DeepSeek V4 Pro vs Mistral Large 3: cost efficiency vs open weights sovereignty
Serverless pricing versus flagship open weights.
Mistral Large 3 represents Europe's flagship open weights champion. DeepSeek V4 Pro offers highly optimized serverless API pricing. Both target enterprise tasks but feature different pricing models.
Cost Comparison
Based on 100,000 input tokens (50% cached), 5,000 output tokens, and 100 requests.
Side-by-side specs
| Spec | DeepSeek V4 Pro | Mistral Large 3 |
|---|---|---|
| Input Cost (per M) | $0.435 (better on this spec) | $0.50 |
| Output Cost (per M) | $0.87 (better on this spec) | $2.00 |
| Cached Input (per M) | $0.0036 (better on this spec) | $0.05 |
| Batch Discount | 0% | 50% (better on this spec) |
How they differ
DeepSeek V4 Pro costs $0.435 per million input tokens and $0.87 per million output tokens. Mistral Large 3 runs at $0.50 per million input tokens and $2.00 per million output tokens. Mistral offers a 50% batch discount and 90% caching discount, whereas DeepSeek offers a 99.17% caching discount.
Verdict
DeepSeek V4 Pro remains cheaper for almost all volume profiles, particularly on outputs. Mistral Large 3 is excellent if you prefer a European-hosted model with robust multi-lingual capabilities.
Which should you pick?
Choose DeepSeek V4 Pro
Extremely cost-sensitive enterprise pipelines and high-volume outputs.
Choose Mistral Large 3
European residency requirements, sovereign cloud setups, and multi-lingual reasoning.