Route difference
The first layer is not brand size. It is user market, protocol entry, model-family coverage, and real call stability.
- Anthropic: global route, 13 Models
- Baidu Wenxin: China route, 5 Models
Provider comparison
Anthropic vs Baidu Wenxin
Start with the provider route, compare model coverage, then use read-only key checking to verify what is actually callable.
Region
global route / China route
global / china
Models
13 / 5
56 providers indexed
Anthropic
Claude 3.5 Haiku · Claude 3.7 Sonnet · Claude 3.7 Sonnet (thinking)
Sample models
Baidu Wenxin
ERNIE 4.5 21B A3B · ERNIE 4.5 21B A3B Thinking · ERNIE 4.5 300B A47B
Sample models
Left provider
Anthropic
anthropic
Regionglobal
Models13
Sample models
Claude 3.5 Haiku
Claude 3.7 Sonnet
Claude 3.7 Sonnet (thinking)
Right provider
Baidu Wenxin
baidu
Regionchina
Models5
Sample models
ERNIE 4.5 21B A3B
ERNIE 4.5 21B A3B Thinking
ERNIE 4.5 300B A47B
Comparison summary
How to judge first
Anthropic and Baidu Wenxin are cross-region routes. Start with the user's market, then verify whether the key can call reliably across regions.
Anthropic has broader catalog coverage, but broader coverage does not mean every key can call every model.
In production, one key should reveal provider identity, callable models, balance or quota signals, limits, and risk notes.
Key checking value
A key may expose only part of the models, interfaces, or regions, so the final call must rely on detection results, not the catalog alone.
- Anthropic: Claude 3.5 Haiku · Claude 3.7 Sonnet · Claude 3.7 Sonnet (thinking)
- Baidu Wenxin: ERNIE 4.5 21B A3B · ERNIE 4.5 21B A3B Thinking · ERNIE 4.5 300B A47B
Procurement and distribution
For procurement, agency, and marketplace listing, provider comparison must end in supply stability, pricing, monitoring, and model updates.
- Do not treat catalog coverage as real sellability.
- Key checking and continuous monitoring are the final commercial loop.