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Mistral Small 4 Pricing 2026

Complete pricing guide for Mistral Small 4 — plans, costs, and free options.

FreemiumOpen weights under Apache 2.0 license — free to download, self-host, fine-tune, and use commercially. Available via Mistral API (Mistral Small tier pricing) and Le Chat (free + Pro plans).Updated June 12, 2026

💰 Mistral Small 4 Pricing Overview

Mistral Small 4 uses a freemium pricing model. Free tier available with optional paid upgrades. Current pricing: Open weights under Apache 2.0 license — free to download, self-host, fine-tune, and use commercially. Available via Mistral API (Mistral Small tier pricing) and Le Chat (free + Pro plans).. Mistral Small 4 is a popular llm-apis tool known for mistral's unified open-source model — reasoning + vision + coding, apache 2.0. You can get started with Mistral Small 4 for free and upgrade to a paid plan as your needs grow.

🔍 Compare Before You Buy

See all 4 alternatives →

Comparing Mistral Small 4 to similar tools helps you make the best choice for your budget and needs:

Mistral Medium 3.5

Freemium

Mistral's 128B merged flagship — open weights, coding+reasoning+instructions

Starting at $1.5/month

Compare with Mistral Small 4

Claude Opus 4.8

Paid

Anthropic's flagship model — stronger coding, agents, and honesty

Starting at $5/month

Compare with Mistral Small 4

Llama (Meta AI)

Open Source

Meta's open-source LLM for research and commercial use

Free to use

Compare with Mistral Small 4

Mistral Small 4 Plans & Pricing

Most Popular

Available via Mistral API (Mistral Small tier pricing) and Le Chat (free + Pro plans).

See website

* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official Mistral Small 4 website for the latest pricing.

Is Mistral Small 4 Free?

Yes, Mistral Small 4 offers a free plan

Mistral Small 4 offers a free tier that lets you try the platform without any payment. The free plan typically includes core features with usage limits. For power users, paid plans unlock additional features, higher limits, and priority support.

Is Mistral Small 4 Worth It?

Mistral Small 4 is a freemium llm-apis tool that offers 10 key features including 119B total parameters, 6B active per token (MoE: 128 experts, 4 active), 256k token context window, Unified reasoning, vision, and coding in a single model. Mistral's first unified open-source model, released March 16, 2026. A 119B MoE model (6B active parameters per token) that merges reasoning (Magistral), multimodal vision (Pixtral), and agentic coding (Devstral) into a single Apache 2.0 model. 256k context window. 40% faster and 3× higher throughput than Mistral Small 3. Beats GPT-OSS 120B on coding and reasoning benchmarks while generating shorter outputs.

Mistral Small 4 is a good choice if you need:

  • 119B total parameters, 6B active per token (MoE: 128 experts, 4 active)
  • 256k token context window
  • Unified reasoning, vision, and coding in a single model
  • Configurable reasoning effort: reasoning_effort='none' (fast) or 'high' (deep)
  • Native image input support (text + vision in one model)

💡 Value Assessment

With a free tier available, Mistral Small 4 is an easy recommendation for anyone looking to try llm-apis tools without financial commitment. The paid plans offer good value for power users who need the additional features and higher usage limits.

Mistral Small 4 Key Features

Mistral Small 4 comes packed with features that make it a strong contender in the llm-apis space. Here's what you get:

1.
119B total parameters, 6B active per token (MoE: 128 experts, 4 active)

Available in the free plan with limits — 119B total parameters, 6B active per token (MoE: 128 experts, 4 active) helps you work more efficiently with Mistral Small 4.

2.
256k token context window

Available in the free plan with limits — 256k token context window helps you work more efficiently with Mistral Small 4.

3.
Unified reasoning, vision, and coding in a single model

Available in the free plan with limits — Unified reasoning, vision, and coding in a single model helps you work more efficiently with Mistral Small 4.

