APIKEY.FUN vs Block AI (b.ai) — API Comparison
Head-to-head comparison of pricing, features, and use case fit. Updated July 10, 2026.
⚡ Verdict: APIKEY.FUN wins on China accessibility and Claude Code support; BAI wins on crypto infrastructure and Agent economics.
💰 Pricing Comparison
| Metric | APIKEY.FUN | Block AI (b.ai) |
|---|---|---|
| Input Price | 主流模型，价格约为官方 API 的 60-80% | 主流模型 + 0-10% 加价（如 GPT-4o $2.5→$2.75/M） |
| Output Price | 主流模型，价格约为官方 API 的 60-80% | 主流模型 + 0-10% 加价 |
| China Access | ✅ Direct access in China | ✅ Direct access in China |
| Free Tier | ||
| Models | 50+ | 150+ |
| Overall Rank | #15 | #13 |
🤖 Supported Models
APIKEY.FUN
Block AI (b.ai)
✨ Pros
APIKEY.FUN
- ✓ Direct China access to overseas models
- ✓ Pricing 20-40% below official rates
- ✓ Prepaid usage-based billing
- ✓ Includes Midjourney image generation
- ✓ Developer-friendly
Block AI (b.ai)
- ✓ One key for GPT-4o / Claude / Gemini overseas models
- ✓ Direct China access, no proxy required
- ✓ Developer-friendly, easy integration
- ✓ Access overseas models without VPN
- ✓ API Key distribution model, suitable for reselling
⚠️ Cons
APIKEY.FUN
- × Service stability needs long-term observation
- × Less transparent than official platforms
- × Aggregation latency higher than direct connections
- × Limited free credits
- × Compliance and data security need user evaluation
Block AI (b.ai)
- × Platform information opaque, lacks public data
- × Overseas models with markup may cost more
- × Limited free credits
- × Minimal documentation and community support
- × Long-term stability questionable (proxy business model risk)
🎯 Best For
APIKEY.FUN
China-based developers needing affordable overseas model access; all-in-one API including image generation
Block AI (b.ai)
Developers in China who can't use VPN but need overseas models; API Key resellers
❓ FAQ
Which is cheaper, APIKEY.FUN or Block AI (b.ai)? ▼
APIKEY.FUN — Input: 主流模型，价格约为官方 API 的 60-80%, Output: 主流模型，价格约为官方 API 的 60-80%. Block AI (b.ai) — Input: 主流模型 + 0-10% 加价（如 GPT-4o $2.5→$2.75/M）, Output: 主流模型 + 0-10% 加价.
Which is better for China access? ▼
APIKEY.FUN: ✅ Direct access in China. Block AI (b.ai): ✅ Direct access in China.
What is the overall verdict? ▼
APIKEY.FUN wins on China accessibility and Claude Code support; BAI wins on crypto infrastructure and Agent economics.