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Mistral Medium vs Mistral Small 4: API Cost Comparison

Compare the API pricing, context windows, features, and real-world cost projections for Mistral Medium (Mistral AI) and Mistral Small 4 (Mistral AI). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.

Prices verified Apr 30, 2026

Interactive Cost Calculator

Mistral AIMistral MediumMistral AIMistral Small 4

Fills in typical token counts for a workload type

Tokens in each prompt sent to the model

Tokens generated in each response

Total API calls per month

Showing costs for 2 models. Cheapest: Mistral Small 4 at $4.50/month.

Cheapest: Mistral Small 4 at $4.50/mo — save 91.4% vs Mistral Medium
Alert
BestMistral Small 4
Mistral AI$4.50$0.000450$1.50$3.0091.4%Alerts coming soon
Mistral Medium
Mistral AI$52.50$0.005250$15.00$37.50Alerts coming soon

Monthly Cost Comparison

Price Comparison at a Glance

All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.

Pricing TypeMistral MediumMistral Small 4Cheaper
Input (standard)$1.50/M$0.15/MMistral Small 4
Output$7.50/M$0.60/MMistral Small 4

Prices last verified: 2026-04-30

Cost Breakdown by Usage Volume

Estimated monthly costs at different request volumes, assuming 1,000 input tokens and 500 output tokens per request. Adjust in the calculator above for your specific use case.

VolumeMistral MediumMonthlyMistral Small 4MonthlyMistral MediumPer requestMistral Small 4Per request
1K requests/mo$5.25$0.45$0.005250$0.000450
10K requests/mo$52.50$4.50$0.005250$0.000450
100K requests/mo$525.00$45.00$0.005250$0.000450
1M requests/mo$5,250.00$450.00$0.005250$0.000450

Green values indicate the lower-cost option at each volume tier. Cost per request is calculated at 1,000 input + 500 output tokens using standard (non-batch, non-cached) pricing.

Price History

Input price per 1M tokens

When to Choose Mistral Medium

by Mistral AI

  • General chatbot
  • Customer support
  • Content & copywriting

Input / 1M tokens

$1.50/M

Output / 1M tokens

$7.50/M

Context window

131,072

Tier

premium

When to Choose Mistral Small 4

by Mistral AI

  • General chatbot

Input / 1M tokens

$0.15/M

Output / 1M tokens

$0.60/M

Context window

262,144

Tier

budget

Key Differences Beyond Price

Cost is only one factor in choosing an AI model. Context window size, rate limits, supported features, and latency all affect whether a model fits your use case.

CapabilityMistral MediumMistral Small 4
Context window131,072 tokens262,144 tokens
Max output tokens4,096 tokens4,096 tokens
Performance tierPremiumBudget
Vision / image inputNoNo
Function callingYesNo
JSON modeYesNo
Prompt cachingNoNo
Batch API (50% discount)NoNo
Extended reasoningNoNo
Fine-tuningNoNo

Mistral Medium notes

Good balance of quality and cost for European GDPR-compliant workloads.

Frequently Asked Questions

Is Mistral Medium cheaper than Mistral Small 4?

At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), Mistral Small 4 costs $45.00/month versus $525.00/month for Mistral Medium — a 91% saving. Your actual savings will vary based on your token profile; output-heavy workloads amplify differences in output pricing.

Which model has a larger context window, Mistral Medium or Mistral Small 4?

Mistral Small 4 has a larger context window at 262,144 tokens, compared to 131,072 tokens for Mistral Medium. A larger context window is important for processing long documents, multi-turn conversations, or large codebases without truncation.

Do Mistral Medium and Mistral Small 4 support the Batch API?

Neither Mistral Medium nor Mistral Small 4 currently supports a batch API with discounted pricing. For batch-eligible alternatives, consider models from OpenAI, Anthropic, or Google that include batch API support.

Which model offers better prompt caching?

Neither Mistral Medium nor Mistral Small 4 currently supports prompt caching. For prompt-caching capable alternatives, consider Claude models from Anthropic or GPT-4o from OpenAI.

What are the best use cases for Mistral Medium vs Mistral Small 4?

Both models are well-suited for General chatbot. Mistral Medium is particularly strong for Customer support, Content & copywriting. Mistral Small 4 is favored for similar workflows. At the same quality level, the lower-cost model is usually preferable; use this page's calculator to compare total monthly spend at your volume.

What is the cost per request for Mistral Medium vs Mistral Small 4?

At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — Mistral Medium costs $0.005250 per request and Mistral Small 4 costs $0.000450 per request. At 100,000 requests/month, that translates to $525.00 and $45.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.

Mistral Medium vs Mistral Small 4: Summary

When comparing Mistral Medium and Mistral Small 4 for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. Mistral Small 4 offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $45.00/month, compared to $525.00/month for Mistral Medium.

Both models are priced in USD per million tokens, the standard unit across all major AI API providers. Mistral Medium charges $1.50/M for input tokens and $7.50/M for output tokens. Mistral Small 4 charges $0.15/M input and $0.60/M output. If your workload is output-heavy (more tokens generated than consumed as input), the model with the lower output price compounds cost savings significantly at scale.

Context window capacity differs between the two: Mistral Small 4 supports up to 262,144 tokens in a single request, versus 131,072 tokens for Mistral Medium. A larger context window is essential for document summarization, large codebase analysis, and multi-document retrieval-augmented generation (RAG) applications.

Use the interactive calculator at the top of this page to enter your actual token usage and monthly request volume for a precise cost comparison tailored to your workload. Adjust for batch API discounts and prompt caching to find the most cost-effective option for your specific deployment.

Explore other model comparisons from the same providers or performance tiers.

Related Provider Pages

View complete pricing tables and model lineups for the providers behind these models.

Relevant Use Cases

See cost recommendations for workloads where Mistral Medium or Mistral Small 4 is recommended.