Phi 3.5 Vision Instruct vs ShieldGemma 9B
Phi 3.5 Vision Instruct (2024) and ShieldGemma 9B (2024) are compact production models from Microsoft Research and Google DeepMind. Phi 3.5 Vision Instruct ships a 128K-token context window, while ShieldGemma 9B ships a 8K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing. The goal is to make the tradeoff clear before deeper testing.
Phi 3.5 Vision Instruct fits 16x more tokens; pick it for long-context work and ShieldGemma 9B for tighter calls.
Decision scorecard
Local evidence first| Signal | Phi 3.5 Vision Instruct | ShieldGemma 9B |
|---|---|---|
| Decision fit | Long context and Vision | Classification |
| Context window | 128K | 8K |
| Cheapest output | - | - |
| Provider routes | 0 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Phi 3.5 Vision Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Phi 3.5 Vision Instruct uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags Phi 3.5 Vision Instruct for Long context and Vision.
- ShieldGemma 9B has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags ShieldGemma 9B for Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
Phi 3.5 Vision Instruct
Unavailable
No complete token price in local provider data
ShieldGemma 9B
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 Phi 3.5 Vision Instruct and ShieldGemma 9B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
- No overlapping tracked provider route is sourced for ShieldGemma 9B and Phi 3.5 Vision Instruct; plan for SDK, billing, or endpoint changes.
- Phi 3.5 Vision Instruct adds Vision and Multimodal in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-08-20 | 2024-07-01 |
| Context window | 128K | 8K |
| Parameters | 4.1B | 9B |
| Architecture | decoder only | decoder only |
| License | Open Source | 1 |
| Knowledge cutoff | 2023-10 | - |
Pricing and availability
| Pricing attribute | Phi 3.5 Vision Instruct | ShieldGemma 9B |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - |
Pricing not yet sourced for either model.
Capabilities
| Capability | Phi 3.5 Vision Instruct | ShieldGemma 9B |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Phi 3.5 Vision Instruct and multimodal input: Phi 3.5 Vision Instruct. 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: Phi 3.5 Vision Instruct has no token price sourced yet and ShieldGemma 9B has no token price sourced yet. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Phi 3.5 Vision Instruct when long-context analysis and larger context windows are central to the workload. Choose ShieldGemma 9B when provider fit 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 has a larger context window, Phi 3.5 Vision Instruct or ShieldGemma 9B?
Phi 3.5 Vision Instruct supports 128K tokens, while ShieldGemma 9B supports 8K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Phi 3.5 Vision Instruct or ShieldGemma 9B open source?
Phi 3.5 Vision Instruct is listed under Open Source. ShieldGemma 9B is listed under 1. 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, Phi 3.5 Vision Instruct or ShieldGemma 9B?
Phi 3.5 Vision Instruct 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, Phi 3.5 Vision Instruct or ShieldGemma 9B?
Phi 3.5 Vision Instruct 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.
Where can I run Phi 3.5 Vision Instruct and ShieldGemma 9B?
Phi 3.5 Vision Instruct is available on the tracked providers still being sourced. ShieldGemma 9B is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Phi 3.5 Vision Instruct over ShieldGemma 9B?
Phi 3.5 Vision Instruct fits 16x more tokens; pick it for long-context work and ShieldGemma 9B for tighter calls. If your workload also depends on long-context analysis, start with Phi 3.5 Vision Instruct; if it depends on provider fit, run the same evaluation with ShieldGemma 9B.
Continue comparing
Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.