Model comparison
DeepSeek V4 Flash vs Mistral Medium 3.5
Compare DeepSeek V4 Flash vs Mistral Medium 3.5 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
DeepSeek V4 Flash
deepseek · deepseek-v4-flash
- Input
- $0.14
- Output
- $0.28
- Context
- 1M
Mistral Medium 3.5
mistral · mistral/mistral-medium-3-5
- Input
- $1.5
- Output
- $7.5
- Context
- 262.1K
Quick take
DeepSeek V4 Flash has the lower input price at $0.14 per 1M input tokens. DeepSeek V4 Flash is cheaper for the example blended workload below. DeepSeek V4 Flash has the larger context window at 1M tokens.
Choose DeepSeek V4 Flash if...
- DeepSeek V4 Flash is the better default for cost-sensitive traffic and repeated high-volume calls.
- DeepSeek V4 Flash is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
- DeepSeek V4 Flash gives more room for long generated answers, reports, or code output.
Choose Mistral Medium 3.5 if...
- Mistral Medium 3.5 is required if images, screenshots, or visual documents are part of the workflow.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | DeepSeek V4 Flash | Mistral Medium 3.5 | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $0.20 | $3.00 | DeepSeek V4 Flash |
| 10M input + 2M output | $1.96 | $30.00 | DeepSeek V4 Flash |
| 100M input + 20M output | $19.60 | $300.00 | DeepSeek V4 Flash |
Context, output, and capability fit
DeepSeek V4 Flash provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- DeepSeek V4 Flash max output
- 384K
- Mistral Medium 3.5 max output
- 262.1K
- DeepSeek V4 Flash features
- prompt caching, function calling
- Mistral Medium 3.5 features
- function calling, vision
Risk notes for DeepSeek V4 Flash
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Risk notes for Mistral Medium 3.5
- No prompt caching in this snapshot: repeated long-context calls may be more expensive.
Routing tags
budgethigh-volumecodingreasoningopen-weightlong-contextcache-friendlyraglocal-openfrontieragentsmultimodalenterprise