Code Assistant

Devstral 2 Environmental Impact

StandardEstimated

Open-weight coding model — laptop-runnable

Architecture
Transformer (code-specialised)
Context
128,000 tokens
Provider
Mistral AI
0.60 Wh
Energy per query
0.38 g
CO₂ per query
3 mL
Water per query
2x more than
vs Google search

Energy per query

0.60 Wh

2x more than a Google search (0.3 Wh)

CO2 per query

0.38 g

France grid (50 gCO₂/kWh)

Water per query

3 mL

~400 queries to fill 1 litre

Processing location

Mistral AI (France) / self-hosted

Provider

Mistral AI

Category

Code Assistant

Grid carbon intensity

50 g CO2/kWh (90% renewable)

How does Devstral 2 compare?

Ranked #40 of 152 models by energy per query

0 Wh0.4 Wh0.8 Wh1.2 Wh1.6 WhDevstral 2CodestralCursorGitHub CopilotGoogle search (0.3 Wh)

Detailed Breakdown

Energy Consumption

Devstral 2 is Mistral's open-source coding model, designed to run on laptops. At ~0.6 Wh per completion, it's more efficient than Codestral and optimised for local software engineering workflows.

Power Source & Carbon

Open-source and laptop-runnable. When run locally, it inherits the user's grid carbon intensity. Via Mistral API, benefits from France's clean grid.

Water Usage

At ~2.5 mL per completion via API. Zero water when run locally.

About Devstral 2

Devstral 2 is an open-source code assistant model from Mistral AI, released in December 15, 2025, that runs well below the category average for energy consumption at 0.60 Wh per query. Because its weights are publicly available, it can be self-hosted on any infrastructure — meaning its carbon footprint depends entirely on where and how you choose to run it. It open-weight coding model — laptop-runnable.

Devstral 2 benefits from running in France, one of the cleaner grid regions in our dataset at 50 gCO₂/kWh with 90% renewable energy. The same model running in a coal-heavy region would produce significantly more carbon per query.

These figures are estimates derived from hardware specifications and API benchmarks — Mistral AI has not published official energy data for Devstral 2. Actual consumption may vary significantly depending on batching, quantisation, and infrastructure optimisations that we cannot observe from outside.

Devstral 2 in Context

5.5 kWh
per year

Your yearly Devstral 2 footprint

At 25 queries per day, your annual Devstral 2 usage consumes 5.5 kWh — comparable to running a LED light bulb for a month. That produces 3.5 kg of CO₂.

Key Insights

Runs on a 90% renewable grid — among the cleanest AI inference locations
Open-source weights — can be self-hosted on infrastructure you control

What does your Devstral 2 usage cost the planet?

Use our calculator to estimate your personal environmental footprint based on how often you use Devstral 2.

Calculate My Compute

Frequently Asked Questions

How much energy does Devstral 2 use per query?

Each Devstral 2 query consumes approximately 0.60 Wh of energy. This is 2x more than a traditional Google search (~0.3 Wh).

What is Devstral 2's carbon footprint?

Based on the carbon intensity of Mistral AI (France) / self-hosted, each query produces approximately 0.38 g of CO2. The grid in this region has a carbon intensity of 50 g CO2/kWh with 90% renewable energy.

How much water does Devstral 2 use?

Each query consumes approximately 3 mL of water, primarily used for cooling the data centers that process the request.

How does Devstral 2 compare to a Google search?

A Devstral 2 query uses 2x more than a Google search in terms of energy. A Google search uses approximately 0.3 Wh, while Devstral 2 uses 0.60 Wh.

Technical Details

Architecture

Transformer (code-specialised)

Context window

128,000 tokens

Release date

2025-12-15

Open source

Yes

Training data cutoff

2025-12