Mistral Small 3
Mistral Small 3 is a language model from Mistral released on Jan 30, 2025. It reads text and writes text, with a 33K token context window and up to 16K tokens per reply.
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It costs $0.05 per million input tokens and $0.08 per million output tokens.
It supports tool calling and structured JSON output, and its weights are open, so you can host it yourself.
5 providers serve it, including Deep Infra, Eden AI and Kilo Gateway.
- Modalities
- In / out price
- $0.05 / $0.08 per 1M
- Context
- 33K
- Max output
- 16K
- Released
- Jan 30, 2025
- Knowledge cutoff
- Oct 2023
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Mistral Small 3 pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.05 / 1M tokens | |
|---|---|---|
| Output | $0.08 / 1M tokens |
Mistral Small 3 providers
5 providers serve it, including Deep Infra, Eden AI and Kilo Gateway. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Deep Infra | $0.05 | $0.08 | – | 33K | 16K |
| Eden AI | $0.05 | $0.08 | – | 33K | 16K |
| Kilo Gateway | $0.05 | $0.08 | – | 33K | 16K |
| AI/ML API | $0.0688 | $0.11 | – | 33K | 16K |
| NanoGPT | $0.1155 | $0.3465 | – | 33K | 8K |
What Mistral Small 3 costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Mistral Small 3 through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Temperature
temperature
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Mistral Small 3 questions
How much does the Mistral Small 3 API cost?
$0.05 per million input tokens and $0.08 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Mistral Small 3?
32,768 tokens of input, and it can write up to 16,384 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Mistral Small 3?
5 providers serve it, including Deep Infra, Eden AI and Kilo Gateway. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Mistral Small 3 support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Mistral Small 3 open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was Mistral Small 3 released?
Jan 30, 2025, with training data up to Oct 2023.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on Mistral Small 3?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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