Mistral Medium 3 Instruct vs Nemotron 3 Ultra
Mistral Medium 3 Instruct (2025) and Nemotron 3 Ultra (2024) are compact production models from MistralAI and NVIDIA AI. Mistral Medium 3 Instruct ships a 128k-token context window, while Nemotron 3 Ultra ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
Mistral Medium 3 Instruct is safer overall; choose Nemotron 3 Ultra when provider fit matters.
Decision scorecard
Local evidence first| Signal | Mistral Medium 3 Instruct | Nemotron 3 Ultra |
|---|---|---|
| Best for | provider-routed production | general production evaluation |
| Decision fit | Long context | Long context |
| Context window | 128k | 128k |
| Cheapest output | $2/1M tokens | - |
| Provider routes | 2 tracked | 0 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Mistral Medium 3 Instruct has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Mistral Medium 3 Instruct for Long context.
- Local decision data tags Nemotron 3 Ultra for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Mistral Medium 3 Instruct
$820
Cheapest tracked route/tier: Mistral AI Studio
Nemotron 3 Ultra
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Mistral Medium 3 Instruct and Nemotron 3 Ultra; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Nemotron 3 Ultra and Mistral Medium 3 Instruct; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-10-01 | 2024-09-10 |
| Context window | 128k | 128k |
| Parameters | — | 550B (55B active) |
| Architecture | decoder only | decoder only |
| License | 1 | Proprietary |
| Knowledge cutoff | 2025-03 | - |
Pricing and availability
| Pricing attribute | Mistral Medium 3 Instruct | Nemotron 3 Ultra |
|---|---|---|
| Input price | $0.40/1M tokens | - |
| Output price | $2/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Mistral Medium 3 Instruct | Nemotron 3 Ultra |
|---|---|---|
| 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.
Pricing coverage is uneven: Mistral Medium 3 Instruct has $0.40/1M input tokens and Nemotron 3 Ultra has no token price sourced yet. Provider availability is 2 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Mistral Medium 3 Instruct when provider fit and broader provider choice are central to the workload. Choose Nemotron 3 Ultra when provider fit 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.
FAQ
Which has a larger context window, Mistral Medium 3 Instruct or Nemotron 3 Ultra?
Mistral Medium 3 Instruct supports 128k tokens, while Nemotron 3 Ultra supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Mistral Medium 3 Instruct or Nemotron 3 Ultra open source?
Mistral Medium 3 Instruct is listed under 1. Nemotron 3 Ultra is listed under Proprietary. 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 Medium 3 Instruct and Nemotron 3 Ultra?
Mistral Medium 3 Instruct is available on NVIDIA NIM and Mistral AI Studio. Nemotron 3 Ultra is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Mistral Medium 3 Instruct over Nemotron 3 Ultra?
Mistral Medium 3 Instruct is safer overall; choose Nemotron 3 Ultra when provider fit matters. If your workload also depends on provider fit, start with Mistral Medium 3 Instruct; if it depends on provider fit, run the same evaluation with Nemotron 3 Ultra.
Continue comparing
Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.