Model Tracker
Devstral 2
Devstral 2 is an AI model made by Mistral AI. Mistral AI released it on 9 December 2025. It is deprecated. It takes text and returns text.
Devstral 2 is an AI model made by Mistral AI. Mistral AI released it on 9 December 2025. It is deprecated. It takes text and returns text. Its context window is 256,000 tokens. Through the API it costs $0.40 per 1M tokens for input and $2.00 per 1M tokens for output. Its weights are open. Its licence is Modified MIT License.
- Released
- 9 December 2025 — docs.mistral.ai, read 16 October 2026
- Status
- Deprecated — docs.mistral.ai, read 16 October 2026
- Takes
- Text — mistral.ai, read 16 October 2026
- Returns
- Text — mistral.ai, read 16 October 2026
- Open weights
- Yes — mistral.ai, read 16 October 2026
- Licence
- Modified MIT License — huggingface.co, read 16 October 2026
- Context window
- 256,000 tokens — mistral.ai, read 16 October 2026
- Longest answer
- Not confirmed: The maker's pages reviewed do not state a standard maximum output-token limit for this model.
- Knowledge cutoff
- Not confirmed: The maker's pages reviewed do not state a knowledge-cutoff date for this model.
- API price, input
- $0.40 per 1M tokens — mistral.ai, read 16 October 2026
- API price, output
- $2.00 per 1M tokens — mistral.ai, read 16 October 2026
- Where
- API, Downloadable weights — huggingface.co, read 16 October 2026
- Parameters
- 123,000,000,000 parameters — mistral.ai, read 16 October 2026
- Model card
- Not confirmed: two readings disagree: https://huggingface.co/mistralai/Devstral-2-123B-Instruct-2512 and https://docs.mistral.ai/models/devstral-2-25-12/
Benchmarks
Measured by others, not by the maker: each score with the name the measurer gives the model and the setting it ran, its day and its licence.
Arena
- Code Arena (WebDev), Devstral 2: 1,197 (1,176–1,217, 1,182 votes), published 18 October 2026
Arena’s leaderboard dataset (lmarena-ai/leaderboard-dataset on Hugging Face), CC BY 4.0: ratings from people’s votes between two anonymous models, as Arena publishes them. Data · CC BY 4.0
Questions
When was Devstral 2 released?
Mistral AI released Devstral 2 on 9 December 2025.
Is Devstral 2 still available?
It is deprecated: Mistral AI has announced the date it will retire it.
What is the context window of Devstral 2?
The context window of Devstral 2 is 256,000 tokens, as Mistral AI prints it.
How much does the Devstral 2 API cost?
On the standard tier, Devstral 2 costs $0.40 per 1M tokens for input and $2.00 per 1M tokens for output, as Mistral AI lists it.
Are the weights of Devstral 2 open?
Yes: Mistral AI publishes the weights of Devstral 2 for download.
What is the licence of Devstral 2?
The licence of Devstral 2 is Modified MIT License, as Mistral AI names it.
What does Devstral 2 take and return?
Devstral 2 takes text and returns text.
How many parameters does Devstral 2 have?
Devstral 2 has 123,000,000,000 parameters parameters, as Mistral AI publishes it.
More from Mistral AI
- Codestral
- Codestral Mamba 7B
- Devstral Medium 1.0
- Devstral Small 1.0
- Devstral Small 1.1
- Devstral Small 2
- Leanstral
- Leanstral 1.5
- Magistral Medium 1.0
- Magistral Medium 1.1
- Magistral Medium 1.2
- Magistral Small 1.0
- Magistral Small 1.1
- Magistral Small 1.2
- Mathstral 7B
- Ministral 3 14B
- Ministral 3 8B
- Ministral 8B
- Mistral 7B
- Mistral Large 1.0
- Mistral Large 2.0
- Mistral Large 2.1
- Mistral Large 3
- Mistral Large 4
Sources
- Devstral 2 - Mistral AI | Mistral Docs (read 16 October 2026)
- Introducing: Devstral 2 and Mistral Vibe CLI. (read 16 October 2026)
- Changelog | Mistral Docs (read 16 October 2026)
- mistralai/Devstral-2-123B-Instruct-2512 (read 16 October 2026)
- mistralai/Devstral-2-123B-Instruct-2512 at main (read 16 October 2026)