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Mistral Small 4 logoMistral Small 4

Mistral vs Mistral Small 4: Which is Better in 2026?

A comprehensive comparison of Mistral and Mistral Small 4 covering features, pricing, use cases, and which tool is the right choice for your needs.

⚡ Quick Verdict

Choose Mistral if:

  • You want more affordable paid plans (from $0.1/mo)
  • You need le chat free chatbot or open-source models
  • Your primary focus is chatbots & assistants

Choose Mistral Small 4 if:

  • You need a broader feature set (10 features vs 6)
  • You need 119b total parameters, 6b active per token (moe: 128 experts, 4 active) or 256k token context window
  • Your primary focus is llm-apis

Mistral vs Mistral Small 4: At a Glance

Attribute
Mistral
Mistral Small 4
Pricing Model
Freemium
Freemium
Starting Price
Free plan + paid from $0.1/month
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).
Free Tier
✓ Yes
✓ Yes
Category
Chatbots & Assistants
llm-apis
Features Count
6 features
10 features
Shared Features
0 features in common

Pricing Comparison: Mistral vs Mistral Small 4

Understanding the pricing differences between Mistral and Mistral Small 4 is crucial for making the right choice. Here's how their plans compare side by side.

Mistral Pricing

Free$0forever
API: Mistral Small$0.1/month
Large$2/month
View full Mistral pricing →

Mistral Small 4 Pricing

Available via Mistral API (Mistral Small tier pricing) and Le Chat (free + Pro plans).See website
View full Mistral Small 4 pricing →

💡 Pricing takeaway: Both Mistral and Mistral Small 4 offer free tiers, making it easy to try before you buy. Compare the specific plans to find the best value for your use case.

Feature-by-Feature Comparison

Here's how every feature from Mistral and Mistral Small 4 stacks up.

Feature
Mistral
Mistral Small 4
Le Chat free chatbot
Open-source models
Strong multilingual support
Code generation
Function calling
Fine-tuning support
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)
Apache 2.0 license — permissive commercial use, no additional restrictions
40% reduction in end-to-end latency vs Mistral Small 3
3× higher throughput vs Mistral Small 3 (throughput-optimized setup)
Beats GPT-OSS 120B on AA LCR and LiveCodeBench with shorter outputs
Runs on vLLM, llama.cpp, SGLang, and Transformers

What Makes Each Tool Unique

🔵 Unique to Mistral

Features available in Mistral but not in Mistral Small 4:

  • Le Chat free chatbot
  • Open-source models
  • Strong multilingual support
  • Code generation
  • Function calling
  • Fine-tuning support

🟣 Unique to Mistral Small 4

Features available in Mistral Small 4 but not in Mistral:

  • 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)
  • Apache 2.0 license — permissive commercial use, no additional restrictions
  • 40% reduction in end-to-end latency vs Mistral Small 3
  • 3× higher throughput vs Mistral Small 3 (throughput-optimized setup)
  • Beats GPT-OSS 120B on AA LCR and LiveCodeBench with shorter outputs
  • Runs on vLLM, llama.cpp, SGLang, and Transformers

Use Case Recommendations

Best for: Mistral

European AI company offering powerful open-source and commercial language models. Mistral's models provide strong multilingual capabilities, coding, and reasoning with competitive performance at efficient price points.

Ideal use cases:

  • Teams or individuals who need le chat free chatbot
  • Teams or individuals who need open-source models
  • Teams or individuals who need strong multilingual support
  • Teams or individuals who need code generation
  • Anyone focused on chatbot workflows
  • Anyone focused on open-source workflows
Try Mistral

Best for: Mistral Small 4

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.

Ideal use cases:

  • Teams or individuals who need 119b total parameters, 6b active per token (moe: 128 experts, 4 active)
  • Teams or individuals who need 256k token context window
  • Teams or individuals who need unified reasoning, vision, and coding in a single model
  • Teams or individuals who need configurable reasoning effort: reasoning_effort='none' (fast) or 'high' (deep)
  • Anyone focused on mistral workflows
  • Anyone focused on llm workflows
Try Mistral Small 4

💬 Other Chatbots & Assistants Tools to Consider

Mistral and Mistral Small 4 aren't the only options. Here are other popular tools in the same space:

Frequently Asked Questions

Is Mistral better than Mistral Small 4?

It depends on your needs. Mistral offers 6 key features including Le Chat free chatbot and Open-source models, while Mistral Small 4 provides 10 features including 119B total parameters, 6B active per token (MoE: 128 experts, 4 active) and 256k token context window. Mistral uses a freemium model with a free tier, while Mistral Small 4 is freemium with free access available. Choose based on which features and pricing model align with your requirements.

Is Mistral cheaper than Mistral Small 4?

Mistral Small 4 doesn't have standard paid plans, while Mistral starts at $0.1/month. Both tools offer free tiers, so you can try each before committing. Always check the official websites for the most current pricing.

Can I use Mistral and Mistral Small 4 together?

Yes, many users combine Mistral and Mistral Small 4 in their workflow. Mistral excels at le chat free chatbot, while Mistral Small 4 shines with 119b total parameters, 6b active per token (moe: 128 experts, 4 active). Using both allows you to leverage the strengths of each tool, though this means managing two subscriptions — though free tiers can help manage costs.

What's the main difference between Mistral and Mistral Small 4?

Mistral is primarily a chatbots & assistants tool focused on european ai lab with powerful open-source language models, while Mistral Small 4 focuses on llm-apis with mistral's unified open-source model — reasoning + vision + coding, apache 2.0. They serve different primary use cases despite being alternatives.

Learn More

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