DeepSeek
DeepSeek V4 Pro
$0.00
per month
Input cost
Output cost
Cost per request
Requests/month
Mistral
Mistral Large 3
$0.00
per month
Input cost
Output cost
Cost per request
Requests/month

Other Models to Consider

DeepSeek V4 Flash
DeepSeek
$0.14 / $0.28 per 1M
1M context
Gemini 3 Flash
Google
$0.50 / $3.00 per 1M
1M context
Mistral Small 4
Mistral
$0.15 / $0.60 per 1M
128K context

Which Model for Which Use Case?

Long Context Tasks

DeepSeek V4 Pro's 1M context window is 3.8x larger than Mistral Large 3's 262K. For processing long documents, codebases, or maintaining extended conversation history, DeepSeek is the clear winner.

Better context: DeepSeek V4 Pro

European Data Compliance

Mistral is a European company with EU data processing. For GDPR compliance and European data sovereignty requirements, Mistral Large 3 may be the better choice regardless of price.

Better compliance: Mistral Large 3

Multilingual Tasks

Mistral Large 3 excels at multilingual tasks, particularly European languages. If your application serves multilingual users, Mistral's language capabilities may justify the slightly higher cost.

Better multilingual: Mistral Large 3

High-Volume Production

Both are budget-friendly, but DeepSeek V4 Pro edges ahead at scale. At 10,000 requests/day, you save ~$115/month with DeepSeek — and get a 3.8x larger context window.

Better at scale: DeepSeek V4 Pro

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Frequently Asked Questions

Is DeepSeek V4 Pro cheaper than Mistral Large 3?

Yes, slightly. DeepSeek V4 Pro costs $0.435/M input (13% cheaper) and $0.87/M output (42% cheaper). The output cost difference is more significant than the input cost difference.

Which has a better context window?

DeepSeek V4 Pro has a 1M token context window — 3.8x larger than Mistral Large 3's 262K. For long documents, large codebases, or extended conversations, DeepSeek has a clear advantage.

When would I choose Mistral Large 3?

Choose Mistral Large 3 for European data sovereignty requirements, Mistral ecosystem integration, or if you specifically need Mistral's strengths in multilingual tasks and function calling.

How much can I save with DeepSeek V4 Pro?

For 1,000 input tokens and 500 output tokens at 1,000 requests/day, DeepSeek V4 Pro costs roughly $26/month vs Mistral Large 3's $37.50/month — saving you about $11.50/month or 31%.

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