AI Flash Report
Major Release Mistral · Released

Mistral Small 4

What is Mistral Small 4?

Mistral Small 4 is a Major Release AI model from Mistral, released on March 16, 2026. It has a 256K tokens context window, costs $0.15 per million input tokens, and scores 76.9% on GPQA Diamond. It is available as open source.

Mistral Mistral Small 4 — AA Intelligence Index 27.8, 256K tokens context, reasoning model.

How much does Mistral Small 4 cost?

Mistral Small 4 pricing
Metric Price
input per mtok $0.15
output per mtok $0.60

Pricing data verified .

What context window does Mistral Small 4 have?

Context window
256K tokens
Max output
128K
Input modalities
text, image
Output modalities
text

How does Mistral Small 4 score on benchmarks?

Mistral Small 4 benchmark scores
Benchmark Score
GPQA Diamond 76.9%
HLE 9.5%
SciCode 38.0%
TAU2-bench 41.2%
TerminalBench-Hard 17.4%
IF-Bench 48.2%
LiveCodeBench Reasoning 44.7%
AA Intelligence Index 27.8

Benchmark scores verified .

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