1
OpenAI API
Official API 不属于Third-party中转Service，但可作为价格和API设计的基准参照。
Pay-as-you-go预付或账单EnterpriseVerified 2026-05-10
Ranking list
Billing透明度较高的 AI API Service
本页优先展示公开价格页、扣费规则和费用组成更容易核对的Service。排序不代表Service质量或稳定性，只表示公开信息更便于用户做Cost Estimator。
2
OpenRouter
Suitable for developers wanting multi-model access via a single OpenAI-compatible endpoint. Prices, providers and available models change frequently. Verify model pages before integration.
Pay-as-you-goBalance Top-upFree TierVerified 2026-05-10
3
Fireworks AI
Pricing Page把 Serverless token、GPU 时长和训练 token 分开Description，适合需要比较不同部署Method的用户。
Pay-as-you-goFree TierEnterpriseVerified 2026-05-10
4
DeepSeek API
Billing docs clearly state token prices, cache hit rules and balance deduction. Confirm current model names and top-up availability before integration.
Pay-as-you-goBalance Top-upCache BillingVerified 2026-05-10
5
Anthropic Claude API
Official Claude API pricing includes input, output, cache and batch dimensions. Calculate each separately when estimating costs.
Pay-as-you-goCache BillingBatch DiscountVerified 2026-05-10
6
Amazon Bedrock
Suitable for teams already on AWS to manage multiple foundation models. Verify pricing by region, model and invocation type.
Pay-as-you-goBatch DiscountProvisioned ThroughputVerified 2026-05-10
7
阿里云Bailian Model Studio
适合需要 Qwen、DashScope 或阿里云账户体系的团队。费用项较多，接入前应分项核对。
Pay-as-you-goFree Tier预付资源Verified 2026-05-10
8
View详情
9
Google Gemini API
适合直接接入 Gemini。需要特别关注Free层、付费层和 Google Cloud 账单边界。
Pay-as-you-goFree TierEnterpriseVerified 2026-05-10
10
Perplexity API
适合需要搜索增强能力的应用。费用不只来自Model token，也可能来自搜索请求。
Pay-as-you-go请求费用token BillingVerified 2026-05-10
11
SiliconFlow
适合希望使用 DeepSeek、Qwen、GLM 等Model的中文开发者。Model价格和可用性应以当前页面为准。
Pay-as-you-goBalance或账单EnterpriseVerified 2026-05-10
12
Mistral AI La Plateforme
适合直接使用 Mistral Model，尤其是对欧洲供应方和部署区域有要求的团队。
Pay-as-you-goSubscription PlanEnterpriseVerified 2026-05-10
13
Anyone.ai
Provider docs show a unified AI model gateway, OpenAI SDK compatible endpoint, model pricing page and top-up instructions. Real-time prices, account limits and data processing boundaries need to be verified on the current page.
Pay-as-you-goBalance Top-upModel Pricing or Multiplier BillingVerified 2026-05-10
14
APIAI
Provider pages show multi-model API service, pricing page and documentation center. This site only lists accessible endpoints without evaluating stability or pricing.
Pay-as-you-goAccount BillingFree TrialVerified 2026-05-10
15
RunAPI
Provider pages show API proxy platform, pricing page, documentation and model list. Specific models, costs and rules should be verified on the provider's current page.
Pay-as-you-goAccount BillingVerified 2026-05-10