Mistral Small 4 vs ShieldGemma 2
Mistral Small 4 (2026) and ShieldGemma 2 (2024) are general-purpose language models from MistralAI and Google DeepMind. Mistral Small 4 ships a 256k-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 Small 4 is safer overall; choose ShieldGemma 2 when vision-heavy evaluation matters.
Decision scorecard
Local evidence first| Signal | Mistral Small 4 | ShieldGemma 2 |
|---|---|---|
| Best for | multimodal apps, tool-calling agents, and provider-routed production | multimodal apps and tool-calling agents |
| Decision fit | RAG, Agents, and Long context | Agents, Vision, and Classification |
| Context window | 256k | — |
| Cheapest output | $0.60/1M tokens | - |
| Provider routes | 3 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Mistral Small 4 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral Small 4 has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Mistral Small 4 for RAG, Agents, and Long context.
- ShieldGemma 2 uniquely exposes Structured outputs in local model data.
- 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 Small 4
$270
Cheapest tracked route/tier: OpenRouter
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 Small 4 and ShieldGemma 2; plan for SDK, billing, or endpoint changes.
- ShieldGemma 2 adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for ShieldGemma 2 and Mistral Small 4; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-03-16 | 2024-09-01 |
| Context window | 256k | — |
| Parameters | 119B (6.5B active) | 4B |
| Architecture | moe | decoder only |
| License | Apache 2.0(OSI) | Proprietary |
| Openness | Open source | Proprietary |
| Commercial use | Commercial use allowed | Commercial use with conditions |
| Knowledge cutoff | 2025-06 | - |
Pricing and availability
| Pricing attribute | Mistral Small 4 | ShieldGemma 2 |
|---|---|---|
| Input price | $0.15/1M tokens | - |
| Output price | $0.60/1M tokens | - |
| Providers |
Capabilities
| Capability | Mistral Small 4 | ShieldGemma 2 |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | No | No |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | No | Yes |
| 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 differs most on structured outputs: ShieldGemma 2. 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 Small 4 has $0.15/1M 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 Small 4 when vision-heavy evaluation 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 Small 4 or ShieldGemma 2 open source?
Mistral Small 4 is listed under Apache 2.0. 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 Small 4 or ShieldGemma 2?
Both Mistral Small 4 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 Small 4 or ShieldGemma 2?
Both Mistral Small 4 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 function calling, Mistral Small 4 or ShieldGemma 2?
Both Mistral Small 4 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.
Which is better for tool use, Mistral Small 4 or ShieldGemma 2?
Both Mistral Small 4 and ShieldGemma 2 expose tool use. 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 Small 4 and ShieldGemma 2?
Mistral Small 4 is available on OpenRouter, NVIDIA NIM, and Mistral AI Studio. ShieldGemma 2 is available on GCP Vertex AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.