Mistral Small 4
Mistral Small 4 is a reasoning model from Mistral released on Mar 16, 2026. It reads text and images and writes text, with a 262K token context window and up to 256K tokens per reply.
Show moreShow less
It costs $0.15 per million input tokens and $0.60 per million output tokens. Cached input bills at $0.015, 90% less than fresh input.
It supports tool calling, structured JSON output and prompt caching, and its weights are open, so you can host it yourself.
17 providers serve it, including SAP AI Core, DevPass (LLM Gateway) and Eden AI. The lowest input price is $0.07 per million tokens at SAP AI Core.
On the Artificial Analysis Intelligence Index it scores 11.3, which places it at number 38 among the 43 models I track with independent scores.
- Modalities
- In / out price
- $0.15 / $0.60 per 1M
- Context
- 262K
- Max output
- 256K
- Released
- Mar 16, 2026
- Knowledge cutoff
- Jun 2025
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Mistral Small 4 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 | $0.15 / 1M tokens | |
|---|---|---|
| Output | $0.60 / 1M tokens | |
| Cached input (read) | $0.015 / 1M tokens | 90% off input |
Mistral Small 4 providers
17 providers serve it, including SAP AI Core, DevPass (LLM Gateway) and Eden AI. The lowest input price is $0.07 per million tokens at SAP AI Core. 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 |
|---|---|---|---|---|---|
| Mistral First party | $0.15 | $0.60 | $0.015 | 262K | 256K |
| SAP AI Core | $0.07 | $0.28 | – | 128K | 128K |
| DevPass (LLM Gateway) | $0.15 | $0.60 | – | 262K | 256K |
| Eden AI | $0.15 | $0.60 | $0.015 | 262K | 256K |
| EmpirioLabs AI | $0.15 | $0.60 | $0.15 | 256K | 66K |
| Kilo Gateway | $0.15 | $0.60 | $0.015 | 262K | 210K |
| LLM Gateway | $0.15 | $0.60 | – | 262K | 256K |
| Pioneer | $0.15 | $0.60 | $0.015 | 32K | 32K |
| Tempr Gateway | $0.15 | $0.60 | – | 256K | 256K |
| Cortecs | $0.156 | $0.625 | $0.016 | 262K | 256K |
| LowRouter | $0.1569 | $0.6275 | $0.0157 | 256K | 256K |
| Prime Inference | $0.165 | $0.66 | – | 262K | 210K |
Showing 12 of 17 providers: the lab first, then the major clouds, then the cheapest resellers.
What Mistral Small 4 costs per month
Pick a workload close to yours or type your own volumes.
Independent benchmarks
Measured by third parties, not reported by Mistral. Each links to its source and shows the date I checked it.
A composite of 10 independent evaluations (agents 30%, coding 20%, scientific reasoning 20%, general 30%), run by Artificial Analysis on each model, version 4.3.2.
Artificial Analysis, checked Oct 10, 2026
Median output tokens per second measured by Artificial Analysis on the provider API, for the same model setting as its index score.
Artificial Analysis, checked Oct 10, 2026
Benchmarks Mistral reports (1)
Labs pick their own settings and harnesses, so compare these only within one lab.
Supported request parameters
What you can set when you call Mistral Small 4 through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
Alternatives to Mistral Small 4
Models that take the same inputs and call tools, closest in price, cheaper ones first.
- Index 39.5
Reads text and images. Tool calling, structured output, reasoning. Served by 56 providers.
by deepseekSep 10, 20261M context$0.15/M input tokens$0.60/M output tokens56 providers
- Index 41.8
Reads text, images, files and video. Tool calling, structured output, reasoning. Served by 65 providers.
by z-aiAug 21, 20261M context$0.15/M input tokens$0.50/M output tokens65 providers
- Index 39.8
Reads text, images and video. Tool calling, structured output, reasoning. Served by 23 providers.
by qwenAug 26, 20261M context$0.15/M input tokens$0.47/M output tokens23 providers
- Index 14.7
Reads text and images. Tool calling, structured output, reasoning. Served by 42 providers.
by googleApr 2, 2026262K context$0.14/M input tokens$0.40/M output tokens42 providers
- Index 43.4
Reads text, images and files. Tool calling, structured output, reasoning. Served by 26 providers.
by anthropicOct 7, 20261M context$0.10/M input tokens$0.50/M output tokens26 providers
- Index 38.1
Reads text, images and files. Tool calling, structured output, reasoning. Served by 27 providers.
by openaiSep 22, 20261.05M context$0.10/M input tokens$0.50/M output tokens27 providers
More from Mistral
- Index 38.4
Reads text and images. Tool calling, structured output, reasoning. Served by 9 providers.
by mistralaiOct 6, 20261.05M context$0.68/M input tokens$2.09/M output tokens9 providers
- 1.05M context
Reads text and images. Tool calling, structured output, reasoning.
by mistralaiOct 6, 2026$0.68/M input tokens$2.09/M output tokens
- Index 14.2
Reads text, images and files. Tool calling, structured output, reasoning. Served by 18 providers.
by mistralaiApr 29, 2026262K context$1.50/M input tokens$7.50/M output tokens18 providers
- 262K context
Reads text and images. Tool calling, structured output, reasoning. Served by 5 providers.
by mistralaiApr 29, 2026$1.50/M input tokens$7.50/M output tokens5 providers
- 262K context
Reads text and images. Tool calling, structured output, reasoning.
by mistralaiMar 16, 2026$0.40/M input tokens$1.40/M output tokens
Voxtral Mini TTS
SpeechTurns text into spoken audio.
by mistralaiMar 1, 2026
Mistral Small 4 questions
How much does the Mistral Small 4 API cost?
$0.15 per million input tokens and $0.60 per million output tokens, with cached input at $0.015. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Mistral Small 4?
262,144 tokens of input, and it can write up to 256,000 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Mistral Small 4?
17 providers serve it, including SAP AI Core, DevPass (LLM Gateway) and Eden AI. The lowest input price is $0.07 per million tokens at SAP AI Core. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Mistral Small 4 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 4 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 4 released?
Mar 16, 2026, with training data up to Jun 2025.
How good is Mistral Small 4 compared with other models?
It scores 11.3 on the Artificial Analysis Intelligence Index. Benchmarks are a shortlist, not a verdict: test the top two or three candidates on your own tasks before you commit.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. Independent scores from my hand checked rankings, sources linked above. The summary is written from these facts.
Building on Mistral Small 4?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
Book Meeting