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Magistral Medium vs o4-mini Deep Research

Magistral Medium vs o4-mini Deep Research: Magistral Medium is cheaper for input-heavy usage ($2.00/M vs $2.00/M input tokens), while o4-mini Deep Research is better for long-context tasks (200,000 tokens).

Direct answer: choose Magistral Medium for lower token spend and choose o4-mini Deep Research when your workload needs longer context.

Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.

Mistral AI
Magistral Medium
vs
OpenAI
o4-mini Deep Research

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

Magistral Medium

Per Request:$0.004500
Daily:$0.45
Monthly:$13.50
Yearly:$164.25

o4-mini Deep Research

Per Request:$0.006000
Daily:$0.60
Monthly:$18.00
Yearly:$219.00

Cost Differences

+$0.001500
Per Request
+$0.15
Daily
+$4.50
Monthly
+$54.75
Yearly

o4-mini Deep Research costs more than Magistral Medium

Quick Recommendation

Winner for direct API pricing: Magistral Medium. At the default workload, Magistral Medium saves about $4.50/month ($54.75/year) versus o4-mini Deep Research.

Feature Comparison

FeatureMagistral Mediumo4-mini Deep Research
ProviderMistral AIOpenAI
Input Price$2.00/1M tokens$2.00/1M tokens
Output Price$5.00/1M tokens$8.00/1M tokens
Context Window128,000 tokens200,000 tokens
Max Output32,768 tokens32,768 tokens
Categoryreasoningreasoning
Capabilities
textreasoning
textreasoningcode
Release Date12/15/20256/26/2025

Magistral Medium vs o4-mini Deep Research: Which Should You Choose?

Choosing between Magistral Medium and o4-mini Deep Research depends on your priorities: cost efficiency, context length, or raw capability. Magistral Medium is the more affordable option at $2.00/1M input tokens. Meanwhile, o4-mini Deep Research offers a significantly larger context window at 200,000 tokens vs 128,000 for Magistral Medium.

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

Both models are in the reasoning category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: Magistral Medium would save you roughly $450.00/month compared to o4-mini Deep Research. For startups and indie developers, that difference can be significant.

Output costs matter too. Magistral Medium charges $5.00/1M output tokens vs $8.00 for o4-mini Deep Research. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Magistral Medium has the edge here at $5.00/1M output tokens.

Best Use Cases

Choose Magistral Medium when:

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

Choose o4-mini Deep Research when:

  • • You need a larger context window (200,000 tokens)
  • • You need more capabilities (code)
  • • You're already using OpenAI's API ecosystem

Pros and Caveats at a Glance

Magistral Medium

  • Input pricing: $2.00/M tokens
  • Output pricing: $5.00/M tokens
  • Context window: 128,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Smaller context window than o4-mini Deep Research

o4-mini Deep Research

  • Input pricing: $2.00/M tokens
  • Output pricing: $8.00/M tokens
  • Context window: 200,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Higher output cost than Magistral Medium

Try Different Scenarios

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

Magistral Medium (Mistral AI)

o4-mini Deep Research (OpenAI)

Start using Magistral Medium today

Sign Up for Mistral AI

Start using o4-mini Deep Research today

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Frequently Asked Questions

Which is cheaper, Magistral Medium or o4-mini Deep Research?
Magistral Medium is cheaper for input tokens at $2.00 per million tokens vs $2.00 for o4-mini Deep Research.
What is the context window difference between Magistral Medium and o4-mini Deep Research?
Magistral Medium supports 128,000 tokens while o4-mini Deep Research supports 200,000 tokens — a difference of 72,000 tokens in favor of o4-mini Deep Research.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Magistral Medium is the lower-cost option, while o4-mini Deep Research offers a larger context window (200,000 vs 128,000 tokens). Choose Magistral Medium for budget sensitivity or o4-mini Deep Research 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, Magistral Medium costs about $13.50/month and o4-mini Deep Research costs about $18.00/month. Overall, Magistral Medium has lower combined input + output rates ($2.00 in, $5.00 out) vs o4-mini Deep Research.
Where can I compare Mistral AI and OpenAI API pricing beyond this model matchup?
See the Mistral AI vs OpenAI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.

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