Compare / Models
Claude Fable 5 vs GLM-Legal
Price, context window and capabilities side by side, read from the same catalog that meters your calls, not from a press release.
Only Claude Fable 5 declares vision. Only Claude Fable 5 declares tool calling.
At a glance
Side by side
Anthropic
Anthropic's first Mythos-class model, the new flagship tier above Opus, tuned for the hardest reasoning and agentic work.
Z.ai
Z.ai's legal model, built on GLM-5.3-Flash, for contract review, evidence analysis and compliance. API access by application for now.
Specifications
Every difference we can measure
| Claude Fable 5 | GLM-Legal | |
|---|---|---|
| Vision | Yes | No |
| Tool calling | Yes | No |
A row appears only when we hold the fact for both models. Anything the provider has not published is left out rather than guessed, so an empty row is missing data and never a zero.
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FAQ
Frequently asked questions
What is the difference between Claude Fable 5 and GLM-Legal?
Only Claude Fable 5 declares vision. Only Claude Fable 5 declares tool calling. Both run on the same endpoint and the same key here, so trying each is a one-line change to the model id.
Which is cheaper, Claude Fable 5 or GLM-Legal?
Claude Fable 5 is, on input tokens. Output usually dominates the bill on generative work, so check the output row above against your own ratio of prompt to completion before deciding.
Can I switch between Claude Fable 5 and GLM-Legal without changing my code?
Yes. Both are OpenAI-compatible through one CompanyFabric key, so switching is the model string and nothing else, no second SDK, no second contract, one prepaid balance across both.
Do I have to choose?
No. Send companyfabric/auto and we route each request to the cheapest model that can serve it, which is how most people use both without deciding in advance.
One key. Every model. Exact prices.
Run Claude Fable 5 and GLM-Legal on the same key and compare them on your own prompts. Free starter credits included, no subscription required.