Mistral: Mistral Medium 3.5

Mistral: Mistral Medium 3.5

Mistral AILLM

Mistral: Mistral Medium 3.5 by Mistral AI

MultimodalOpen SourceAPI AvailableVisionTool Calling

Specifications

Context Window

262K tokens

Input Price/1M

$1.50

Output Price/1M

$7.50

Parameters

Speed

161 tok/s

Latency (TTFT)

501ms

Benchmarks

Mistral: Mistral Medium 3.5 results on the main AI model evaluation benchmarks. Higher scores indicate better performance.

Agentic

BenchmarkScoreMaximumMethodology
Terminal-Bench Hard33.0100.0

Coding

BenchmarkScoreMaximumMethodology
SciCode40.0100.0
AA Coding Index35.4100.0Artificial Analysis official API

Long Context

BenchmarkScoreMaximumMethodology
AA-LCR61.0100.0

overall

BenchmarkScoreMaximumMethodology
AA Intelligence Index39.2100.0Artificial Analysis official API

Reasoning

BenchmarkScoreMaximumMethodology
GPQA Diamond75.0100.0Artificial Analysis official API
IFBench69.0100.0
HLE13.0100.0

Tool Use

BenchmarkScoreMaximumMethodology
Tau²-Bench94.0100.0

Information

Release date
April 29, 2026
Tool Calling
✅ Supported
Vision
✅ Supported
Audio
❌ Not supported

Full Analysis: Mistral: Mistral Medium 3.5

What is Mistral: Mistral Medium 3.5?

Mistral: Mistral Medium 3.5 is an AI model developed by Mistral AI, classified as a large language model (LLM). It is a multimodal model, capable of processing text, images, and potentially other media types. As an open source model, it is available for download, customization, and on-premises deployment. With a context window of 262K tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.

Pricing & Costs in 2026

Mistral: Mistral Medium 3.5 is usage-based, priced at $1.5/1M input tokens and $7.5/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The mid-range pricing balances quality and cost for most professional applications.

Benchmarks & Performance

Mistral: Mistral Medium 3.5 was evaluated on 9 different benchmarks, covering categories like Agentic, Coding, Long Context, overall, Reasoning, Tool Use. Results show exceptional performance across available evaluations.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

Mistral: Mistral Medium 3.5 is suitable for a wide range of AI applications: long document analysis (contracts, legal proceedings, codebases), automation with tool calling (API integration, databases, external systems), image and visual document analysis (OCR, diagrams, screenshots), multimodal processing combining text and images, text generation, summarization, translation, and general assistance.

Comparison with Alternatives

In the 2026 AI model ecosystem, Mistral: Mistral Medium 3.5 competes directly with similarly capable models. Mistral AI competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.

Frequently Asked Questions

What is Mistral: Mistral Medium 3.5?

Mistral: Mistral Medium 3.5 is an AI model developed by Mistral AI. It is a language model (LLM), with multimodal support (text, image and more), open source.

How much does Mistral: Mistral Medium 3.5 cost?

Mistral: Mistral Medium 3.5 costs $1.5/1M input tokens and $7.5/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.

How does Mistral: Mistral Medium 3.5 compare with other models?

In available benchmarks, Mistral: Mistral Medium 3.5 scored: Terminal-Bench Hard: 33/100, SciCode: 40/100, AA Coding Index: 35.4/100. See the full table above for a detailed comparison.

Is Mistral: Mistral Medium 3.5 open source?

Yes, Mistral: Mistral Medium 3.5 is an open source model. You can deploy it on-premises, customize it via fine-tuning, and maintain full control over your data. Check the official repository for the specific license.

What is Mistral: Mistral Medium 3.5 best for?

Mistral: Mistral Medium 3.5 excels at multimodal tasks including text and vision. With its large context window, it handles long documents, codebases, and extended conversations. It supports tool calling for API integrations and automation.

Last updated: June 01, 2026 View methodology →