Zhipu BigModel GLM Flash logo

Zhipu BigModel GLM Flash

LLM 4.8/10

Zhipu AI's BigModel open platform exposes permanently free GLM 'Flash' models (GLM-4.5-Flash, GLM-4.7-Flash, GLM-4.6V-Flash vision) with no credit card required.

Zhipu BigModel GLM Flash scores 4.8/10 for free value in LLM. The main constraint: Permanently free Flash-series models (text and vision) with no card; limited to 1 concurrent request per model on the free tier. Paid GLM models also available.

Category LLM Kind Hosted first-party LLM API (permanently free models) Caveats Only the Flash-tier models are permanently free and they cap at 1 concurrent request; distinct from Zhipu's paid GLM coding plan; primarily China-region platform. Renewal monthly Card required No Eligibility anyone

Free value score

4.8 / 10
Show the math
Model Quality 6.1/10
value = 34 artificial_analysis_score
weighted score = 0.5 * 6.1/10
Concurrency 1/10
value = 1 parallel
weighted score = 0.25 * 1/10
Access 6/10
value = 6/10
weighted score = 0.25 * 6/10

Key metrics

GLM-4.7-Flash 34 Best model
1 concurrent Concurrency
Yes Commercial use

Models

8 free · 39 total
Model Family AA Access
GLM-4.7-Flash GLM 33.8 free
CogVideoX-Flash GLM — free
CogView-3-Flash GLM — free
GLM-4-Flash-250414 GLM — free
GLM-4.1V-Thinking-Flash GLM — free
GLM-4.5-Flash GLM — free
GLM-4.6V-Flash GLM — free
GLM-4V-Flash GLM — free
GLM-5.2 GLM 51.1 paid
GLM-5.1 GLM 40.2 paid
GLM-5 GLM 39.5 paid
GLM-5-Turbo GLM 38.1 paid
GLM-5V-Turbo GLM 34.5 paid
GLM-4.7 GLM 33.8 paid
GLM-4.7-FlashX GLM 33.8 paid
GLM-4.6 GLM 23 paid
GLM-4.5-Air GLM 16.5 paid
CharGLM-4 GLM — paid
CodeGeeX-4 GLM — paid
CogVideoX-3 GLM — paid
CogView-4 GLM — paid
Embedding-2 GLM — paid
Embedding-3 GLM — paid
GLM-4-FlashX-250414 GLM — paid
GLM-4-Long GLM — paid
GLM-4-Voice GLM — paid
GLM-4.1V-Thinking-FlashX GLM — paid
GLM-4.5 GLM — paid
GLM-4.5-AirX GLM — paid
GLM-4.5V GLM — paid
GLM-4.6V GLM — paid
GLM-ASR-2512 GLM — paid
GLM-Image GLM — paid
GLM-Realtime GLM — paid
GLM-TTS GLM — paid
GLM-TTS-Clone GLM — paid
Rerank GLM — paid
Vidu 2 Other — paid
Vidu Q1 Other — paid

What you get

Permanent free tier (not a finite trial) for GLM Flash models

Includes a free vision model (GLM-4.6V-Flash)

No credit card required

First-party from Zhipu AI (open.bigmodel.cn)

Limitations

  • Primarily China-region platform

    The open.bigmodel.cn platform is primarily aimed at China-region developers; non-China users may face slower latency, Chinese-language documentation, and occasional regional access friction.

Sources

llm-api china glm free-tier vision
Open service Source ← All LLM