Granite Vision 4.1 4B vs Qwen3.5-397B-A17B
Granite Vision 4.1 4B (2026) and Qwen3.5-397B-A17B (2026) are frontier reasoning models from IBM Research and Alibaba. Granite Vision 4.1 4B ships a not-yet-sourced context window, while Qwen3.5-397B-A17B ships a 262K-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.
Granite Vision 4.1 4B is safer overall; choose Qwen3.5-397B-A17B when reasoning depth matters.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-29 | 2026-02-16 |
| Context window | — | 262K |
| Parameters | 4B | 397B |
| Architecture | SigLIP2 vision encoder + Window Q-Former projectors + Granite 4.1 3B LLM with LoRA rank 256 | MoE |
| License | Open Source | Apache 2.0 |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Granite Vision 4.1 4B | Qwen3.5-397B-A17B |
|---|---|---|
| Input price | - | $0.39/1M tokens |
| Output price | - | $2.34/1M tokens |
| Providers | - |
Capabilities
| Capability | Granite Vision 4.1 4B | Qwen3.5-397B-A17B |
|---|---|---|
| Vision | No | No |
| Multimodal | Yes | Yes |
| Reasoning | No | Yes |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on reasoning mode: Qwen3.5-397B-A17B, function calling: Qwen3.5-397B-A17B, tool use: Qwen3.5-397B-A17B, and structured outputs: Qwen3.5-397B-A17B. Both models share 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 Qwen3.5-397B-A17B has $0.39/1M input tokens. 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 Granite Vision 4.1 4B when provider fit are central to the workload. Choose Qwen3.5-397B-A17B when reasoning depth 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 Qwen3.5-397B-A17B open source?
Granite Vision 4.1 4B is listed under Open Source. Qwen3.5-397B-A17B 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 multimodal input, Granite Vision 4.1 4B or Qwen3.5-397B-A17B?
Both Granite Vision 4.1 4B and Qwen3.5-397B-A17B 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, Granite Vision 4.1 4B or Qwen3.5-397B-A17B?
Qwen3.5-397B-A17B 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, Granite Vision 4.1 4B or Qwen3.5-397B-A17B?
Qwen3.5-397B-A17B 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 Qwen3.5-397B-A17B?
Qwen3.5-397B-A17B 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 Qwen3.5-397B-A17B?
Granite Vision 4.1 4B is available on the tracked providers still being sourced. Qwen3.5-397B-A17B is available on OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.