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GLM-4.7-FlashX vs GLM-5.2

Detailed pricing comparison and cost analysis.

Updated August 2026

Cost Simulator

GLM-4.7-FlashX Cost
$0.15
GLM-5.2 Cost
$2.28
GLM-4.7-FlashX is 93% cheaper
FeatureGLM-4.7-FlashXGLM-5.2
ProviderZhipu AIZhipu AI
Input Price (1M)$0.07$1.40
Output Price (1M)$0.40$4.40
Context Window202,7521,000,000

Verdict

GLM-4.7-FlashX costs $0.07 per 1M input tokens and $0.40 per 1M output tokens. GLM-5.2 costs $1.40 per 1M input tokens and $4.40 per 1M output tokens. GLM-4.7-FlashX is 95% cheaper on input tokens than GLM-5.2. For output tokens, GLM-4.7-FlashX is the more affordable option at $0.40/1M vs $4.40.

On context window, GLM-5.2 supports 1,000,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose GLM-4.7-FlashX

  • ✓ You need the lowest input token cost ($ 0.07/1M)
  • ✓ Your workload is output-heavy — GLM-4.7-FlashX generates text cheaper
  • ✓ You are already integrated with Zhipu AI

When to choose GLM-5.2

  • ✓ You need a larger context window (1,000,000 tokens)
  • ✓ You are already integrated with Zhipu AI

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is GLM-4.7-FlashX cheaper than GLM-5.2?

GLM-4.7-FlashX is cheaper on input tokens at $0.07/1M vs $1.40/1M for GLM-5.2 — a 95% saving.

What is the context window of GLM-4.7-FlashX vs GLM-5.2?

GLM-4.7-FlashX has a 202,752-token context window. GLM-5.2 has a 1,000,000-token context window. GLM-5.2 supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: GLM-4.7-FlashX or GLM-5.2?

The best choice depends on your use case. For cost efficiency on input tokens, GLM-4.7-FlashX is the cheaper option. For maximum context length, GLM-5.2 supports 1,000,000 tokens. Use the comparison table above to find the right fit for your workload.