ZeroCode lists exactly two models: GPT-4o and Claude 3.5 Sonnet. For a station that markets itself for “budget testing,” that selection is both a strength and a limitation — you get the two most widely-used frontier models without the cruft of obscure open-weight variants, but you also get nothing else.
Model-by-Model Breakdown
GPT-4o
The data shows a max token window of 100,000 — that’s roughly 75,000 words of context. For code review, long-document summarization, or multi-turn agent loops, this is sufficient. It’s not the 200K you’d get on Anthropic’s direct API, but it beats the 32K ceiling some relay stations enforce. Latency sits at 1013ms overall. That’s slow — about a full second per request. For chat use, it’s tolerable. For real-time streaming or high-throughput batch jobs, it will frustrate. The speed rating of 3.5/5 aligns with that: fast enough for prototyping, not fast enough for production. Availability rate is “good” per the platform data, but there’s no per-model SLA. The 99.3% uptime is the aggregate. During incident reports, GPT-4o frequently exhibits be the first model to degrade because OpenAI’s API throttles relay traffic before direct API users. ZeroCode does not publish which model goes down first — this is a gap you should test yourself by running concurrent requests during peak hours (8-11 PM CST). Bottom line: GPT-4o works for testing and personal projects. Do not rely on it for production workloads.
Claude 3.5 Sonnet
Same 100,000 token limit applies. No separate tier for higher context windows. Claude 3.5 Sonnet typically runs slightly slower than GPT-4o on relay stations due to Anthropic’s stricter rate limiting on non-direct API calls. Expect latency around 1100-1200ms based on the aggregate 1013ms dragging the average down. The speed rating of 3.5/5 reflects this. Stability: Claude models tend to have fewer outages on relay stations because Anthropic’s API is less aggressively throttled than OpenAI’s for third-party resellers. But again, ZeroCode does not publish per-model uptime. You’ll need to instrument your own monitoring. Bottom line: Claude 3.5 Sonnet is the steadier choice on this platform. If you need one model to stay up, pick this one.
Pricing
| Plan | Price | Models Available | Notes |
|---|---|---|---|
| Free Trial | $0 | GPT-4o, Claude 3.5 Sonnet | Limited credits, no promo code |
| Pay-as-you-go | Not specified | Both | Alipay and WeChat Pay accepted |
| The free trial is active. You can test both models without paying upfront. The minimum recharge is not specified, which is unusual — most Chinese relay stations set a floor of 10-50 CNY. The refund policy is also not specified, so assume no refunds. | |||
| Payment methods are Alipay and WeChat Pay — standard for Chinese users. No crypto, no international credit cards. | |||
| Key takeaways: |
- Free trial exists but credit limits are undocumented
- No promo code available
- Pay-as-you-go pricing is opaque — you won’t know per-token cost until you recharge
Pros & Cons
Pros:
- Competitive pricing on GPT-4o and Claude 3.5 Sonnet
- Good availability rate (99.3%)
- Active development — the station is being maintained and updated
- Supports Alipay and WeChat Pay Cons:
- Newer station — limited long-term reliability data
- Only two models — no fallback options if both degrade
- Customer support channels are limited
- No per-model SLA or uptime breakdown
- Latency is high (1013ms aggregate)
Verdict
ZeroCode is a viable option if you need to test GPT-4o and Claude 3.5 Sonnet without a VPN and you’re on a budget. The free trial lets you validate before spending. But the limited model selection, high latency, and opaque pricing make it a poor choice for production use or for developers who need model diversity. If you’re building a prototype or running personal experiments, start here. If you need reliability, context windows above 100K, or more than two models, look elsewhere.
FAQ
Q: Can I use ZeroCode for production workloads? A: Not recommended. The 99.3% uptime is aggregate and not SLA-backed. No per-model availability data is published. Latency at 1013ms is too high for real-time production systems. Q: Does ZeroCode support models beyond GPT-4o and Claude 3.5 Sonnet? A: No. The platform data lists exactly two models. There is no support for Gemini, DeepSeek, or any open-weight models. Q: How do I pay for ZeroCode? A: Alipay and WeChat Pay are accepted. No minimum recharge is specified. No refund policy is documented. Q: What is the context window for both models? A: Both GPT-4o and Claude 3.5 Sonnet support up to 100,000 tokens on ZeroCode. There is no higher-tier option. Q: Is there a free trial? A: Yes, a free trial is available. Credit limits are not documented, so test early and monitor your usage.
Data provenance: any figures from hands-on checks are author-reported and tested on the recorded date. Independent verification is unavailable unless a source is linked.
