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DeepSeek V4 Flash vs Mistral Medium 3.1

DeepSeek V4 Flash vs Mistral Medium 3.1: DeepSeek V4 Flash is cheaper for input-heavy usage ($0.14/M vs $0.40/M input tokens), while DeepSeek V4 Flash is better for long-context tasks (1,000,000 tokens).

Direct answer: choose DeepSeek V4 Flash for lower token spend and choose DeepSeek V4 Flash when your workload needs longer context.

Common pricing searches covered on this page: DeepSeek V4 Flash vs Mistral Medium 3.1 • DeepSeek V4 Flash vs Mistral Medium 3.1 pricing • DeepSeek V4 Flash vs Mistral Medium 3.1 API pricing and v4 flash vs medium 3 1 pricing.

DeepSeek
DeepSeek V4 Flash
vs
Mistral AI
Mistral Medium 3.1

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

DeepSeek V4 Flash

Per Request:$0.000280
Daily:$0.028
Monthly:$0.84
Yearly:$10.22

Mistral Medium 3.1

Per Request:$0.001400
Daily:$0.14
Monthly:$4.20
Yearly:$51.10

Cost Differences

+$0.001120
Per Request
+$0.112
Daily
+$3.36
Monthly
+$40.88
Yearly

Mistral Medium 3.1 costs more than DeepSeek V4 Flash

Quick Recommendation

Winner for direct API pricing: DeepSeek V4 Flash. At the default workload, DeepSeek V4 Flash saves about $3.36/month ($40.88/year) versus Mistral Medium 3.1.

Feature Comparison

FeatureDeepSeek V4 FlashMistral Medium 3.1
ProviderDeepSeekMistral AI
Input Price$0.14/1M tokens$0.40/1M tokens
Output Price$0.28/1M tokens$2.00/1M tokens
Context Window1,000,000 tokens131,072 tokens
Max Output384,000 tokens16,384 tokens
Categoryefficientbalanced
Capabilities
textcodereasoning
textcodereasoning
Release Date4/24/20268/1/2025

DeepSeek V4 Flash vs Mistral Medium 3.1: Which Should You Choose?

Choosing between DeepSeek V4 Flash and Mistral Medium 3.1 depends on your priorities: cost efficiency, context length, or raw capability. DeepSeek V4 Flash is the more affordable option at $0.14/1M input tokens65% cheaper than Mistral Medium 3.1. Meanwhile, DeepSeek V4 Flash offers a significantly larger context window at 1,000,000 tokens vs 131,072 for Mistral Medium 3.1.

These models come from different providers — DeepSeek and Mistral AI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with DeepSeek, switching to Mistral AIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: DeepSeek V4 Flash is a efficient model while Mistral Medium 3.1 is balanced. This means they're optimized for different workloads. Mistral Medium 3.1 targets more demanding workloads, while DeepSeek V4 Flash provides a cost-effective option for everyday tasks.

Output costs matter too. DeepSeek V4 Flash charges $0.28/1M output tokens vs $2.00 for Mistral Medium 3.1. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. DeepSeek V4 Flash has the edge here at $0.28/1M output tokens.

Best Use Cases

Choose DeepSeek V4 Flash when:

  • • Budget is a primary concern
  • • You need a larger context window (1,000,000 tokens)
  • • You need longer outputs (up to 384,000 tokens)
  • • You're already using DeepSeek's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose Mistral Medium 3.1 when:

  • • You're already using Mistral AI's API ecosystem

Pros and Caveats at a Glance

DeepSeek V4 Flash

  • Input pricing: $0.14/M tokens
  • Output pricing: $0.28/M tokens
  • Context window: 1,000,000 tokens
  • Max output: 384,000 tokens

Watch out for

  • Trade-offs are minor in this matchup.

Mistral Medium 3.1

  • Input pricing: $0.40/M tokens
  • Output pricing: $2.00/M tokens
  • Context window: 131,072 tokens
  • Max output: 16,384 tokens

Watch out for

  • Higher input cost than DeepSeek V4 Flash
  • Higher output cost than DeepSeek V4 Flash
  • Smaller context window than DeepSeek V4 Flash

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

DeepSeek V4 Flash (DeepSeek)

Mistral Medium 3.1 (Mistral AI)

Start using DeepSeek V4 Flash today

Sign Up for DeepSeek

Start using Mistral Medium 3.1 today

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Frequently Asked Questions

Which is cheaper, DeepSeek V4 Flash or Mistral Medium 3.1?
DeepSeek V4 Flash is cheaper for input tokens at $0.14 per million tokens vs $0.40 for Mistral Medium 3.1 — that's 65% savings on input costs.
What is the context window difference between DeepSeek V4 Flash and Mistral Medium 3.1?
DeepSeek V4 Flash supports 1,000,000 tokens while Mistral Medium 3.1 supports 131,072 tokens — a difference of 868,928 tokens in favor of DeepSeek V4 Flash.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, DeepSeek V4 Flash is the lower-cost option, while DeepSeek V4 Flash offers a larger context window (1,000,000 vs 131,072 tokens). Choose DeepSeek V4 Flash for budget sensitivity or DeepSeek V4 Flash for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, DeepSeek V4 Flash costs about $0.84/month and Mistral Medium 3.1 costs about $4.20/month. Overall, DeepSeek V4 Flash has lower combined input + output rates ($0.14 in, $0.28 out) vs Mistral Medium 3.1.
Where can I compare DeepSeek and Mistral AI API pricing beyond this model matchup?
See the DeepSeek vs Mistral AI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.

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