kitio.aiClaude Platform vs Z.ai API
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Claude Platform starts at See pricing page and Z.ai API starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Messages API
- Managed Agents
- Prompt caching
- Batch processing
- Workbench prompt testing
- GLM flagship and Flash models
- OpenAI-compatible API
- GLM Coding Plans
- Vision models
- Tool calling
| Feature | Claude Platform | Z.ai API |
|---|---|---|
| Best for | Anthropic's developer platform and API for building with Claude models | Pay-per-token API and coding plans for Zhipu's GLM models |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No |
| Made by | Anthropic | Z.ai (formerly Zhipu AI) |
| Based in | United States | China |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Claude Platform starts at See pricing page and Z.ai API starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Claude Haiku 5.5
$0.10 / $0.50 per 1M tokens
- Input / output, prompts up to 100K
- Fastest, lowest-cost model
Claude Sonnet 5.5
$2 / $10 per 1M tokens
- Input / output
- Balanced speed and intelligence
Claude Opus 5.5
$4 / $20 per 1M tokens
- Input / output
- Advanced reasoning and coding
Claude Fable 5.1
$10 / $50 per 1M tokens
- Input / output
- Most capable model
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Claude Platform
- Strong coding and agent models
- Prompt caching cuts costs
- Available on all major clouds
- Higher prices on flagship models
- No image generation models
- Rate limits tied to usage tiers
Z.ai API
- Low cost for strong coding models
- Fixed-price coding plans
- Open weights released
- Less known outside developer circles
- Data processed in China
- Docs can lag releases
Which one should you choose?
Choose Claude Platform if you want:
- Strong coding and agent models
- Prompt caching cuts costs
- Available on all major clouds
Watch out: higher prices on flagship models.
Choose Z.ai API if you want:
- Low cost for strong coding models
- Fixed-price coding plans
- Open weights released
Watch out: less known outside developer circles.
Claude Platform vs Z.ai API FAQ
What is the difference between Claude Platform and Z.ai API?
Claude Platform: Anthropic's developer platform and API for building with Claude models. Z.ai API: Pay-per-token API and coding plans for Zhipu's GLM models. Both are models & apis tools.
Is Claude Platform or Z.ai API cheaper?
Claude Platform starts at See pricing page and Z.ai API starts at See pricing page. Check both pricing pages for current plans.
Do Claude Platform and Z.ai API have free plans?
Claude Platform: No. Z.ai API: No.
Who makes Claude Platform?
Claude Platform is made by Anthropic, based in United States.
Who makes Z.ai API?
Z.ai API is made by Z.ai (formerly Zhipu AI), based in China.
Which should I choose, Claude Platform or Z.ai API?
Choose Claude Platform if you value strong coding and agent models and prompt caching cuts costs. Choose Z.ai API if you value low cost for strong coding models and fixed-price coding plans.