AI model comparison

Devstral 2 2512 vs GPT-4.1 Mini

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window.

Input / 1M
$0.40
Output / 1M
$2
Context
262K

GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost.

Input / 1M
$0.40
Output / 1M
$1.60
Context
1.05M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

openai logo

GPT-4.1 Mini

1.1x cheaper for a typical chat

Higher intelligence score

openai logo

GPT-4.1 Mini

10.2 vs 8.6 on Artificial Analysis

Larger context window

openai logo

GPT-4.1 Mini

1.05M vs 262K tokens

Newer release

mistralai logo

Devstral 2 2512

Released December 9, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

mistralai logoDevstral 2 25128.6
openai logoGPT-4.1 Mini10.2

Coding index

mistralai logoDevstral 2 251231.3
openai logoGPT-4.1 Mini20.2

Agentic index

mistralai logoDevstral 2 25122.3
openai logoGPT-4.1 MiniNot available

Pricing

Devstral 2 2512 vs GPT-4.1 Mini API pricing

Per-token API rates. Cheaper option highlighted.

Metricmistralai logoDevstral 2 2512openai logoGPT-4.1 Mini
Input tokensPer 1M tokens$0.40$0.40
Output tokensPer 1M tokens$2$1.60
Cached input (read)Per 1M tokens$0.04$0.10
Cache writePer 1M tokensNot availableNot available
Web searchPer requestNot available$0.01

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

mistralai logoDevstral 2 2512$1.80
openai logoGPT-4.1 Mini$1.60

Coding task

30K in, 4K out

mistralai logoDevstral 2 2512$20$9.20 cached
openai logoGPT-4.1 Mini$18.40$9.40 cached

Long document summary

150K in, 2K out

mistralai logoDevstral 2 2512$64$10 cached
openai logoGPT-4.1 Mini$63.20$18.20 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricmistralai logoDevstral 2 2512openai logoGPT-4.1 Mini
Context window262K tokens1.05M tokens
Max output210K tokens33K tokens
Input typesFile, TextFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateDecember 9, 2025April 14, 2025

Features

Supported features

API features available for each model.

Metricmistralai logoDevstral 2 2512openai logoGPT-4.1 Mini
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningNot supportedNot supported
TemperatureSupportedSupported
Stop sequencesSupportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

GPT-4.1 Mini is 1.1x cheaper for a typical chat. GPT-4.1 Mini scores higher on the Artificial Analysis Intelligence Index (10.2 vs 8.6). GPT-4.1 Mini has the larger context window (1.05M vs 262K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Devstral 2 2512 or GPT-4.1 Mini cheaper?

GPT-4.1 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-4.1 Mini costs $0.40 per 1M input tokens and $1.60 per 1M output tokens, while Devstral 2 2512 costs $0.40 per 1M input tokens and $2 per 1M output tokens.

Which has a bigger context window, Devstral 2 2512 or GPT-4.1 Mini?

GPT-4.1 Mini supports up to 1.05M tokens of context, compared with 262K for Devstral 2 2512.

Is Devstral 2 2512 smarter than GPT-4.1 Mini?

On the Artificial Analysis Intelligence Index, Devstral 2 2512 scores 8.6 and GPT-4.1 Mini scores 10.2, putting GPT-4.1 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Devstral 2 2512 and GPT-4.1 Mini at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Devstral 2 2512 and GPT-4.1 Mini answer side by side and keep the better response.

mistralai logoopenai logo

Why choose? Ask both.

Send one prompt to Devstral 2 2512 and GPT-4.1 Mini at the same time. Compare the answers side by side and keep the best one.