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Gemini 3.5 Flash vs Mistral Small 3

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Gemini 3.5 Flash and Mistral Small 3.

Google

Gemini 3.5 Flash

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...

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Mistral

Mistral Small 3

Mistral Small 3 is a 24B-parameter language model optimized for low-latency performance across common AI tasks. Released under the Apache 2.0 license, it features both pre-trained and instruction-tuned versions designed...

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Technical Specifications

SpecificationGemini 3.5 FlashMistral Small 3
ProviderGoogleMistral
Context Window1,048,576 tokens32,768 tokens
Agent Suitability88/10084/100
Time to First Token (TTFT)200 ms120 ms
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-05-192025-01-30

API Pricing Comparison

Input Price per Million Tokens

Gemini 3.5 Flash

$1.50

Mistral Small 3

$0.07

Output Price per Million Tokens

Gemini 3.5 Flash

$9.00

Mistral Small 3

$0.20

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
9050.0%vs8120.0%
Gemini 3.5 Flash
Mistral Small 3
HumanEvalPython coding & logic synthesis
9210.0%vs8300.0%
Gemini 3.5 Flash
Mistral Small 3
MATHComplex mathematical problem solving
8500.0%vs6800.0%
Gemini 3.5 Flash
Mistral Small 3
GPQAGraduate-level expert reasoning
6820.0%vs4500.0%
Gemini 3.5 Flash
Mistral Small 3
HellaSwagCommonsense reasoning and inference
9780.0%vs8500.0%
Gemini 3.5 Flash
Mistral Small 3
MT-BenchMulti-turn conversation flow quality
920.0%vs830.0%
Gemini 3.5 Flash
Mistral Small 3

Gemini 3.5 Flash Quirks & Gotchas

  • โ–ธExcellent multimodal performance โ€” native video understanding
  • โ–ธTool calling via Google's native function_declarations in Vertex AI

Mistral Small 3 Quirks & Gotchas

  • โ–ธFastest TTFT at lowest cost โ€” ideal for high-volume classification
  • โ–ธNot designed for complex reasoning โ€” route multi-step tasks to Mistral Large 3