Devstral Medium

Mistral AI · 2025 · Code LLM · France

A to Z

A · App: No
B · Built By: Mistral AI
C · CEO & Politics: Arthur Mensch — European centrist / pro-EU regulation
D · Date: 2025
E · Expertise: Intermediate+
F · Free Tier: Yes
G · Generates: Text only
H · Deployment: Cloud (Mistral API); on-premise deployment for enterprises
I · Inputs: Text
J · Jurisdiction: France
K · Key Staffers: Guillaume Lample (Co-Founder, Chief Scientist), Timothée Lacroix (Co-Founder)
L · Languages: English-primary
M · Model Type: Code LLM
N · Safety Issues: None reported
O · Open Source: Proprietary
P · Pricing: Retired (Mistral API retired Devstral Medium on May 31, 2026)
Q · AIDb Rating: [UNKNOWN]
R · What Makes It Special: Mistral AI's Devstral Medium (July 10, 2025), an agentic coding model built with All Hands AI that scored 61.6% on SWE-bench Verified, which Mistral said surpassed Gemini 2.5 Pro and GPT-4.1 at a quarter of the price; offered through Mistral's API as devstral-medium-2507 at $0.40/$2 per million tokens, with private deployment and custom fine-tuning for enterprises, it launched with the open Devstral Small 1.1 and was retired from the API on May 31, 2026.
S · Stock / Status: Private (€21B+ valuation, Sep 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: API only
X · X Handle: @MistralAI
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary Code LLM from Mistral AI, released 2025.

Data completeness 85% · Last verified 2026-05-12 · Primary source ↗

“Devstral Medium.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/devstral-medium.html