Mistral Medium 3.5 API
About
Build advanced reasoning agents with Mistral Medium 3.5, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support, open weights architecture. Access Mistral Medium 3.5 via the Nvidia API with up to 33K output tokens.
Capabilities
Input Modalities
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Output Modalities
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Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
Free
Output
Free
Frequently Asked Questions
Mistral Medium 3.5 by Nvidia costs Free per 1M input tokens and Free per 1M output tokens.
Model Details
ID
mistralai/mistral-medium-3.5-128b
Provider
NvidiaFamily
mistral-medium
Release Date
Apr 29, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
NVIDIA_API_KEY
API Base URL
https://integrate.api.nvidia.com/v1