Review verified API promotions, deadlines, quota units and official terms.
Recurring free quotas, trial credits and limited-time promotions have different eligibility and expiry rules. Only officially reviewed API offers are included here; in-product AI access is listed separately.
An accessible website, registration eligibility and a successful call from a mainland server are separate checks. No live API call was performed by this comparison. Missing conditions remain unknown.
Only offers active under the reviewed rules are shown. Unknown amounts and dates are not filled in as zero.
| Provider / offer | Access / quota | Eligibility / expiry | Checks | Evidence |
|---|---|---|---|---|
| Volcengine Ark collaboration rewards for authorized usage火山方舟活动 | API · promotion First authorization may receive a model-specific starter pack; amounts depend on the console. | conditional Qualifying usage earns next-day packs valid 30 days; the collection cap is not an unconditional grant. Claim deadline: Unknown | Official mainland eligibility: supported API call: not tested Checked: 2026-11-06T08:01:35.577Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| SenseNova U1.5 Lite Public Beta Free Quota商汤 / 日日新 活动监控 | API · event 1,500 requests every 5 hours, free during the public beta. sensenova-u1.5-lite | zeroClaim deadline: Unknown | Official mainland eligibility: unknown API call: not tested Checked: 2026-11-12T00:00:51.528Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Bailian Decision Model Preview Limited-Time Free Access百炼活动公告 | API · promotion Both China (Beijing) 2 and Singapore are marked as limited-time free. decision-model-preview | zeroClaim deadline: Unknown | Official mainland eligibility: supported API call: not tested Checked: 2026-11-13T00:00:45.174Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Ant Ling 20 CNY token credit for new or upgraded accounts蚂蚁百灵计费升级免费券公告 | API · promotion One CNY 20 token voucher per billing account, not cash; applicable to all models. | conditional New users receive it after registration; existing billing accounts receive one after upgrade. Valid 60 days after actual delivery. Claim deadline: Unknown | Official mainland eligibility: supported API call: not tested Checked: 2026-11-13T00:00:08.928Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| iFLYTEK Spark-X2.5-4B temporarily free讯飞星辰 Spark-X2.5-4B 限免价格 | API · promotion Inference input, output and cache show zero cost per million tokens; no fixed grant is stated. | zeroClaim deadline: Unknown | Official mainland eligibility: supported API call: not tested Checked: 2026-11-13T00:00:27.542Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Unisound U2 Decision temporarily free云知声 U2 免费模型活动 | API · promotion Model page says temporarily free; no fixed token amount is published. u2-decision | zeroClaim deadline: Unknown | Official mainland eligibility: supported API call: not tested Checked: 2026-11-13T00:01:08.265Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Unisound U2 Flash temporarily free云知声 U2 免费模型活动 | API · promotion Unlimited free calls during the campaign, not unlimited concurrency. u2-flash | zero Official page says both new and existing users qualify. Claim deadline: Unknown | Official mainland eligibility: supported API call: not tested Checked: 2026-10-30T08:01:47.574Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Spark-X2.6-4B Limited-Time Free API科大讯飞 / 星火 活动监控 | API · promotion Input, output, and cached inference are all CNY 0 per million tokens. | zeroClaim deadline: Unknown | Official mainland eligibility: unknown API call: not tested Checked: 2026-11-10T00:00:40.385Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Token Pass credit now applies automatically to included model usage through AI GatewayVercel AI 活动监控 | API · promotion | unknown Applies to usage of models included in AI Gateway; specific claim eligibility is not stated. Claim deadline: Unknown | Official mainland eligibility: unknown API call: not tested Checked: 2026-11-09T17:25:37.743Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| 20% off Kling 4.0Runway · 活动监控 | API · discount | paid The discount applies through November 30, 2026. Claim deadline: Unknown | Official mainland eligibility: unknown API call: not tested Checked: 2026-11-09T10:14:14.990Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| ElevenLabs Startup Grants ProgramElevenLabs · 活动监控 | API · event 12 months free, with 33,000,000 characters. | conditional For applicants building intelligent, real-time conversational AI agents into a new product or startup. Claim deadline: Unknown | Official mainland eligibility: unknown API call: not tested Checked: 2026-11-12T20:35:17.528Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
| Free voices for real-time ultra-natural speech synthesis中国电信 / 天翼 AI 活动监控 | API · promotion Multiple voices are provided free of charge, but no quota is stated. | zeroClaim deadline: Unknown | Official mainland eligibility: unknown API call: not tested Checked: 2026-11-13T00:01:02.775Z | Official terms ↗ Card requirement: see original terms; unknown unless explicit |
Choose by task: UCloud AstraFlow for multi-model API access; Alibaba Cloud for AI and cloud product offers, AI coding and agent tools, Meoo app creation, the OPC toolkit, Aidge ecommerce content and application deployment; Tencent Cloud for WorkBuddy, speech recognition and international cloud resources; Novita AI for model APIs, GPU cloud and agent sandboxes. Check the exact model ID, region, account eligibility and billing on each product page before integrating.
| Service | Use case | Features and conditions | Product entry |
|---|---|---|---|
| Alibaba Cloud AI and cloud product offersCloud products and offers | Model and agent selection, application deployment and cloud resources | Explore model services, AI coding and agent tools, application deployment and cloud resources through Alibaba Cloud's product offers hub. Eligibility, credits, billing and expiry vary by product and offer. | View product ↗ |
| Alibaba Cloud MeooApplication creation tool | AI application creation and prototyping | An AI application creation tool for turning requirements into application prototypes. In-product AI capabilities are separate from standalone model APIs. Check product terms for allowances, publishing and billing. | View product ↗ |
| Alibaba Cloud OPC startup toolkitProduct directory | Solo businesses and independent development | A collection of cloud tools for solo businesses and independent developers. Confirm features, regions and eligibility for each tool. The directory does not provide one shared allowance for all products. | View product ↗ |
| Alibaba Cloud Aidge for ecommerceEcommerce AI service | Ecommerce translation and product content | AI services for cross-border ecommerce, including translation and product content optimization. Check supported languages, content types, interfaces and plans against the official product information. | View product ↗ |
| Alibaba Cloud AI application deployment offersApplication deployment offers | AI application deployment and cloud resources | Explore cloud resources and offers for building and deploying AI applications. Deployment resources and model calls may be billed separately. Confirm images, resource specifications and offer dates on the current page. | View product ↗ |
| Tencent Cloud WorkBuddyAI office application | Team AI workspace and collaboration | An AI workspace for teams, office collaboration and AI-assisted work. Team plans are priced per person per month. Check current availability and purchase eligibility on the offer page. | View product ↗ |
| Tencent Cloud speech recognitionSpeech service API | Speech transcription and voice applications | Cloud speech-to-text services for voice applications and transcription workflows. Introductory offers have new-user eligibility and purchase limits. Check package capacity, expiry and overage billing. | View product ↗ |
| Tencent Cloud international offersInternational cloud product offers | International cloud resources and application deployment | Browse cloud product promotions and deployment resources on Tencent Cloud's international site. Confirm international account eligibility, region, currency and new-user conditions. This is not a universal discount for all model APIs. | View product ↗ |
| UCloud AstraFlowMulti-model API platform | Multi-model API integration and switching | UCloud's multi-model service. Its product page describes access to 200+ models with a shared API key and OpenAI-compatible integration. Follow the platform's registration and identity verification process. Model versions, regions, credits and prices depend on its catalog and your account. | View product ↗Register ↗ |
| Novita AI Model APIs and GPU CloudModel APIs, GPU cloud and agent sandboxes | Multi-model APIs, GPU deployment and agent runtimes | Novita AI provides LLM, image, video and audio APIs, GPU cloud and agent sandboxes. Its LLM endpoints support OpenAI-compatible integration. Check the exact model ID, endpoint, service region, account eligibility and current pricing for the chosen product. Confirm model API, GPU and agent sandbox billing separately. | View product ↗ |