Claude Fable 5 vs GLM 5.2

Price, context and benchmark scores side by side — every number from the live model catalogue.

Claude Fable 5anthropic GLM 5.2z-ai
Input / 1M tokens $10.00 $0.741
Output / 1M tokens $50.00 $2.33
1M in + 300K out $25.00 $1.44
Context window 1M 1.0M
Intelligence index 59.9 51.1
Coding index 76.5 68.8
Agentic index 52.8 43.1
Cheapest provider Azure StreamLake
Providers serving it 4 29
Weights Closed Open
Image input Yes No
Tool calling Yes Yes
Reasoning mode Yes Yes
Released Jun 9, 2026 Jun 16, 2026

Which one to pick

Pick Claude Fable 5 if…

  • You want the higher general-intelligence score (59.9).
  • Code quality is the priority — it leads on the coding index (76.5).
  • You are running agent loops — higher agentic index (52.8).

Pick GLM 5.2 if…

  • Token cost matters: $2.33 per 1M output vs $50.00.
  • You need the bigger context window (1.0M).
  • You want the option to self-host — weights are public.
  • You want provider redundancy: 29 providers serve it.

FAQ

Is Claude Fable 5 better than GLM 5.2?

Claude Fable 5 scores higher on general intelligence (59.9 vs 51.1), while GLM 5.2 is 21× cheaper per output token ($2.33 vs $50.00). For code, Claude Fable 5 leads (76.5 coding index). GLM 5.2 takes the larger context at 1.0M.

Which is cheaper, Claude Fable 5 or GLM 5.2?

GLM 5.2, at $2.33 per 1M output tokens versus $50.00. On a 1M input + 300K output workload that is $1.44 against $25.00.

Can I self-host Claude Fable 5 or GLM 5.2?

Claude Fable 5: closed weights, API only. GLM 5.2: open weights (zai-org/GLM-5.2).

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