Granite Vision 4.1 4B vs Qwen3.5-9B
Granite Vision 4.1 4B (2026) and Qwen3.5-9B (2026) are general-purpose language models from IBM Research and Alibaba. Granite Vision 4.1 4B ships a not-yet-sourced context window, while Qwen3.5-9B ships a 262k-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.
Granite Vision 4.1 4B is safer overall; choose Qwen3.5-9B when vision-heavy evaluation matters.
Decision scorecard
Local evidence first| Signal | Granite Vision 4.1 4B | Qwen3.5-9B |
|---|---|---|
| Best for | multimodal apps | multimodal apps, tool-calling agents, and provider-routed production |
| Decision fit | Vision | Coding, RAG, and Agents |
| Context window | — | 262k |
| Cheapest output | - | $0.15/1M tokens |
| Provider routes | 0 tracked | 3 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Local decision data tags Granite Vision 4.1 4B for Vision.
- Qwen3.5-9B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Qwen3.5-9B has broader tracked provider coverage for fallback and procurement flexibility.
- Qwen3.5-9B uniquely exposes Function calling, Tool use, and Structured outputs in local model data.
- Local decision data tags Qwen3.5-9B for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Granite Vision 4.1 4B
Unavailable
No complete token price in local provider data
Qwen3.5-9B
$118
Cheapest tracked route/tier: Together AI
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Granite Vision 4.1 4B and Qwen3.5-9B; plan for SDK, billing, or endpoint changes.
- Qwen3.5-9B adds Function calling, Tool use, and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Qwen3.5-9B and Granite Vision 4.1 4B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Function calling, Tool use, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-29 | 2026-03-02 |
| Context window | — | 262k |
| Parameters | 4B | 9B |
| Architecture | Decoder Only | Decoder Only |
| License | Open Weights | Apache 2.0OSI-approved |
| Openness | Open weights | Open source |
| Commercial use | - | Commercial use: permitted |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Granite Vision 4.1 4B | Qwen3.5-9B |
|---|---|---|
| Input price | - | $0.10/1M tokens |
| Output price | - | $0.15/1M tokens |
| Providers | - |
Capabilities
| Capability | Granite Vision 4.1 4B | Qwen3.5-9B |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | 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 scores are currently available for this pair.
Deep dive
The capability footprint differs most on function calling: Qwen3.5-9B, tool use: Qwen3.5-9B, and structured outputs: Qwen3.5-9B. Both models share vision and multimodal input, 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: Granite Vision 4.1 4B has no token price sourced yet and Qwen3.5-9B has $0.10/1M input tokens. Provider availability is 0 tracked routes versus 3. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Granite Vision 4.1 4B when vision-heavy evaluation are central to the workload. Choose Qwen3.5-9B when vision-heavy evaluation 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.
FAQ
Is Granite Vision 4.1 4B or Qwen3.5-9B open source?
Granite Vision 4.1 4B is listed under Open Weights. Qwen3.5-9B is listed under Apache 2.0. 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, Granite Vision 4.1 4B or Qwen3.5-9B?
Both Granite Vision 4.1 4B and Qwen3.5-9B 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, Granite Vision 4.1 4B or Qwen3.5-9B?
Both Granite Vision 4.1 4B and Qwen3.5-9B 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, Granite Vision 4.1 4B or Qwen3.5-9B?
Qwen3.5-9B 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, Granite Vision 4.1 4B or Qwen3.5-9B?
Qwen3.5-9B 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.
Where can I run Granite Vision 4.1 4B and Qwen3.5-9B?
Granite Vision 4.1 4B is available on the tracked providers still being sourced. Qwen3.5-9B is available on Together AI, OpenRouter, and Alibaba Cloud PAI-EAS. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.