Qwen Flash vs GLM-4.5V
Qwen Flash comes out ahead, 68 to 49 on our weighted score, and it is the cheaper option too.
- Our pick
Alibaba (Qwen)Qwen Flash
68/100- ECI—
- Price$0.05 / $0.40
- Context1M
Z.ai (Zhipu)GLM-4.5V
49/100- ECI—
- Price$0.60 / $1.80
- Context64K
Add a model
Make it a three-way comparison.
Qwen Flash is our pick
Qwen Flash is the better all-round choice, scoring 68/100 against GLM-4.5V (49). It leads on price and context window. GLM-4.5V wins on inputs & features. 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 priceQwen FlashQwen Flash $0.138 · GLM-4.5V $0.90 per 1M tokens (3:1 blend)
- Longest contextQwen FlashQwen Flash 1,000,000 · GLM-4.5V 64,000 tokens
- Widest inputsGLM-4.5VQwen Flash: Text · GLM-4.5V: Text, Images, Video
- Self-hostingGLM-4.5VPublishes downloadable weights
| Measure | Weight | Qwen Flash | GLM-4.5V |
|---|---|---|---|
| Price | 50% | 91 | 52 |
| Inputs & features | 30% | 35 | 70 |
| Context window | 20% | 60 | 12 |
| Overall | 100% | 68/100 | 49/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Qwen FlashAlibaba (Qwen) | GLM-4.5VZ.ai (Zhipu) |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.05 (best) | $0.60 |
| Output | $0.40 (best) | $1.80 |
| Cached input | — | — |
| Blended (3:1) | $0.138 (best) | $0.90 |
| Long-context rate | Same rate | Same rate |
| Price source | Official Alibaba API | Official Z.AI API |
| Limits | ||
| Context window | 1,000,000 tokens (best) | 64,000 tokens |
| Max output | 32,768 tokens (best) | 16,384 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | Yes |
| PDFs | No | No |
| Audio | No | No |
| Video | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Proprietary | Open |
| API model ID | qwen-flash | glm-4.5v |
| API providers | 6 | 11 (best) |
| Released | Jul 28, 2025 | Aug 11, 2025 |
| Knowledge cutoff | Apr 2024 | Apr 2025 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Qwen Flash$1.30
- GLM-4.5V$9.60
Which should you choose?
Which is better: Qwen Flash or GLM-4.5V?
Qwen Flash is the better all-round choice, scoring 68/100 against GLM-4.5V (49). It leads on price and context window. GLM-4.5V wins on inputs & features. 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, Qwen Flash or GLM-4.5V?
Qwen Flash is cheaper at $0.05 input / $0.40 output per million tokens (official Alibaba API price). GLM-4.5V costs $0.60 input / $1.80 output per million tokens (official Z.AI API price). At a typical mix of three input tokens to one output token, that is $0.138 per million tokens for Qwen Flash versus $0.90 for GLM-4.5V (6.5× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Qwen Flash has not been scored yet and GLM-4.5V has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Qwen Flash and GLM-4.5V 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?
Qwen Flash has the largest context window at 1,000,000 tokens, against 64,000 for GLM-4.5V. Maximum output per response: Qwen Flash up to 32,768, GLM-4.5V up to 16,384 tokens.
Which can read images, PDFs, audio or video?
Qwen Flash accepts text; GLM-4.5V accepts text, images and video. GLM-4.5V handles the widest range of inputs.
Are any of these open source?
GLM-4.5V publishes its weights and can be self-hosted; Qwen Flash is proprietary.
Which is newer?
GLM-4.5V is the newest, released Aug 11, 2025. Qwen Flash came out Jul 28, 2025. Knowledge cutoff: Qwen Flash Apr 2024, GLM-4.5V 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.
