Devstral 2 vs Mistral Small 4
Devstral 2 vs Mistral Small 4: Mistral Small 4 is cheaper for input-heavy usage ($0.15/M vs $0.40/M input tokens), while Devstral 2 is better for long-context tasks (262,144 tokens).
Direct answer: choose Mistral Small 4 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
Mistral Small 4
Cost Differences
Mistral Small 4 costs less than Devstral 2
Quick Recommendation
Winner for direct API pricing: Mistral Small 4. At the default workload, Mistral Small 4 saves about $2.85/month ($34.675/year) versus Devstral 2.
Feature Comparison
| Feature | Devstral 2 | Mistral Small 4 |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Input Price | $0.40/1M tokens | $0.15/1M tokens |
| Output Price | $2.00/1M tokens | $0.60/1M tokens |
| Context Window | 262,144 tokens | 128,000 tokens |
| Max Output | 32,768 tokens | 16,384 tokens |
| Category | efficient | efficient |
| Capabilities | textcode | textvisioncodereasoning |
| Release Date | 12/9/2025 | 3/18/2026 |
Devstral 2 vs Mistral Small 4: Which Should You Choose?
Choosing between Devstral 2 and Mistral Small 4 depends on your priorities: cost efficiency, context length, or raw capability. Mistral Small 4 is the more affordable option at $0.15/1M input tokens — 63% cheaper than Devstral 2. Meanwhile, Devstral 2 offers a significantly larger context window at 262,144 tokens vs 128,000 for Mistral Small 4.
Both models are in the efficient category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: Mistral Small 4 would save you roughly $285.00/month compared to Devstral 2. For startups and indie developers, that difference can be significant.
Output costs matter too. Devstral 2 charges $2.00/1M output tokens vs $0.60 for Mistral Small 4. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Mistral Small 4 has the edge here at $0.60/1M output tokens.
Multimodal capabilities: Mistral Small 4 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:
- • You need a larger context window (262,144 tokens)
- • You need longer outputs (up to 32,768 tokens)
- • You're already using Mistral AI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose Mistral Small 4 when:
- • Budget is a primary concern
- • You need more capabilities (vision, reasoning)
- • You're already using Mistral AI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
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
- • Higher input cost than Mistral Small 4
- • Higher output cost than Mistral Small 4
Mistral Small 4
- • Input pricing: $0.15/M tokens
- • Output pricing: $0.60/M tokens
- • Context window: 128,000 tokens
- • Max output: 16,384 tokens
Watch out for
- • 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)
Mistral Small 4 (Mistral AI)
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Sign Up for Mistral AI →Frequently Asked Questions
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