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Mistral Small 4

Multimodal
Mistral AI

Mistral Small 4 is Mistral's efficient 119B open-weight model released in March 2026 under the Apache 2.0 license. It offers strong reasoning, instruction following, and long-context performance at $0.15 per million input tokens, with a 256K token context window.

Key Specifications

Parameters
119.0B
Context
256.0K
Release Date
March 16, 2026
Average Score
76.0%

Timeline

Key dates in the model's history
Announcement
March 16, 2026
Last Update
August 27, 2026

Technical Specifications

Parameters
119.0B
Training Tokens
-
Knowledge Cutoff
-
Family
-
Capabilities
MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)
$0.15
Output (per 1M tokens)
$0.60
Max Input Tokens
256.0K
Max Output Tokens
256.0K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Reasoning

Logical reasoning and analysis
GPQA
GPQA Diamond. reasoning_effort="high".Self-reported
71.0%

Other Tests

Specialized benchmarks
AIME 2025
AIME 2025. reasoning_effort="high".Self-reported
84.0%
MMLU-Pro
MMLU-Pro. reasoning_effort="high".Self-reported
78.0%
AA-LCR
AA-LCR. reasoning_effort="high".Self-reported
71.0%

License & Metadata

License
apache_2_0
Announcement Date
March 16, 2026
Last Updated
August 27, 2026

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