Magistral Medium vs o3 Deep Research
Compare Mistral AI and OpenAI AI models
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Magistral Medium
o3 Deep Research
Cost Differences
o3 Deep Research costs more than Magistral Medium
Feature Comparison
| Feature | Magistral Medium | o3 Deep Research |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Input Price | $2.00/1M tokens | $10.00/1M tokens |
| Output Price | $5.00/1M tokens | $40.00/1M tokens |
| Context Window | 128,000 tokens | 200,000 tokens |
| Max Output | 32,768 tokens | 32,768 tokens |
| Category | reasoning | reasoning |
| Capabilities | textreasoning | textreasoningvisioncode |
| Release Date | 12/15/2025 | 6/26/2025 |
Magistral Medium vs o3 Deep Research: Which Should You Choose?
Choosing between Magistral Medium and o3 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 — 80% cheaper than o3 Deep Research. Meanwhile, o3 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 $7,650.00/month compared to o3 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 $40.00 for o3 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.
Multimodal capabilities: o3 Deep Research supports vision (image inputs) while Magistral Medium is text-only. If your application needs image understanding, this narrows your choice.
Best Use Cases
Choose Magistral Medium when:
- • Budget is a primary concern
- • You're already using Mistral AI's API ecosystem
Choose o3 Deep Research when:
- • You need a larger context window (200,000 tokens)
- • You need more capabilities (vision, code)
- • You're already using OpenAI's API ecosystem
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Magistral Medium (Mistral AI)
o3 Deep Research (OpenAI)
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