GLM-5.2 vs GLM-5.3-Flash

GLM-5.2 (Zhipu) versus GLM-5.3-Flash (Zhipu): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 4.8 Credits / M for GLM-5.2 and 0.48 Credits / M for GLM-5.3-Flash, so GLM-5.3-Flash is 90% cheaper. Context windows are 1M and 1M.

GLM-5.2glm-5.2
Zhipu
Input (prompt)
4.8Credits / M
≈ $0.73
Output (completion)
16.8Credits / M
≈ $2.55
1M context · 128K output40% off
GLM-5.2 details
GLM-5.3-Flashglm-5.3-flash
Zhipu
Input (prompt)
0.48Credits / M
≈ $0.073
Output (completion)
1.68Credits / M
≈ $0.255
1M context · 128K output40% off
GLM-5.3-Flash details
Lower input price
GLM-5.3-Flash
90% cheaper
More exclusive capabilities
GLM-5.3-Flash
Vision, Video, File Input

Specs side by side

Item
GLM-5.2glm-5.2
GLM-5.3-Flashglm-5.3-flash
Input (prompt) · Credits / M4.8≈ $0.730.48≈ $0.073
Output (completion) · Credits / M16.8≈ $2.551.68≈ $0.255
Cache read · Credits / M1.20.138
Context window1M1M
Max output128K128K
7-day uptime—94.2%
Latest probe latency—1.2s
Measured throughput11.9 t/s45.8 t/s
ProtocolsAnthropic MessagesAnthropic Messages / OpenAI Responses
Sample monthly cost (10M in + 2M out)81.6≈ $12.408.16≈ $1.24

Prices are the WandAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from WandAPI probes; a dash means the model is not probed yet.

Capabilities

CapabilityGLM-5.2GLM-5.3-Flash
Function Calling
Reasoning
Prompt Caching
Response Schema
Streaming
Vision
Video
File Input
Audio
Web Search
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, GLM-5.2 or GLM-5.3-Flash?

At the WandAPI default channel price, GLM-5.2 input costs 4.8 Credits / M and GLM-5.3-Flash input costs 0.48 Credits / M, so GLM-5.3-Flash is 90% cheaper. Output and cache prices are in the specs table above.

Which has the larger context window, GLM-5.2 or GLM-5.3-Flash?

GLM-5.2 offers 1M tokens, GLM-5.3-Flash offers 1M tokens.

Can I switch between GLM-5.2 and GLM-5.3-Flash at any time?

Yes. WandAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.

How do the capabilities of GLM-5.2 and GLM-5.3-Flash differ?

Only GLM-5.3-Flash: Vision, Video, File Input. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

GLM-5.2 vs GLM-5.1GLM-5.2 vs GLM-5.3GLM-5.2 vs GLM-5.3-FlashXGLM-5.3-Flash vs GLM-5.1GLM-5.3-Flash vs GLM-5.3GLM-5.3-Flash vs GLM-5.3-FlashX

One API key for both GLM-5.2 and GLM-5.3-Flash

Free credits on sign-up, pay as you go, no monthly fee.

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