Mistral: Mistral Small 4

Image input Text input Text output
Author's Description

Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...

Key Specifications
Cost
$$
Context
262K
Released
Mar 16, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Tools Response Format Stop Frequency Penalty Tool Choice Include Reasoning Temperature Max Tokens Reasoning Structured Outputs Presence Penalty Top P Seed
Features

This model supports the following features:

Structured Outputs Tools Reasoning Response Format
Performance Summary

Mistral Small 4 demonstrates strong overall performance, consistently ranking among the fastest models (92nd percentile) and offering competitive pricing (72nd percentile). Its reliability is exceptional, achieving a 100% success rate across all benchmarks, indicating robust technical stability. The model excels in specialized areas, particularly in Coding (93% accuracy, 83rd percentile), where it is noted as the most accurate among models of comparable speed. It also shows strong performance in Ethics (99% accuracy) and Mathematics (92% accuracy). However, a notable weakness is its performance in Hallucinations (66% accuracy, 15th percentile), suggesting a tendency to provide definitive answers to fictional concepts rather than acknowledging uncertainty. Instruction Following (52% accuracy) also presents an area for improvement. Despite these, its unified architecture, combining reasoning, multimodal, and agentic coding capabilities, positions it as a versatile tool for complex analysis, software development, and visual tasks.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.15
Completion $0.6
Input Cache Read $0.015

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Mistral
Mistral | mistralai/mistral-small-2603 262K $0.15 / 1M tokens $0.6 / 1M tokens
Venice
Venice | mistralai/mistral-small-2603 256K $0.188 / 1M tokens $0.75 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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