Get DeepSeek V3 and R1 API access instantly. 100% OpenAI-compatible endpoint. No Chinese phone number, no KYC, no minimum deposit.
All models accessible via the same OpenAI-compatible endpoint
671B MoE parameters. State-of-the-art general purpose LLM. Best for coding, writing, analysis, and everyday tasks.
$0.40/M input tokens • $1.20/M output
671B MoE with reasoning. Chain-of-thought reasoning model. Best for math, logic, programming, and complex problem solving.
$0.55/M input tokens •
Latest DeepSeek V3 variant. Enhanced coding capabilities and stronger frontend development skills.
$0.40/M input tokens • $1.20/M output
BestAPI vs OpenAI — see how much you save
100% OpenAI compatible. Just change the endpoint.
from openai import OpenAI
client = OpenAI(
api_key="sk-your-bestapi-key",
base_url="https://api.bstbst.com.cn/v1"
)
response = client.chat.completions.create(
model="deepseek-v3",
messages=[{"role": "user", "content": "Explain quantum computing in simple terms"}]
)
print(response.choices[0].message.content)import OpenAI from 'openai';
const client = new OpenAI({
apiKey: 'sk-your-bestapi-key',
baseURL: 'https://api.bstbst.com.cn/v1'
});
const response = await client.chat.completions.create({
model: 'deepseek-v3',
messages: [{ role: 'user', content: 'Explain quantum computing' }]
});
console.log(response.choices[0].message.content);curl https://api.bstbst.com.cn/v1/chat/completions -H "Content-Type: application/json" -H "Authorization: Bearer sk-your-bestapi-key" -d '{
"model": "deepseek-v3",
"messages": [{"role": "user", "content": "Hello DeepSeek!"}]
}'Real prices. Real quality.
| Model | Provider | Input $/M | Output $/M | Context | OpenAI Compatible |
|---|---|---|---|---|---|
| DeepSeek V3 | BestAPI | $0.40 | $1.20 | 128K | Yes |
| GPT-4o | OpenAI | $2.50 | $10.00 | 128K | Native |
| Claude 3.5 Sonnet | Anthropic | $3.00 | $15.00 | 200K | No |
| Gemini 2.0 Flash | $0.10 | $0.40 | 1M | Partial |
DeepSeek V3 consistently ranks top-3 in coding benchmarks (HumanEval, MBPP) at 1/6 the cost of GPT-4o.
DeepSeek V3 matches or exceeds GPT-4o on coding benchmarks (HumanEval 92.1% vs 90.2%) and scores competitively on MMLU, math, and reasoning tasks. For most production use cases, V3 delivers equivalent quality at 1/6 the cost.
Yes. Our API supports full OpenAI features: streaming responses, function calling, JSON mode, and vision capabilities. Your existing OpenAI code works without modification.
No. BestAPI handles the DeepSeek API connection on our end. You only need to register on our platform with an email address and top up via credit card (USD).
V3 is a general-purpose model optimized for speed and cost. R1 is a reasoning model that "thinks" before answering — better for math, logic puzzles, and complex programming tasks.
No hard rate limits. We scale with demand. For high-volume production use, contact us for custom pricing and dedicated capacity.
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