Mistral Medium 3 vs Nemotron 3 Ultra
Mistral Medium 3 (2025) and Nemotron 3 Ultra (2024) are compact production models from MistralAI and NVIDIA AI. Mistral Medium 3 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 is safer overall; choose Nemotron 3 Ultra when provider fit matters.
Decision scorecard
Local evidence first| Signal | Mistral Medium 3 | Nemotron 3 Ultra |
|---|---|---|
| Best for | multimodal apps and tool-calling agents | general production evaluation |
| Decision fit | Coding, RAG, and Agents | Long context |
| Context window | 128k | 128k |
| Cheapest output | - | - |
| Provider routes | 0 tracked | 0 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Mistral Medium 3 uniquely exposes Vision, Multimodal, and Function calling in local model data.
- Local decision data tags Mistral Medium 3 for Coding, RAG, and Agents.
- 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
Unavailable
No complete token price in local provider data
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 and Nemotron 3 Ultra; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and Function calling before moving production traffic.
- No overlapping tracked provider route is sourced for Nemotron 3 Ultra and Mistral Medium 3; plan for SDK, billing, or endpoint changes.
- Mistral Medium 3 adds Vision, Multimodal, and Function calling in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-05-01 | 2024-09-10 |
| Context window | 128k | 128k |
| Parameters | — | 550B (55B active) |
| Architecture | decoder only | decoder only |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2025-03 | - |
Pricing and availability
| Pricing attribute | Mistral Medium 3 | Nemotron 3 Ultra |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - | - |
Pricing not yet sourced for either model.
Capabilities
| Capability | Mistral Medium 3 | Nemotron 3 Ultra |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | No | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | No |
| Code execution | Yes | 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 differs most on vision: Mistral Medium 3, multimodal input: Mistral Medium 3, function calling: Mistral Medium 3, tool use: Mistral Medium 3, structured outputs: Mistral Medium 3, and code execution: Mistral Medium 3. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: Mistral Medium 3 has no token price sourced yet and Nemotron 3 Ultra has no token price sourced yet. Provider availability is 0 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 when coding workflow support 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.
FAQ
Which has a larger context window, Mistral Medium 3 or Nemotron 3 Ultra?
Mistral Medium 3 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 or Nemotron 3 Ultra open source?
Mistral Medium 3 is listed under Proprietary. 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.
Which is better for vision, Mistral Medium 3 or Nemotron 3 Ultra?
Mistral Medium 3 has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Mistral Medium 3 or Nemotron 3 Ultra?
Mistral Medium 3 has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, Mistral Medium 3 or Nemotron 3 Ultra?
Mistral Medium 3 has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
When should I pick Mistral Medium 3 over Nemotron 3 Ultra?
Mistral Medium 3 is safer overall; choose Nemotron 3 Ultra when provider fit matters. If your workload also depends on coding workflow support, start with Mistral Medium 3; 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.