4.
Configurable reasoning effort: reasoning_effort='none' (fast) or 'high' (deep)

Available in the free plan with limits — Configurable reasoning effort: reasoning_effort='none' (fast) or 'high' (deep) helps you work more efficiently with Mistral Small 4.

5.
Native image input support (text + vision in one model)

Available in the free plan with limits — Native image input support (text + vision in one model) helps you work more efficiently with Mistral Small 4.

6.
Apache 2.0 license — permissive commercial use, no additional restrictions

Available in the free plan with limits — Apache 2.0 license — permissive commercial use, no additional restrictions helps you work more efficiently with Mistral Small 4.

7.
40% reduction in end-to-end latency vs Mistral Small 3

Available in the free plan with limits — 40% reduction in end-to-end latency vs Mistral Small 3 helps you work more efficiently with Mistral Small 4.

8.
3× higher throughput vs Mistral Small 3 (throughput-optimized setup)

Available in the free plan with limits — 3× higher throughput vs Mistral Small 3 (throughput-optimized setup) helps you work more efficiently with Mistral Small 4.

9.
Beats GPT-OSS 120B on AA LCR and LiveCodeBench with shorter outputs

Available in the free plan with limits — Beats GPT-OSS 120B on AA LCR and LiveCodeBench with shorter outputs helps you work more efficiently with Mistral Small 4.

10.
Runs on vLLM, llama.cpp, SGLang, and Transformers

Available in the free plan with limits — Runs on vLLM, llama.cpp, SGLang, and Transformers helps you work more efficiently with Mistral Small 4.

Mistral Small 4 Alternatives & Their Pricing

Considering alternatives to Mistral Small 4? Here's how competing tools compare on pricing:

Mistral Medium 3.5

Freemium

Mistral's 128B merged flagship — open weights, coding+reasoning+instructions

Pricing: API: $1.5/M input tokens, $7.5/M output tokens. Available free on Le Chat. Open weights on Hugging Face (modified MIT license). Self-hostable on 4 GPUs.

Claude Opus 4.8

Paid

Anthropic's flagship model — stronger coding, agents, and honesty

Pricing: $5/M input tokens, $25/M output tokens (standard). $10/M input, $50/M output (fast mode). Same pricing as Opus 4.7.

Llama (Meta AI)

Open Source

Meta's open-source LLM for research and commercial use

Pricing: Free to download and use. Available on cloud providers at various inference costs

Mistral

Freemium

European AI lab with powerful open-source language models

Pricing: Free chat on Le Chat. API: Mistral Small $0.1/$0.3, Large $2/$6 per million tokens

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Frequently Asked Questions

Is Mistral Small 4 free to use?

Yes, Mistral Small 4 offers a free tier that you can use without paying. Paid plans starting at See website unlock additional features and higher usage limits.

How much does Mistral Small 4 cost in 2026?

As of 2026, Mistral Small 4 pricing is: Open weights under Apache 2.0 license — free to download, self-host, fine-tune, and use commercially. Available via Mistral API (Mistral Small tier pricing) and Le Chat (free + Pro plans).. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official Mistral Small 4 website for the most current pricing.

What is the cheapest Mistral Small 4 plan?

The cheapest option is the free tier. If you need premium features, the most affordable paid plan is Available via Mistral API (Mistral Small tier pricing) and Le Chat (free + Pro plans). at See website.

What are the best alternatives to Mistral Small 4?

Popular alternatives to Mistral Small 4 include Mistral Medium 3.5, Claude Opus 4.8, Llama (Meta AI). Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.

Is Mistral Small 4 worth the price?

Mistral Small 4 is well-regarded in the llm-apis space, offering features like 119B total parameters, 6B active per token (MoE: 128 experts, 4 active), 256k token context window, Unified reasoning, vision, and coding in a single model. Whether it's worth the investment depends on your specific needs, usage volume, and budget. The free tier lets you try it before committing to a paid plan.

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