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Mistral Medium 3.5 Pricing 2026

Complete pricing guide for Mistral Medium 3.5 — plans, costs, and free options.

FreemiumStarting at $1.5/monthUpdated June 12, 2026

💰 Mistral Medium 3.5 Pricing Overview

Mistral Medium 3.5 uses a freemium pricing model. Free tier available with optional paid upgrades. Current 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.. Mistral Medium 3.5 is a popular llm-apis tool known for mistral's 128b merged flagship — open weights, coding+reasoning+instructions. You can get started with Mistral Medium 3.5 for free and upgrade to a paid plan as your needs grow.

🔍 Compare Before You Buy

See all 4 alternatives →

Comparing Mistral Medium 3.5 to similar tools helps you make the best choice for your budget and needs:

Claude Opus 4.8

Paid

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

Starting at $5/month

Compare with Mistral Medium 3.5

DeepSeek

Freemium

Open-source AI chatbot with strong reasoning and coding

Free plan + paid from $0.14/month

Compare with Mistral Medium 3.5

Llama (Meta AI)

Open Source

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

Free to use

Compare with Mistral Medium 3.5
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Mistral Medium 3.5 Plans & Pricing

Most Popular

API:

$1.5/month

/M input tokens

Starter

$7.5/month

/M output tokens

* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official Mistral Medium 3.5 website for the latest pricing.

Is Mistral Medium 3.5 Free?

Yes, Mistral Medium 3.5 offers a free plan

Mistral Medium 3.5 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.

Mistral Medium 3.5 Feature Comparison

Here's how Mistral Medium 3.5's key features are typically distributed across pricing tiers. Feature availability is estimated based on common SaaS patterns — check the official site for exact tier details.

FeatureAPI:Starter
128B dense model (merged: instruction-following + reasoning + coding)
256k token context window
77.6% on SWE-Bench Verified (beats Devstral 2 and Qwen3.5 397B A17B)
91.4 on τ³-Telecom (strong agentic capabilities)
Configurable reasoning effort per request
Vision encoder trained from scratch — handles variable image sizes and aspect ratios
Open weights under modified MIT license (self-hostable on 4 GPUs)
Powers Mistral Vibe remote coding agents and Le Chat Work mode
Async cloud coding sessions with GitHub, Linear, Jira, Sentry integrations

✓ = Full access · ◐ = Limited · — = Not available. Feature availability is estimated and may vary.

Is Mistral Medium 3.5 Worth It?

Mistral Medium 3.5 is a freemium llm-apis tool that offers 9 key features including 128B dense model (merged: instruction-following + reasoning + coding), 256k token context window, 77.6% on SWE-Bench Verified (beats Devstral 2 and Qwen3.5 397B A17B). Mistral's first flagship merged model, released May 22, 2026. A dense 128B model with a 256k context window that handles instruction-following, reasoning, and coding in a single set of weights. Available as open weights (modified MIT license) and powers Mistral Vibe remote coding agents and Le Chat's new Work mode. SWE-Bench Verified: 77.6%. API: $1.5/M input, $7.5/M output.

Mistral Medium 3.5 is a good choice if you need:

  • 128B dense model (merged: instruction-following + reasoning + coding)
  • 256k token context window
  • 77.6% on SWE-Bench Verified (beats Devstral 2 and Qwen3.5 397B A17B)
  • 91.4 on τ³-Telecom (strong agentic capabilities)
  • Configurable reasoning effort per request

💡 Value Assessment

With a free tier available, Mistral Medium 3.5 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 Medium 3.5 Key Features

Mistral Medium 3.5 comes packed with features that make it a strong contender in the llm-apis space. Here's what you get:

1.
128B dense model (merged: instruction-following + reasoning + coding)

Available in the free plan with limits — 128B dense model (merged: instruction-following + reasoning + coding) helps you work more efficiently with Mistral Medium 3.5.

2.
256k token context window

Available in the free plan with limits — 256k token context window helps you work more efficiently with Mistral Medium 3.5.

3.
77.6% on SWE-Bench Verified (beats Devstral 2 and Qwen3.5 397B A17B)

Available in the free plan with limits — 77.6% on SWE-Bench Verified (beats Devstral 2 and Qwen3.5 397B A17B) helps you work more efficiently with Mistral Medium 3.5.

4.
91.4 on τ³-Telecom (strong agentic capabilities)

Available in the free plan with limits — 91.4 on τ³-Telecom (strong agentic capabilities) helps you work more efficiently with Mistral Medium 3.5.

5.
Configurable reasoning effort per request

Available in the free plan with limits — Configurable reasoning effort per request helps you work more efficiently with Mistral Medium 3.5.

6.
Vision encoder trained from scratch — handles variable image sizes and aspect ratios

Powered by advanced AI models, Mistral Medium 3.5 delivers intelligent code generation capabilities.

7.
Open weights under modified MIT license (self-hostable on 4 GPUs)

Available in the free plan with limits — Open weights under modified MIT license (self-hostable on 4 GPUs) helps you work more efficiently with Mistral Medium 3.5.

8.
Powers Mistral Vibe remote coding agents and Le Chat Work mode

Available in the free plan with limits — Powers Mistral Vibe remote coding agents and Le Chat Work mode helps you work more efficiently with Mistral Medium 3.5.

9.
Async cloud coding sessions with GitHub, Linear, Jira, Sentry integrations

Connect with your existing tools and services for a unified workflow.

Mistral Medium 3.5 Alternatives & Their Pricing

Considering alternatives to Mistral Medium 3.5? Here's how competing tools compare on pricing:

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.

DeepSeek

Freemium

Open-source AI chatbot with strong reasoning and coding

Pricing: Free web chat. API: $0.14/million input tokens, $0.28/million output tokens (DeepSeek-V3)

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

Ready to try Mistral Medium 3.5?

Visit the official website for the latest pricing and to get started.

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Frequently Asked Questions

Is Mistral Medium 3.5 free to use?

Yes, Mistral Medium 3.5 offers a free tier that you can use without paying. Paid plans starting at $1.5/month unlock additional features and higher usage limits.

How much does Mistral Medium 3.5 cost in 2026?

As of 2026, Mistral Medium 3.5 pricing is: 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.. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official Mistral Medium 3.5 website for the most current pricing.

What is the cheapest Mistral Medium 3.5 plan?

The cheapest option is the free tier. If you need premium features, the most affordable paid plan is API: at $1.5/month.

What are the best alternatives to Mistral Medium 3.5?

Popular alternatives to Mistral Medium 3.5 include Claude Opus 4.8, DeepSeek, 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 Medium 3.5 worth the price?

Mistral Medium 3.5 is well-regarded in the llm-apis space, offering features like 128B dense model (merged: instruction-following + reasoning + coding), 256k token context window, 77.6% on SWE-Bench Verified (beats Devstral 2 and Qwen3.5 397B A17B). 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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