NEWHow AI models draw the world map · Gecko Tests
Beta
Home/Models/Devstral 2 2512
Mistral AI logo

Devstral 2 2512

by Mistral AI · Released Dec 2025

Open Source
28.8
avg score
Rank #262
Compare
Better than 18% of all models
Context
262K tokens (~131 books)
Input $/1M
$0.40
Output $/1M
$2.00
Type
text
License
Open Source
Benchmarks
8 tested
Data as of
About

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. Devstral 2 supports exploring...

Tested on 8 benchmarks · BenchGecko score 28.8. Top scores: LiveBench — Coding (66.8%), LiveBench — Mathematics (52.5%), LiveBench — Language (45.7%).

Looking for similar performance at lower cost?
Llama 3.3 70B Instruct (free) scores 28.9 (100% as good) at $0.00/1M input · 100% cheaper
Capabilities
coding
55.1
#70 globally
reasoning
33.4
#121 globally
math
52.5
#121 globally
knowledge
41.2
#201 globally
language
29.6
#146 globally
Benchmark Scores
Compare All
Tested on 8 benchmarks · Ranked across 5 categories
Score Distribution (all 319 models)
0255075100
▲ You are here
codingCompare coding →
LiveBench — Coding

Regularly refreshed coding problems that avoid data contamination. New problems added monthly to prevent memorization.

66.8·
LiveBench — Agentic Coding

LiveBench coding tasks that require multi-step reasoning and tool use. Tests planning and execution of complex coding workflows.

43.3·
reasoningCompare reasoning →
LiveBench — Data Analysis

Fresh data analysis tasks testing ability to interpret tables, charts, and statistical data.

39.1·
LiveBench — Reasoning

Regularly refreshed reasoning problems testing logical deduction, spatial reasoning, and analytical thinking.

27.7·
mathCompare math →
LiveBench — Mathematics

Regularly updated math problems that test numerical reasoning, algebra, calculus, and combinatorics.

52.5·
Quick compare:OpenAI logovs GPT-5.4 NanoMeta logovs Llama 3.3 70B Instruct (free)xAI logovs Grok-2 (Dec 2024)
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Recently Happened
Devstral 2 2512 pricing dropped 9%
Aug 31, 2026
Devstral 2 2512 pricing increased 10%
Aug 25, 2026
Similar Models
OpenAI logo
GPT-5.4 Nano
OpenAI
28.8$0.20/1M
Meta logo
Llama 3.3 70B Instruct (free)
Meta
28.9Free
xAI logo
Grok-2 (Dec 2024)
xAI
28.9n/a
Links
Info
Mistral AIPricing explorerDevelopers · API
Research
Technical Report
Documentation
API DocsPlayground
Community
@Mistral AI
Source Code
GitHubHugging Face
BenchGecko API
devstral-2512
Specifications
  • Typetext
  • Context262K tokens (~131 books)
  • ReleasedDec 2025
  • LicenseOpen Source
  • StatusActive
  • Cost / Message~$0.003
Available On
Mistral AI logoMistral AI$0.40
Categories
codingreasoningmathknowledgelanguage
Learn More
context-windowtransformeropen weightstokens
Share & Export
Tweet
Related Models
OpenAI logoGPT-5.4 Nano
28.8
Meta logoLlama 3.3 70B Instruct (free)
28.9
xAI logoGrok-2 (Dec 2024)
28.9
Mistral AI logoMistral 7B Instruct V0.2
29.3
Devstral 2 2512 is an open-source text AI model by Mistral AI, released in December 2025. It has an average benchmark score of 28.8. Context window: 262K tokens.

Related Models

GPT-5.4 Nano · OpenAILlama 3.3 70B Instruct (free) · MetaGrok-2 (Dec 2024) · xAIMistral 7B Instruct V0.2 · Mistral AIHunyuan A13B Instruct · tencent

Benchmarks

LiveBench — CodingLiveBench — MathematicsLiveBench — LanguageLiveBench — Agentic CodingLiveBench — Overall

Related Pages

Mistral AI · ProviderMistral AI · EconomyAll ModelsCompare ModelsPricingDevelopers · APIContext Window · Glossary

Key facts · as of 2026-10-16

  • Devstral 2 2512 by Mistral AI. BenchGecko score 28.8, rank 262 of 319 scored models (normalized average of public benchmark scores).
  • List price $0.40 input · $2.00 output per 1M tokens (as of 2026-10-16).
  • Sold by 1 provider (as of 2026-10-16): Mistral $0.40 in / $2.00 out.
  • Gecko Tests · Gecko Score 30 (rank 17): Who Are You E (Sometimes says it is OpenAI) · Knowledge Horizon D (Knows news up to Nov 2024) · Tokenizer Tax C (53% more tokens outside English).

How to cite · data as of 2026-10-16

Devstral 2 2512 · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-16. https://benchgecko.ai/model/devstral-2512

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP