Pick models by use case
21 business use cases, each with recommended models, a reference architecture, sample code and a monthly cost at live prices. One API key covers every model.
Prices updated Nov 13, 2026, 5:48 PM
Build knowledge-base Q&A (RAG) with Embeddings, Rerank and a chat model: recommended models with live prices, a 6-step reference architecture, a monthly cost estimate for 30,000 questions and Python sample code.
Total (per month)
¥388.57
Build AI customer service: a small model routes intents, embeddings search your knowledge base, a chat model streams the reply and hard cases go to a human. Recommended models with live prices, a reference architecture, a cost estimate for 80,000 replies a month and Python code.
Total (per month)
¥310.82
Generate product descriptions and marketing copy at volume: a low-cost chat model drafts, a stronger model spot-checks and polishes. Recommended models with live prices, a concurrency-and-retry workflow, a cost estimate for 20,000 items a month and Python code.
Total (per month)
¥151.68
Turn contracts, invoices, scans and tables into structured JSON: a vision model reads images, a text model handles long contracts, and code validates every field. Recommended models with live prices, the extraction flow, a cost estimate for 15,000 documents a month and Python code.
Total (per month)
¥177.6
Translate product pages, help docs and UI copy with LLMs: a glossary in the system prompt, long documents translated paragraph by paragraph, and a stronger model reviewing key content. Recommended models with live prices, a cost estimate for about 4 million Chinese characters a month and Python code.
Total (per month)
¥96.8
Produce product scene shots, background swaps and ad creatives with image generation and image editing models, with a chat model writing the prompts. Per-image live prices, the workflow, a cost estimate for 500 new products a month and Python code.
Total (per month)
¥1,002
Label text at volume with a cheap small model, send low-confidence items to a model from another vendor, then spot-check by hand. Recommended models with live prices, the labeling workflow, a cost estimate for 500,000 items a month and Python code.
Total (per month)
¥68.24
University labs and research teams compare models from several vendors and run literature search with one API key: recommended models with live prices, a reproducible logging method, a monthly budget estimate, invoicing and Python code.
Total (per month)
¥235.88
Add AI features to your SaaS product: one API key per tenant with spending limits and allowlists, automatic fallback to a second model, and per-key reconciliation. Recommended models with live prices, a cost estimate for 300,000 calls a month and Node.js code.
Total (per month)
¥1,496
Transcribe meetings and calls with speech-to-text, turn transcripts into minutes with a chat model, and read notices aloud with text-to-speech. Recommended models with live prices, the workflow, a cost estimate for 200 hours of audio a month and Python code.
Total (per month)
¥735.18
Let business users query data in plain language: an LLM writes SQL from your schema, code validates it and a read-only user runs it, then a model explains the result. Models with live prices, architecture, monthly cost and Python code.
Total (per month)
¥394.66
Build AI agents and automated workflows: a small model returns schema-checked JSON, a main model calls your tools, side effects wait for human approval and every step is logged. Models with live prices, Dify and n8n setup, monthly cost and Python code.
Total (per month)
¥331
LLM-assisted moderation of user-generated text and images: explicit labels, a vision model for images, a human review queue for uncertain cases and people handling appeals. Models with live prices, the workflow, monthly cost and Python code.
Total (per month)
¥188.64
Produce marketing videos in batches: a chat model writes storyboards and prompt templates, an image model makes key frames and covers, a video model animates the key frames, and people review before publishing. Per-call live prices, the workflow, cost per asset and Python code.
Total (per month)
¥1,602
Assist contract review with LLMs: extract key clauses, flag risky clauses against your playbook, compare versions and summarize for business owners. Models with live prices, the workflow, a cost estimate and Python code. Not legal advice.
Total (per month)
¥40.72
Assist recruiting and HR with LLMs: parse resumes into fields, check candidates against written criteria, draft interview questions and answer handbook questions. Models with live prices, the workflow, cost and Python code. People make hiring decisions.
Total (per month)
¥61.19
Use LLMs in education and corporate training: question banks from your material with answers checked by a second vendor’s model, rubric-based grading help and a course assistant, with teachers in the loop. Models with live prices, cost and Python code.
Total (per month)
¥346.44
Assist sales teams with LLMs: CRM notes from call transcripts, follow-up email drafts, lead scoring against explicit criteria and nightly note cleanup, with one key per team for cost tracking. Models with live prices, cost and Python code.
Total (per month)
¥71.26
Evaluate the quality, cost and latency of many LLMs on one test set: fixed prompts and parameters, model IDs and dates logged, rule-based and judge-model scoring, concurrency within rate limits. Models with live prices, cost per run and Python code.
Total (per month)
¥775.68
Code interview transcripts, open survey answers and social media posts against a codebook with LLMs, plus sentiment and topics: every code quotes the source and is checked in code, and a sample is compared with human coders. Models with live prices, workflow, cost and Python code.
Total (per month)
¥124.3
Use LLMs to read papers you are entitled to use: extract research questions, methods, data and results with the source sentence for each, checked in code, build comparison tables, and search a reading list with the knowledge-base pattern. No ghostwriting, no invented citations.
Total (per month)
¥23.88
