MistralReleased on Apr 29, 2026

Mistral Medium 3.5: Benchmarks, Pricing & Size

Mistral Medium 3.5 is a language model from Mistral, released in April 2026, with multimodal input.

Mistral Medium 3.5 is Mistral AI's first flagship merged model: a dense 128B-parameter multimodal model with a 256k context window that unifies instruction-following, reasoning, and coding capabilities in a single set of weights. It

Input
TextImage
Output
Text

Mistral Medium 3.5 pricing

Providers

Mistral Medium 3.5 starts at $1.50 per million input tokens and $7.50 per million output tokens via Mistral AI.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
Mistral AI logoMistral AI
$1.50$7.50256.0K256.0K
0.87
98 c/s

Mistral Medium 3.5 model size

Mistral Medium 3.5 has 128 billion parameters. See how it compares to other models in the same parameter range.

Parameters
128B
Very large (80–200B)
128B
1B7B70B405B

Mistral Medium 3.5 API

API access coming soon

Mistral Medium 3.5 will be available through our gateway shortly.

Mistral Medium 3.5 examples

Recent arena outputs from Mistral Medium 3.5, picked from the highest-ranked matchups.

Mistral Medium 3.5 license

Mistral Medium 3.5 is released under the Modified MIT License license, which restricts commercial use, has 128.0B parameters.

License
Modified MIT License
Non-commercial
Parameters
128.0B

FAQ

Common questions about Mistral Medium 3.5.

When was Mistral Medium 3.5 released?

Mistral Medium 3.5 was released on April 29, 2026 by Mistral. This is the official Mistral Medium 3.5 release date tracked on LLM Stats.

Is Mistral Medium 3.5 available via API?

Yes, Mistral Medium 3.5 is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

How big is Mistral Medium 3.5?

Mistral Medium 3.5 has 128 billion parameters. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Mistral Medium 3.5?

Mistral Medium 3.5 was created by Mistral.

What is the license for Mistral Medium 3.5?

Mistral Medium 3.5 is released under the Modified MIT License license. This is an open-source / open-weight license that permits self-hosting.

Is Mistral Medium 3.5 multimodal?

Yes, Mistral Medium 3.5 is multimodal and can accept both text and images as input.

Where can I use Mistral Medium 3.5?

Mistral Medium 3.5 is available through 1 provider including Mistral AI.

Where is the Mistral Medium 3.5 paper or technical report?

Mistral Medium 3.5 has a paper or technical report available at https://mistral.ai/news/vibe-remote-agents-mistral-medium-3-5. Use that source for architecture, training, release and evaluation details.