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DeepSeek V4 Pro vs Magistral Small

DeepSeek V4 Pro vs Magistral Small: DeepSeek V4 Pro is cheaper for input-heavy usage ($0.435/M vs $0.50/M input tokens), while DeepSeek V4 Pro is better for long-context tasks (1,000,000 tokens).

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

Common pricing searches covered on this page: DeepSeek V4 Pro vs Magistral Small • DeepSeek V4 Pro vs Magistral Small pricing • DeepSeek V4 Pro vs Magistral Small API pricing and v4 pro vs magistral small pricing.

DeepSeek
DeepSeek V4 Pro
vs
Mistral AI
Magistral Small

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

DeepSeek V4 Pro

Per Request:$0.000870
Daily:$0.087
Monthly:$2.61
Yearly:$31.755

Magistral Small

Per Request:$0.001250
Daily:$0.125
Monthly:$3.75
Yearly:$45.625

Cost Differences

+$0.000380
Per Request
+$0.038
Daily
+$1.14
Monthly
+$13.87
Yearly

Magistral Small costs more than DeepSeek V4 Pro

Quick Recommendation

Winner for direct API pricing: DeepSeek V4 Pro. At the default workload, DeepSeek V4 Pro saves about $1.14/month ($13.87/year) versus Magistral Small.

Feature Comparison

FeatureDeepSeek V4 ProMagistral Small
ProviderDeepSeekMistral AI
Input Price$0.435/1M tokens$0.50/1M tokens
Output Price$0.87/1M tokens$1.50/1M tokens
Context Window1,000,000 tokens128,000 tokens
Max Output384,000 tokens16,384 tokens
Categoryflagshipreasoning
Capabilities
textcodereasoning
textreasoning
Release Date4/24/202612/15/2025

DeepSeek V4 Pro vs Magistral Small: Which Should You Choose?

Choosing between DeepSeek V4 Pro and Magistral Small depends on your priorities: cost efficiency, context length, or raw capability. DeepSeek V4 Pro is the more affordable option at $0.435/1M input tokens13% cheaper than Magistral Small. Meanwhile, DeepSeek V4 Pro offers a significantly larger context window at 1,000,000 tokens vs 128,000 for Magistral Small.

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 Pro is a flagship model while Magistral Small is reasoning. This means they're optimized for different workloads. DeepSeek V4 Pro is built for complex tasks that require deeper reasoning, while Magistral Small offers better value for routine operations.

Output costs matter too. DeepSeek V4 Pro charges $0.87/1M output tokens vs $1.50 for Magistral Small. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. DeepSeek V4 Pro has the edge here at $0.87/1M output tokens.

Best Use Cases

Choose DeepSeek V4 Pro when:

  • • Budget is a primary concern
  • • You need a larger context window (1,000,000 tokens)
  • • You need more capabilities (code)
  • • You need longer outputs (up to 384,000 tokens)
  • • You're already using DeepSeek's API ecosystem

Choose Magistral Small when:

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

Pros and Caveats at a Glance

DeepSeek V4 Pro

  • Input pricing: $0.435/M tokens
  • Output pricing: $0.87/M tokens
  • Context window: 1,000,000 tokens
  • Max output: 384,000 tokens

Watch out for

  • Trade-offs are minor in this matchup.

Magistral Small

  • Input pricing: $0.50/M tokens
  • Output pricing: $1.50/M tokens
  • Context window: 128,000 tokens
  • Max output: 16,384 tokens

Watch out for

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

Try Different Scenarios

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

DeepSeek V4 Pro (DeepSeek)

Magistral Small (Mistral AI)

Start using DeepSeek V4 Pro today

Sign Up for DeepSeek

Start using Magistral Small today

Sign Up for Mistral AI

Frequently Asked Questions

Which is cheaper, DeepSeek V4 Pro or Magistral Small?
DeepSeek V4 Pro is cheaper for input tokens at $0.435 per million tokens vs $0.50 for Magistral Small — that's 13% savings on input costs.
What is the context window difference between DeepSeek V4 Pro and Magistral Small?
DeepSeek V4 Pro supports 1,000,000 tokens while Magistral Small supports 128,000 tokens — a difference of 872,000 tokens in favor of DeepSeek V4 Pro.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, DeepSeek V4 Pro is the lower-cost option, while DeepSeek V4 Pro offers a larger context window (1,000,000 vs 128,000 tokens). Choose DeepSeek V4 Pro for budget sensitivity or DeepSeek V4 Pro 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 Pro costs about $2.61/month and Magistral Small costs about $3.75/month. Overall, DeepSeek V4 Pro has lower combined input + output rates ($0.435 in, $0.87 out) vs Magistral Small.
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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