Composer 2 vs ShieldGemma 9B
Composer 2 (2026) and ShieldGemma 9B (2024) are agentic coding models from Cursor (Anysphere) and Google DeepMind. Composer 2 ships a 200K-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.
Composer 2 fits 25x more tokens; pick it for long-context work and ShieldGemma 9B for tighter calls.
Decision scorecard
Local evidence first| Signal | Composer 2 | ShieldGemma 9B |
|---|---|---|
| Decision fit | Coding, RAG, and Agents | Classification |
| Context window | 200K | 8K |
| Cheapest output | $2.5/1M tokens | - |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Composer 2 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Composer 2 uniquely exposes Function calling, Tool use, and Code execution in local model data.
- Local decision data tags Composer 2 for Coding, RAG, and Agents.
- 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.
Composer 2
$1,025
Cheapest tracked route: Cursor
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 Composer 2 and ShieldGemma 9B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Function calling, Tool use, and Code execution before moving production traffic.
- No overlapping tracked provider route is sourced for ShieldGemma 9B and Composer 2; plan for SDK, billing, or endpoint changes.
- Composer 2 adds Function calling, Tool use, and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-03-19 | 2024-07-01 |
| Context window | 200K | 8K |
| Parameters | — | 9B |
| Architecture | - | decoder only |
| License | Proprietary | 1 |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Composer 2 | ShieldGemma 9B |
|---|---|---|
| Input price | $0.5/1M tokens | - |
| Output price | $2.5/1M tokens | - |
| Providers |
Capabilities
| Capability | Composer 2 | ShieldGemma 9B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | No | No |
| Code execution | Yes | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on function calling: Composer 2, tool use: Composer 2, and code execution: Composer 2. 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: Composer 2 has $0.5/1M input tokens and ShieldGemma 9B has no token price sourced yet. Provider availability is 1 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Composer 2 when coding workflow support and larger context windows are central to the workload. Choose ShieldGemma 9B 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, Composer 2 or ShieldGemma 9B?
Composer 2 supports 200K 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 Composer 2 or ShieldGemma 9B open source?
Composer 2 is listed under Proprietary. 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 function calling, Composer 2 or ShieldGemma 9B?
Composer 2 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.
Which is better for tool use, Composer 2 or ShieldGemma 9B?
Composer 2 has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for code execution, Composer 2 or ShieldGemma 9B?
Composer 2 has the clearer documented code execution signal in this comparison. If code execution is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Composer 2 and ShieldGemma 9B?
Composer 2 is available on Cursor. ShieldGemma 9B is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Continue comparing
Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.