Mistral Magistral Small 2509 vs Mistral NeMo Instruct (2407)
Mistral Magistral Small 2509 (2025) and Mistral NeMo Instruct (2407) (2024) are compact production models from MistralAI. Mistral Magistral Small 2509 ships a not-yet-sourced context window, while Mistral NeMo Instruct (2407) ships a 128k-token context window. On pricing, Mistral NeMo Instruct (2407) costs $0.02/1M input tokens versus $0.50/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Mistral NeMo Instruct (2407) is ~2400% cheaper at $0.02/1M; pay for Mistral Magistral Small 2509 only for provider fit.
Decision scorecard
Local evidence first| Signal | Mistral Magistral Small 2509 | Mistral NeMo Instruct (2407) |
|---|---|---|
| Best for | provider-routed production | provider-routed production |
| Decision fit | General | Coding, Long context, and Classification |
| Context window | — | 128k |
| Cheapest output | $1.50/1M tokens | $0.04/1M tokens |
| Provider routes | 2 tracked | 7 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Use Mistral Magistral Small 2509 when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Mistral NeMo Instruct (2407) has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral NeMo Instruct (2407) has the lower cheapest tracked output price at $0.04/1M tokens.
- Mistral NeMo Instruct (2407) has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Mistral NeMo Instruct (2407) for Coding, Long context, and Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Mistral Magistral Small 2509
$775
Cheapest tracked route/tier: AWS Bedrock
Mistral NeMo Instruct (2407)
$26.00
Cheapest tracked route/tier: DeepInfra
Estimated monthly gap: $749. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Mistral Magistral Small 2509 and Mistral NeMo Instruct (2407); plan for SDK, billing, or endpoint changes.
- Mistral NeMo Instruct (2407) is $1.46/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- No overlapping tracked provider route is sourced for Mistral NeMo Instruct (2407) and Mistral Magistral Small 2509; plan for SDK, billing, or endpoint changes.
- Mistral Magistral Small 2509 is $1.46/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-09-01 | 2024-07-18 |
| Context window | — | 128k |
| Parameters | 24B | 12B |
| Architecture | - | decoder only |
| License | Proprietary | Apache 2.0 |
| Knowledge cutoff | - | 2024-04 |
Pricing and availability
| Pricing attribute | Mistral Magistral Small 2509 | Mistral NeMo Instruct (2407) |
|---|---|---|
| Input price | $0.50/1M tokens | $0.02/1M tokens |
| Output price | $1.50/1M tokens | $0.04/1M tokens |
| Providers |
Capabilities
| Capability | Mistral Magistral Small 2509 | Mistral NeMo Instruct (2407) |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint is close: both models cover the core production surface. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.
For cost, Mistral Magistral Small 2509 lists $0.50/1M input and $1.50/1M output tokens on the cheapest tracked provider, while Mistral NeMo Instruct (2407) lists $0.02/1M input and $0.04/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Mistral NeMo Instruct (2407) lower by about $0.77 per million blended tokens. Availability is 2 providers versus 7, so concentration risk also matters.
Choose Mistral Magistral Small 2509 when provider fit are central to the workload. Choose Mistral NeMo Instruct (2407) when provider fit, lower input-token cost, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which is cheaper, Mistral Magistral Small 2509 or Mistral NeMo Instruct (2407)?
Mistral NeMo Instruct (2407) is cheaper on tracked token pricing. Mistral Magistral Small 2509 costs $0.50/1M input and $1.50/1M output tokens. Mistral NeMo Instruct (2407) costs $0.02/1M input and $0.04/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Mistral Magistral Small 2509 or Mistral NeMo Instruct (2407) open source?
Mistral Magistral Small 2509 is listed under Proprietary. Mistral NeMo Instruct (2407) is listed under Apache 2.0. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Where can I run Mistral Magistral Small 2509 and Mistral NeMo Instruct (2407)?
Mistral Magistral Small 2509 is available on AWS Bedrock and Vercel AI Gateway. Mistral NeMo Instruct (2407) is available on NVIDIA NIM, Microsoft Foundry, DeepInfra, Fireworks AI, and Arcee AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Mistral Magistral Small 2509 over Mistral NeMo Instruct (2407)?
Mistral NeMo Instruct (2407) is ~2400% cheaper at $0.02/1M; pay for Mistral Magistral Small 2509 only for provider fit. If your workload also depends on provider fit, start with Mistral Magistral Small 2509; if it depends on provider fit, run the same evaluation with Mistral NeMo Instruct (2407).
Continue comparing
Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.