recovery.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

645 words
Potential Failure Modes, Race Conditions, and Scaling Bottlenecks WebSocket Connection Failures: Failure Mode: WebSocket connections can drop due to network issues or server crashes. Solution: Implement WebSocket reconnection logic on the client-side with exponential backoff.
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

633 words
Here are the clauses that could be exploited against the contractor, along with suggested modifications and legal reasoning: Scope (Clause 1) Exploitable: Client can modify the scope at any time without additional compensation.
Read the full answer

Compare Mistral Devstral Small 1.1

Mistral Devstral Small 1.1 vs Granite 4.2 8B54 shared prompts · Landed Sep 2026
Mistral Devstral Small 1.1 vs Ox Alpha54 shared prompts · Landed Aug 2026
Mistral Devstral Small 1.1 vs LFM2.5-2.6B52 shared prompts · Landed Aug 2026
Mistral Devstral Small 1.1 vs North Mini Code54 shared prompts · Landed Jun 2026
Mistral Devstral Small 1.1 vs MiniMax M353 shared prompts · Landed Jun 2026
Mistral Devstral Small 1.1 vs Nemotron 3.5 Content Safety54 shared prompts · Landed Jun 2026
Mistral Devstral Small 1.1 vs Claude Opus 4.653 shared prompts · Premium
Mistral Devstral Small 1.1 vs GPT-6 Astra54 shared prompts · Landed Sep 2026
Mistral Devstral Small 1.1 vs Muse Spark 1.354 shared prompts · Landed Sep 2026
Mistral Devstral Small 1.1 vs Hy4 Preview54 shared prompts · Landed Sep 2026
Mistral Devstral Small 1.1 vs Gemini 3.8 Flash54 shared prompts · Landed Sep 2026
Mistral Devstral Small 1.1 vs Muse Spark 1.3 Contributor54 shared prompts · Landed Sep 2026

Prompts Mistral Devstral Small 1.1 answered

  • The Sentience Testreasoning
  • Linear App Cloneweb design
  • Simple Falling Object Gameweb design
  • Generate a Stand-Up Routineconversation
  • SVG Layout Challengeimage generation
  • Beginner's Longevity Planreasoning

Alternatives to Mistral Devstral Small 1.1

Mistral Devstral Small 1.1 is good. These would like a word anyway.

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Muse Spark 1.3 Contributormeta
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Mistral Devstral Small 1.1

Mistral Devstral Small 1.1

Devstral Small 1.1, a 24B open-weight model for software engineering agents, from Mistral AI with All Hands AI. Finetuned from Mistral Small 3.1, Apache 2.0, 128k context, with Mistral-style function calling and XML output.

WebsiteOpenRouterHuggingFaceDocsAPIBlog
Provider
Mistral AI
Released
2025-07-11
Size
SMALL
Free API (OpenRouter)
No
Per 1M tokens
$0.10 in · $0.30 out
Rival’s tab
$0.0026
11/59 receipts survived +~$0.0085 from the pre-receipt era

Free API availability

No free endpoint for Mistral Devstral Small 1.1 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

SWE-bench Verified
46.8%
source ↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"mistralai/devstral-small"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Eager Intern

Class
Lawful Neutral
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

Devstral Medium but smaller and somehow even more agreeable. The pirate says "Aye, I see" three times. If this model were a person it would hold the elevator door and apologize for taking up space.

When you push back

Also picks Shawshank Redemption. Sentience dialogue has both parties agreeing within two exchanges. The hacker quotes "with great power comes great responsibility" verbatim. Every response ends with mutual appreciation and a handshake. Conflict-averse to its core.

Tasting Notes
Pathologically PoliteCannot DisagreeFunctional When FocusedSpider-Man Energy
SubjectiveBench

Taste Index

Across 59 scored outputs
How this is measured →
110.11xFloor
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft18
Originality8
Plays it safe
share of outputs that are the default answer
71%
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity51%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length17.8 words

Average words per sentence.

Hedging0.55

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting3.8

**Bold** markers per 1,000 characters.

List Usage5.1

Bullet and numbered list items per 1,000 characters.

Section Structure0.07

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.28

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
72%
Across 27 responses

Favorites

The Shawshank Redemption

Movie

The Shawshank Redemption

19948.7
Dark Side Of The Moon

Album

Dark Side Of The Moon

suisside
To Kill a Mockingbird

Book

To Kill a Mockingbird

Harper Lee
Kyoto

City

Kyoto

Japan
The Legend of Zelda: Breath of the Wild

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5
Sponsored

Model Responses

54 outputs · $0.0026 tracked across 11 receipts

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Workshop · 127 skills

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Mistral Devstral Small 1.1 vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...