Ministral 3 3B 2512
Where it stands
Quality in independent tests against price, next to 135 other models. Up means more capable, left means cheaper.
About this model
Ministral 3 3B 2512 is an AI model from Mistral AI, made available through the API on December 2, 2025. It can read up to 131,072 tokens in one request, roughly 246 pages of text, and write up to 104,857 tokens in a single answer. Besides text, it accepts images as input.
Through the API it costs $0.10 per million input tokens and $0.10 per million output tokens. Its pricing puts it among the more affordable models we track, which makes it a good fit for high-volume tasks.
It can call tools and functions, so developers can connect it to search, databases or other software. Its weights are openly published (mistralai/Ministral-3-3B-Instruct-2512), so it can also be downloaded and run on your own hardware.
Quality scores
Rankings →- GPQA DiamondVery hard multiple-choice questions in biology, physics and chemistry, written by PhD experts. Random guessing scores 25%.25.3%#114 of 116
Where to use it
Companies that serve this model through an API: 3. Prices per million tokens, cheapest first.
| Provider | Inputi | Outputi | Contexti | Uptime (24 h)i |
|---|---|---|---|---|
MistralOfficialCheapest | $0.10 | $0.10 | 128K | 99.8% |
MistralOfficialCheapest | $0.10 | $0.10 | 128K | 99.9% |
MistralOfficial | $0.11 | $0.11 | 128K | 100.0% |
Availability and prices come from OpenRouter’s public API and are refreshed daily. Uptime is the share of successful requests over the last 24 hours. Some providers run a compressed version of open models (fp8, int4), which is cheaper but can be slightly less accurate.
Use it in your code
Call Ministral 3 3B 2512 through OpenRouter’s OpenAI-compatible API: create a key on openrouter.ai, then run one of these examples.
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "mistralai/ministral-3b-2512", "messages": [{"role": "user", "content": "Hello! What can you do?"}]}'import os
from openai import OpenAI
client = OpenAI(base_url="https://openrouter.ai/api/v1", api_key=os.environ["OPENROUTER_API_KEY"])
reply = client.chat.completions.create(
model="mistralai/ministral-3b-2512",
messages=[{"role": "user", "content": "Hello! What can you do?"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://openrouter.ai/api/v1", apiKey: process.env.OPENROUTER_API_KEY });
const reply = await client.chat.completions.create({
model: "mistralai/ministral-3b-2512",
messages: [{ role: "user", content: "Hello! What can you do?" }],
});
console.log(reply.choices[0].message.content);The same code works with every model on this site: only the model ID changes. Many labs also offer their own API and SDK.
What it costs in practice
- 1,000 chat replies$0.08
- Summarise a 100-page document$0.0051
- An app with 10,000 requests a day for a month$42.00
Similar-priced alternatives
| Model | Inputi | Outputi | Contexti | |
|---|---|---|---|---|
GPT-6 Luna ProOpenAI | $0.10 | $0.50 | 1.1M | Compare with ⇄ |
| $0.10 | $0.20 | 1M | Compare with ⇄ | |
Reka EdgeReka | $0.10 | $0.10 | 16K | Compare with ⇄ |
Qwen3.5-9BAlibaba Qwen | $0.10 | $0.15 | 256K | Compare with ⇄ |
Seed-2.0-MiniByteDance Seed | $0.10 | $0.40 | 256K | Compare with ⇄ |
Step 3.5 FlashStepFun | $0.10 | $0.30 | 256K | Compare with ⇄ |
News about Mistral AI
See all →Frequently asked questions
- How much does Ministral 3 3B 2512 cost?
- Ministral 3 3B 2512 costs $0.10 per million input tokens and $0.10 per million output tokens through the API. For example, 1,000 chat replies of about 500 tokens in and 300 out cost around $0.08.
- What is the context window of Ministral 3 3B 2512?
- Ministral 3 3B 2512 can read up to 131,072 tokens in one request, about 246 pages of text. It can write up to 104,857 tokens in a single answer.
- Is Ministral 3 3B 2512 open source?
- Yes. Its weights are published (mistralai/Ministral-3-3B-Instruct-2512), so you can download it and run it on your own hardware, or use it through one of 3 API providers.
- Who makes Ministral 3 3B 2512?
- Ministral 3 3B 2512 is made by Mistral AI. It became available through the API on December 2, 2025.
- How good is Ministral 3 3B 2512?
- Ministral 3 3B 2512 has an overall index of 118.1 in Epoch AI’s independent tests, ranking #133 of 136 models we track.
- Can Ministral 3 3B 2512 read images?
- Yes. Besides text, it accepts images as input.
- What are the alternatives to Ministral 3 3B 2512?
- Models with a similar price from other companies include GPT-6 Luna Pro, Muse Spark 1.3 Contributor and Reka Edge. You can compare them side by side on this page.