Mistral Medium 3.5 vs ShieldGemma 2
Mistral Medium 3.5 (2026) and ShieldGemma 2 (2024) are frontier reasoning models from MistralAI and Google DeepMind. Mistral Medium 3.5 ships a 262k-token context window, while ShieldGemma 2 ships a not-yet-sourced 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 3.5 is safer overall; choose ShieldGemma 2 when vision-heavy evaluation matters.
Decision scorecard
Local evidence first| Signal | Mistral Medium 3.5 | ShieldGemma 2 |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | multimodal apps and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Agents, Vision, and Classification |
| Context window | 262k | — |
| Cheapest output | $7.50/1M tokens | - |
| Provider routes | 3 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Mistral Medium 3.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral Medium 3.5 has broader tracked provider coverage for fallback and procurement flexibility.
- Mistral Medium 3.5 uniquely exposes Reasoning in local model data.
- Local decision data tags Mistral Medium 3.5 for Coding, RAG, and Agents.
- Local decision data tags ShieldGemma 2 for Agents, Vision, and Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Mistral Medium 3.5
$3,075
Cheapest tracked route/tier: Mistral AI Studio
ShieldGemma 2
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 3.5 and ShieldGemma 2; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning before moving production traffic.
- No overlapping tracked provider route is sourced for ShieldGemma 2 and Mistral Medium 3.5; plan for SDK, billing, or endpoint changes.
- Mistral Medium 3.5 adds Reasoning in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-29 | 2024-09-01 |
| Context window | 262k | — |
| Parameters | 128B | 4B |
| Architecture | Decoder Only | Decoder Only |
| License | Mistral Modified MIT License | Proprietary |
| Openness | Open weights | Proprietary |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Mistral Medium 3.5 | ShieldGemma 2 |
|---|---|---|
| Input price | $1.50/1M tokens | - |
| Output price | $7.50/1M tokens | - |
| Providers |
Capabilities
| Capability | Mistral Medium 3.5 | ShieldGemma 2 |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Deep dive
The capability footprint differs most on reasoning mode: Mistral Medium 3.5. Both models share vision, multimodal input, function calling, and tool use, 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 3.5 has $1.50/1M input tokens and ShieldGemma 2 has no token price sourced yet. Provider availability is 3 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Mistral Medium 3.5 when reasoning depth and broader provider choice are central to the workload. Choose ShieldGemma 2 when vision-heavy evaluation 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
Is Mistral Medium 3.5 or ShieldGemma 2 open source?
Mistral Medium 3.5 is listed under Mistral Modified MIT License. ShieldGemma 2 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 3.5 or ShieldGemma 2?
Both Mistral Medium 3.5 and ShieldGemma 2 expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Which is better for multimodal input, Mistral Medium 3.5 or ShieldGemma 2?
Both Mistral Medium 3.5 and ShieldGemma 2 expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for reasoning mode, Mistral Medium 3.5 or ShieldGemma 2?
Mistral Medium 3.5 has the clearer documented reasoning mode signal in this comparison. If reasoning mode 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 3.5 or ShieldGemma 2?
Both Mistral Medium 3.5 and ShieldGemma 2 expose function calling. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Mistral Medium 3.5 and ShieldGemma 2?
Mistral Medium 3.5 is available on Mistral AI Studio, OpenRouter, and Vercel AI Gateway. ShieldGemma 2 is available on GCP Vertex AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-06-17. Data sourced from public model cards and provider documentation.