Mid-Tier Comparison

Mistral Medium 3.5 vs Gemini 3.5 Flash

The two most popular mid-tier AI models. Compare pricing, context windows, and find the best value for your production workloads.

Pricing data verified: Jun 10, 2026

Specification Mistral Medium 3.5 (Mistral) Gemini 3.5 Flash (Google)
Input Price (per 1M tokens) $1.50 $1.50
Output Price (per 1M tokens) $7.50 $9.00
Context Window 128K tokens 1M tokens
Tier Mid Mid
Provider Mistral Google
Input Savings vs Other 17% cheaper output 7.8x more context

Calculate Your Exact Costs

Mid-tier sweet spot — capable enough for production, affordable enough for scale.

Mistral
Mistral Medium 3.5
$0.00
per month
Input cost
Output cost
Cost per request
Requests/month
Google
Gemini 3.5 Flash
$0.00
per month
Input cost
Output cost
Cost per request
Requests/month

Other Mid-Tier Models

GPT-5
OpenAI
$1.25 / $10 per 1M
272K context
Gemini 3.1 Pro
Google
$2 / $12 per 1M
1M context
Claude Sonnet 4.6
Anthropic
$3 / $15 per 1M
1M context

Which Mid-Tier Model for Which Use Case?

SaaS Chatbot

Customer-facing chatbot for your product. High volume, cost-sensitive. Mistral's 17% cheaper output pricing makes a difference at scale.

Better value: Mistral Medium 3.5

Long Document Analysis

Processing documents over 128K tokens — legal contracts, research papers, codebases. Only Gemini 3.5 Flash's 1M context handles this.

Only option: Gemini 3.5 Flash

Code Assistant

AI-powered coding help, code review, refactoring. Both models are strong. Mistral offers better cost per request for high-volume use.

Better value: Mistral Medium 3.5 | Long codebases: Gemini 3.5 Flash

Content Generation

Blog posts, marketing copy, product descriptions. Both handle this well. Mistral at $1.50/$7.50 vs Gemini at $1.50/$9 — Mistral is 17% cheaper on output.

Better value: Mistral Medium 3.5

Building on a budget?

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Frequently Asked Questions

Is Mistral Medium 3.5 cheaper than Gemini 3.5 Flash?

Yes, Mistral Medium 3.5 is slightly cheaper. Mistral Medium 3.5 costs $1.50/M input and $7.50/M output, while Gemini 3.5 Flash costs $1.50/M input and $9/M output. Mistral Medium 3.5 is 17% cheaper on output tokens.

Which has a larger context window?

Gemini 3.5 Flash has a much larger context window at 1M tokens compared to Mistral Medium 3.5's 128K tokens. If your use case involves processing very long documents or extended conversations, Gemini 3.5 Flash gives you 7.8x more context.

When should I choose Mistral Medium 3.5 over Gemini 3.5 Flash?

Choose Mistral Medium 3.5 when you need: (1) Cost savings on output-heavy workloads (17% cheaper), (2) European data sovereignty and GDPR compliance, (3) Tasks where Mistral's training gives better results. For most long-context workloads, Gemini 3.5 Flash offers better value due to larger context.

Can I mix Mistral Medium 3.5 and Gemini 3.5 Flash to optimize costs?

Yes. Use Mistral Medium 3.5 for most requests (17% cheaper output) and route long-context tasks (>128K tokens) to Gemini 3.5 Flash. This multi-model strategy can save 20-30% vs using Gemini 3.5 Flash for everything.

Related Comparisons

Mistral Medium 3.5 vs Claude Sonnet 4.6
European data sovereignty
Gemini 3.5 Flash vs GPT-5
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Mistral Medium 3.5 vs Gemini 3.1 Pro
Mid-tier European vs US
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