Claude Fable 5 vs GLM-5.3-Flash

A side-by-side comparison of Claude Fable 5 and GLM-5.3-Flash: input/output pricing, capabilities and available endpoints, served live from 932.ai. Both are reachable with the same API key.

Pricing comparison

ItemClaude Fable 5GLM-5.3-Flash
Input (per 1M tokens)$7$0.0825
Output (per 1M tokens)$35$0.275
Cache read explicit (per 1M tokens)$0.7$0.0165
Cache write 5m (per 1M tokens)$8.75

Specifications

ItemClaude Fable 5GLM-5.3-Flash
Context window1,000,0001,048,576
Max output64,000131,072

Capability comparison

ItemClaude Fable 5GLM-5.3-Flash
function_callingYesYes
prompt_cachingYesYes
visionYes

Which should you pick

Which is cheaper, Claude Fable 5 or GLM-5.3-Flash?

On input, GLM-5.3-Flash is cheaper ($7 vs $0.0825 per 1M tokens). On output, GLM-5.3-Flash is cheaper ($35 vs $0.275 per 1M tokens). All prices are per million tokens in USD.

Which has the larger context window, Claude Fable 5 or GLM-5.3-Flash?

GLM-5.3-Flash does — Claude Fable 5 accepts 1,000,000 input tokens and GLM-5.3-Flash accepts 1,048,576.

What can Claude Fable 5 do that GLM-5.3-Flash cannot?

both support function_calling, prompt_caching; only Claude Fable 5 supports vision.

Can I switch between Claude Fable 5 and GLM-5.3-Flash without changing my code?

Yes. Both are available on 932.ai through one API key and the same OpenAI-compatible endpoint — switching means changing the model field from "claude-fable-5" to "glm-5.3-flash", nothing else.

Both are available on 932.ai under one API key — switching between them means changing the model field and nothing else, so you can use each where it fits rather than picking one.

Claude Fable 5 · GLM-5.3-Flash · All models