Devstral 2 vs o1 Pro
Devstral 2 vs o1 Pro: Devstral 2 is cheaper for input-heavy usage ($0.40/M vs $150.00/M input tokens), while Devstral 2 is better for long-context tasks (262,144 tokens).
Direct answer: choose Devstral 2 for lower token spend and choose Devstral 2 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.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Devstral 2
o1 Pro
Cost Differences
o1 Pro costs more than Devstral 2
Quick Recommendation
Winner for direct API pricing: Devstral 2. At the default workload, Devstral 2 saves about $1,345.80/month ($16,373.90/year) versus o1 Pro.
Feature Comparison
| Feature | Devstral 2 | o1 Pro |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Input Price | $0.40/1M tokens | $150.00/1M tokens |
| Output Price | $2.00/1M tokens | $600.00/1M tokens |
| Context Window | 262,144 tokens | 200,000 tokens |
| Max Output | 32,768 tokens | 100,000 tokens |
| Category | efficient | flagship |
| Capabilities | textcode | textvisioncodereasoning |
| Release Date | 12/9/2025 | 12/17/2024 |
Devstral 2 vs o1 Pro: Which Should You Choose?
Choosing between Devstral 2 and o1 Pro depends on your priorities: cost efficiency, context length, or raw capability. Devstral 2 is the more affordable option at $0.40/1M input tokens — 100% cheaper than o1 Pro. Meanwhile, Devstral 2 offers a significantly larger context window at 262,144 tokens vs 200,000 for o1 Pro.
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.
These models target different tiers: Devstral 2 is a efficient model while o1 Pro is flagship. This means they're optimized for different workloads. o1 Pro targets more demanding workloads, while Devstral 2 provides a cost-effective option for everyday tasks.
Output costs matter too. Devstral 2 charges $2.00/1M output tokens vs $600.00 for o1 Pro. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Devstral 2 has the edge here at $2.00/1M output tokens.
Multimodal capabilities: o1 Pro supports vision (image inputs) while Devstral 2 is text-only. If your application needs image understanding, this narrows your choice.
Best Use Cases
Choose Devstral 2 when:
- • Budget is a primary concern
- • You need a larger context window (262,144 tokens)
- • You're already using Mistral AI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose o1 Pro when:
- • You need more capabilities (vision, reasoning)
- • You need longer outputs (up to 100,000 tokens)
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
Devstral 2
- • Input pricing: $0.40/M tokens
- • Output pricing: $2.00/M tokens
- • Context window: 262,144 tokens
- • Max output: 32,768 tokens
Watch out for
- • Trade-offs are minor in this matchup.
o1 Pro
- • Input pricing: $150.00/M tokens
- • Output pricing: $600.00/M tokens
- • Context window: 200,000 tokens
- • Max output: 100,000 tokens
Watch out for
- • Higher input cost than Devstral 2
- • Higher output cost than Devstral 2
- • Smaller context window than Devstral 2
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Devstral 2 (Mistral AI)
o1 Pro (OpenAI)
Start using Devstral 2 today
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Sign Up for OpenAI →Frequently Asked Questions
Which is cheaper, Devstral 2 or o1 Pro?▼
What is the context window difference between Devstral 2 and o1 Pro?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare Mistral AI and OpenAI API pricing beyond this model matchup?▼
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