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 | |
| 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.
Other Mid-Tier Models
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.
Long Document Analysis
Processing documents over 128K tokens — legal contracts, research papers, codebases. Only Gemini 3.5 Flash's 1M context handles this.
Code Assistant
AI-powered coding help, code review, refactoring. Both models are strong. Mistral offers better cost per request for high-volume use.
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.
Building on a budget?
APIpulse Pro lets you compare all 39 models, save scenarios, and find the cheapest option for your exact usage pattern.
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.