What is the context window of Mistral: Mistral Medium 3.5?

Mistral: Mistral Medium 3.5 supports a context window of 262K tokens.

Is Mistral: Mistral Medium 3.5 free to use?

Mistral: Mistral Medium 3.5 is a paid model. It costs $1.50 per million input tokens and $7.50 per million output tokens.

How is LLM API pricing calculated?

LLM pricing has two components: input tokens (everything you send) and output tokens (what the model generates). Total cost = (prompt tokens × input rate + output tokens × output rate) / 1,000,000 × number of requests.

Mistral: Mistral Medium 3.5 API Pricing — $1.50 Input / $7.50 Output per 1M Tokens

Q: How much does Mistral: Mistral Medium 3.5 cost?

Mistral: Mistral Medium 3.5 costs $1.50 per million input tokens and $7.50 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

Mistral: Mistral Medium 3.5 by Mistral AI — $1.50 input / $7.50 output per 1M tokens via OpenRouter. Context: 262K tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$1.50

Output / 1M tokens

$7.50

Provider

Mistral AI

Context window

262K tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$1.01	$30.38
Small app (1K/day)	$5.25	$157.50
Mid-scale (10K/day)	$67.50	$2025.00
Large scale (100K/day)	$1500.00	$45000.00

Model ID: mistralai/mistral-medium-3-5
Data source: OpenRouter public API — updated Oct 29, 2026.

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About Mistral: Mistral Medium 3.5

Mistral: Mistral Medium 3.5 is an LLM developed by Mistral AI. Input costs $1.50 per million tokens and output costs $7.50 per million tokens via OpenRouter. It supports a context window of 262K tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $1.50 per 1 million tokens
Output tokens: $7.50 per 1 million tokens

A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.

How Much Does Mistral: Mistral Medium 3.5 Cost?

For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):

Daily cost: $5.2500
Monthly cost: $157.500

Accessing Mistral: Mistral Medium 3.5 via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including Mistral: Mistral Medium 3.5. You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is mistralai/mistral-medium-3-5.

Compare Mistral: Mistral Medium 3.5 with Other Models

Use the AI Model Cost Comparison tool to compare Mistral: Mistral Medium 3.5 against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.

Frequently Asked Questions

Yes. Mistral: Mistral Medium 3.5 is available on OpenRouter with the model ID mistralai/mistral-medium-3-5. OpenRouter provides a unified API compatible with OpenAI's SDK format.