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Comparison · 2 models · Updated Oct 4, 2026

Qwen3-VL Plus vs GLM-4.5-Air

Qwen3-VL Plus comes out ahead, 56 to 49 on our weighted score, though GLM-4.5-Air is 23% cheaper per token.

  1. Our pick

    Alibaba (Qwen)

    Qwen3-VL Plus

    Released Sep 23, 2025

    56/100
    • ECI—
    • Price$0.20 / $1.60
    • Context262K
  2. Z.ai (Zhipu)

    GLM-4.5-Air

    Released Jul 28, 2025

    49/100
    • ECI—
    • Price$0.20 / $1.10
    • Context131K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Qwen3-VL Plus is our pick

Qwen3-VL Plus is the better all-round choice, scoring 56/100 against GLM-4.5-Air (49). It leads on inputs & features and context window. GLM-4.5-Air wins on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceGLM-4.5-AirGLM-4.5-Air $0.425 · Qwen3-VL Plus $0.55 per 1M tokens (3:1 blend)
  • Longest contextQwen3-VL PlusQwen3-VL Plus 262,144 · GLM-4.5-Air 131,072 tokens
  • Widest inputsQwen3-VL PlusQwen3-VL Plus: Text, Images · GLM-4.5-Air: Text
  • Self-hostingGLM-4.5-AirPublishes downloadable weights
How the score is built
MeasureWeightQwen3-VL PlusGLM-4.5-Air
Price50%6268
Inputs & features30%6035
Context window20%3724
Overall100%56/10049/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Qwen3-VL Plus vs GLM-4.5-Air specifications side by side
SpecificationQwen3-VL PlusAlibaba (Qwen)GLM-4.5-AirZ.ai (Zhipu)
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.20$0.20
Output$1.60$1.10 (best)
Cached input—$0.03
Blended (3:1)$0.55$0.425 (best)
Long-context rateSame rateSame rate
Price sourceOfficial Alibaba APIOfficial Z.AI API
Limits
Context window262,144 tokens (best)131,072 tokens
Max output32,768 tokens98,304 tokens (best)
Inputs and features
TextYesYes
ImagesYesNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsProprietaryOpen
API model IDqwen3-vl-plusglm-4.5-air
API providers613 (best)
ReleasedSep 23, 2025Jul 28, 2025
Knowledge cutoffApr 2025Apr 2025
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Qwen3-VL Plus$5.20
  • GLM-4.5-Air$4.20
04 — Questions

Which should you choose?

Which is better: Qwen3-VL Plus or GLM-4.5-Air?

Qwen3-VL Plus is the better all-round choice, scoring 56/100 against GLM-4.5-Air (49). It leads on inputs & features and context window. GLM-4.5-Air wins on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Qwen3-VL Plus or GLM-4.5-Air?

GLM-4.5-Air is cheaper at $0.20 input / $1.10 output per million tokens (official Z.AI API price). Qwen3-VL Plus costs $0.20 input / $1.60 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $0.425 per million tokens for GLM-4.5-Air versus $0.55 for Qwen3-VL Plus (1.3× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Qwen3-VL Plus has not been scored yet and GLM-4.5-Air has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Qwen3-VL Plus and GLM-4.5-Air yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Qwen3-VL Plus has the largest context window at 262,144 tokens, against 131,072 for GLM-4.5-Air. Maximum output per response: Qwen3-VL Plus up to 32,768, GLM-4.5-Air up to 98,304 tokens.

Which can read images, PDFs, audio or video?

Qwen3-VL Plus accepts text and images; GLM-4.5-Air accepts text. Qwen3-VL Plus handles the widest range of inputs.

Are any of these open source?

GLM-4.5-Air publishes its weights and can be self-hosted; Qwen3-VL Plus is proprietary.

Which is newer?

Qwen3-VL Plus is the newest, released Sep 23, 2025. GLM-4.5-Air came out Jul 28, 2025. Knowledge cutoff: Qwen3-VL Plus Apr 2025, GLM-4.5-Air Apr 2025.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.