GLM-4.5-Flash vs Vision Large
Vision Large comes out ahead, 84 to 31 on our weighted score.
Z.ai (Zhipu)GLM-4.5-Flash
31/100- ECI—
- PriceFree / Free
- Context131K
- Our pick
VisparkVision Large
84/100- ECI—
- Price—
- Context1M
Add a model
Make it a three-way comparison.
Vision Large is our pick
Vision Large is the better all-round choice, scoring 84/100 against GLM-4.5-Flash (31). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. 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-FlashGLM-4.5-Flash Free per 1M tokens (3:1 blend) · Vision Large unpriced
- Longest contextVision LargeVision Large 1,000,000 · GLM-4.5-Flash 131,072 tokens
- Widest inputsVision LargeGLM-4.5-Flash: Text · Vision Large: Text, Images, PDFs, Audio, Video
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | GLM-4.5-Flash | Vision Large |
|---|---|---|---|
| Inputs & features | 60% | 35 | 100 |
| Context window | 40% | 24 | 60 |
| Overall | 100% | 31/100 | 84/100 |
Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | GLM-4.5-FlashZ.ai (Zhipu) | Vision LargeVispark |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | Free | — |
| Output | Free | — |
| Cached input | — | — |
| Blended (3:1) | Free | — |
| Long-context rate | Same rate | — |
| Price source | Official Z.AI API | — |
| Limits | ||
| Context window | 131,072 tokens | 1,000,000 tokens (best) |
| Max output | 98,304 tokens (best) | 65,536 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | Yes |
| PDFs | No | Yes |
| Audio | No | Yes |
| Video | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | Yes |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | glm-4.5-flash | — |
| API providers | 4 | — |
| Released | Jul 28, 2025 | May 15, 2024 |
| Knowledge cutoff | 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.
- GLM-4.5-FlashFree
- Vision Large—
Which should you choose?
Which is better: GLM-4.5-Flash or Vision Large?
Vision Large is the better all-round choice, scoring 84/100 against GLM-4.5-Flash (31). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, GLM-4.5-Flash or Vision Large?
GLM-4.5-Flash is cheaper at Free input / Free output per million tokens (official Z.AI API price). . GLM-4.5-Flash is listed as free. Vision Large has no published per-token price.
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. GLM-4.5-Flash has not been scored yet and Vision Large has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for GLM-4.5-Flash and Vision Large 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?
Vision Large has the largest context window at 1,000,000 tokens, against 131,072 for GLM-4.5-Flash. Maximum output per response: GLM-4.5-Flash up to 98,304, Vision Large up to 65,536 tokens.
Which can read images, PDFs, audio or video?
GLM-4.5-Flash accepts text; Vision Large accepts text, images, PDFs, audio and video. Vision Large handles the widest range of inputs.
Are any of these open source?
No. GLM-4.5-Flash and Vision Large are proprietary and only available through APIs and apps.
Which is newer?
GLM-4.5-Flash is the newest, released Jul 28, 2025. Vision Large came out May 15, 2024. Knowledge cutoff: GLM-4.5-Flash 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.
