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GLM-4V 9B vs Qwen3.5-4B

GLM-4V 9B (2024) and Qwen3.5-4B (2026) are general-purpose language models from Tsinghua Knowledge Engineering Group (THUDM) and Alibaba. GLM-4V 9B ships a 131K-token context window, while Qwen3.5-4B 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.

Qwen3.5-4B is safer overall; choose GLM-4V 9B when provider fit matters.

Decision scorecard

Local evidence first
SignalGLM-4V 9BQwen3.5-4B
Decision fitLong context and VisionLong context and Vision
Context window131K262K
Cheapest output$0.25/1M tokens-
Provider routes1 tracked0 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose GLM-4V 9B when...
  • GLM-4V 9B has broader tracked provider coverage for fallback and procurement flexibility.
  • Local decision data tags GLM-4V 9B for Long context and Vision.
Choose Qwen3.5-4B when...
  • Qwen3.5-4B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3.5-4B uniquely exposes Vision in local model data.
  • Local decision data tags Qwen3.5-4B for Long context and Vision.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output prices on this page.

GLM-4V 9B

$103

Cheapest tracked route: Replicate API

Qwen3.5-4B

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

GLM-4V 9B -> Qwen3.5-4B
  • No overlapping tracked provider route is sourced for GLM-4V 9B and Qwen3.5-4B; plan for SDK, billing, or endpoint changes.
  • Qwen3.5-4B adds Vision in local capability data.
Qwen3.5-4B -> GLM-4V 9B
  • No overlapping tracked provider route is sourced for Qwen3.5-4B and GLM-4V 9B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision before moving production traffic.

Specs

Specification
Released2024-06-052026-03-02
Context window131K262K
Parameters9B4B
Architecturedecoder only-
LicenseUnknownApache 2.0
Knowledge cutoff--

Pricing and availability

Pricing attributeGLM-4V 9BQwen3.5-4B
Input price$0.05/1M tokens-
Output price$0.25/1M tokens-
Providers-

Capabilities

CapabilityGLM-4V 9BQwen3.5-4B
VisionNoYes
MultimodalYesYes
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoNo
Code executionNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: Qwen3.5-4B. 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: GLM-4V 9B has $0.05/1M input tokens and Qwen3.5-4B has no token price sourced yet. Provider availability is 1 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose GLM-4V 9B when provider fit and broader provider choice are central to the workload. Choose Qwen3.5-4B when long-context analysis and larger context windows 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, GLM-4V 9B or Qwen3.5-4B?

Qwen3.5-4B supports 262K tokens, while GLM-4V 9B supports 131K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Is GLM-4V 9B or Qwen3.5-4B open source?

GLM-4V 9B is listed under Unknown. Qwen3.5-4B 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, GLM-4V 9B or Qwen3.5-4B?

Qwen3.5-4B 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. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, GLM-4V 9B or Qwen3.5-4B?

Both GLM-4V 9B and Qwen3.5-4B expose multimodal input. 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.

Where can I run GLM-4V 9B and Qwen3.5-4B?

GLM-4V 9B is available on Replicate API. Qwen3.5-4B is available on the tracked providers still being sourced. 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.

When should I pick GLM-4V 9B over Qwen3.5-4B?

Qwen3.5-4B is safer overall; choose GLM-4V 9B when provider fit matters. If your workload also depends on provider fit, start with GLM-4V 9B; if it depends on long-context analysis, run the same evaluation with Qwen3.5-4B.

Continue comparing

Last reviewed: 2026-05-14. Data sourced from public model cards and provider documentation.