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Baichuan AI Free API Guide

Baichuan AI has a tracked free API path, with 500万 tokens and rate limit notes of 5 RPM.

Open official provider → Get one OpenAI-compatible key → Compare API gateway options →

Quick verdict

Free API: 500万 tokens
Rate limits: 5 RPM
Best model starting point: Baichuan 4
Mainland China access: direct or relatively friendly

Provider fit matrix

Best fit Fast provider evaluation, prototypes, and fallback routing

Watch out Free credits and rate limits can change without warning

Production fallback Keep at least one compatible backup provider before shipping

Baichuan API buyer intent notes

Who should care

Best for China-access Chinese-language apps, teams testing Baichuan4-Air with signup tokens, and developers who want an OpenAI-compatible domestic fallback.

Decision trigger

Shortlist Baichuan when 5M signup tokens, direct mainland access, and strong Chinese enterprise text quality are more important than global ecosystem breadth.

Watch out: Confirm current platform onboarding, 5 RPM trial throttles, exact model names, and whether production traffic needs extra account verification.

Baichuan pricingTrial tokens, limits, and paid checks Baichuan China accessDirect-access snapshot DeepSeek vs QwenBenchmark domestic API alternatives

Production readiness checklist

Quota gate Start inside 500万 tokens; log usage before adding retries or batch jobs.

No-card check Try the free path first, then confirm whether billing is required for API keys, higher RPM, or production endpoints.

Regional smoke test Still run one request from your deployment region and from mainland China if users are there.

Source freshness Snapshot date: 2026-06-16; official quota and pricing can change without notice.

Python setup snapshot

Start with the smallest possible chat completion, then move the key to your server-side secret manager before production.

from openai import OpenAI
client = OpenAI(api_key="your-key", base_url="https://api.baichuan-ai.com/v1")
response = client.chat.completions.create(
    model="Baichuan4-Air", messages=[{"role": "user", "content": "你好！"}])
print(response.choices[0].message.content)

cURL smoke test

Use this to verify endpoint, auth header, model name, response shape, and quota before adding SDK abstractions.

curl https://api.baichuan-ai.com/v1/chat/completions \
  -H "Authorization: Bearer $BAICHUAN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "Baichuan 4",
    "messages": [{"role": "user", "content": "Hello from yangmao.ai"}]
  }'

Free API and pricing notes

500万 tokens

5M tokens free on signup

Access and production risk

Mainland China friendly / direct path likely

Chinese platform, direct access.

Decision checklist

Check Baichuan AI free credits and rate limits.

Compare same-category providers and Mainland China access needs.

Pick the provider with the clearest no-card/free API path for testing.

Baichuan AI production validation table

Use this table before sending real users, scheduled agents, or paid traffic to Baichuan AI. The goal is to validate source freshness, quota behavior, regional access, and fallback needs instead of trusting a stale free-credit claim.

Check Pass condition If it fails

Signup and billing state Key creation works and the account can spend the recorded 500万 tokens. Compare Baichuan AI alternatives or route through a gateway before inviting users.

First request from target region A minimal request succeeds from your deployment region and mainland-China test point if relevant. Do not ship cron jobs or public demos until latency, DNS, TLS, and auth are repeatable.

Quota, retry, and error shape Rate-limit behavior matches the current 5 RPM note or official dashboard values. Cap retries, add request logging, and keep a second route for 429/5xx bursts.

Cost per accepted task Real prompts stay within your target token, query, image-credit, or compute budget. Use cheaper primary routes, caching, shorter prompts, or fallback only after validation failure.

Credit-change alerts

Want to know when free credits, pricing, or availability changes? Subscribe first, then compare official providers, API gateways, and alternatives.

Subscribe → Get an OpenLLMAPI key → Compare API gateways →

Source snapshot

Data source: yangmao.ai provider YAML tracker plus provider docs reviewed by the daily crawler. Official dashboards can change quota and pricing without notice; verify before production.

yangmao.ai provider id: baichuan
Official source: https://www.baichuan-ai.com
Last updated: 2026-06-16
Free tier: No explicit limit
API credits: 500万 tokens
Rate limit: 5 RPM
Access note: Chinese platform, direct access.

FAQ

Does Baichuan AI have a free API?

Yes. Current yangmao.ai record: 500万 tokens. Rate limit note: 5 RPM.

Is Baichuan AI OpenAI-compatible?

The recorded setup uses an OpenAI-compatible pattern or SDK-style call. Validate the latest base URL and model names in Baichuan AI docs.

Can I use Baichuan AI from mainland China?

Baichuan AI is marked as relatively direct or Mainland-China-friendly in the current tracker.

What should I do when Baichuan AI credits run out?

Compare the alternatives below, check /en/free-ai-api/, and shortlist official providers or API gateway options before production.

Who should test Baichuan API first?

Test Baichuan first when your workload is Chinese-heavy, China-hosted, and can fit inside the signup-token/low-RPM validation phase before paid traffic.