DeepSeek Chat API
DeepSeek's free conversational model. Optimized for chat and dialogue applications. Great for customer support bots and interactive experiences.
💰 Save up to 70% vs official DeepSeek pricingTechnical Specifications
| Provider | DeepSeek |
| Model Family | DeepSeek Chat |
| Release Date | 2026-05 |
| Context Window | 128K |
| Max Output Tokens | 32,768 |
| Input Price | $0.27 / 1M tokens |
| Output Price | $1.10 / 1M tokens |
| Vision Support | No |
| Function Calling | No |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
DeepSeek Chat is DeepSeek's current deepseek-class AI model, released in 2026-05. DeepSeek's free conversational model. Optimized for chat and dialogue applications. Great for customer support bots and interactive experiences.
With a 128K context window and maximum output of 32,768 tokens, DeepSeek Chat is well-suited for always-free chat and good conversational ability. At $0.27/1M input and $1.10/1M output, it offers extremely competitive pricing within the DeepSeek ecosystem.
DeepSeek Chat supports 3 capabilities: Conversation, Streaming, Chat. Fine-tuning is not available for this model. The model serves as an always-free chat solution for developers building text-based AI applications.
Through AI API Hub, you can access DeepSeek Chat with USDT & USDC payments, no credit card required. All via a fully OpenAI-compatible API — just change your base URL and start building in 30 seconds.
API Examples
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.apiyihe.org/v1"
)
response = client.chat.completions.create(
model="deepseek-chat",
messages=[
{"role": "user", "content": "Hello"}
]
)
print(response.choices[0].message.content)JavaScript / Node.js
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_KEY,
baseURL: "https://api.apiyihe.org/v1"
});
const response = await client.chat.completions.create({
model: "deepseek-chat",
messages: [
{ role: "user", content: "Hello" }
]
});
console.log(response.choices[0].message.content);cURL
curl https://api.apiyihe.org/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "deepseek-chat",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Supported Features
| Vision / Image Input | ❌ Not Available |
| Audio / Voice Input | ❌ Not Available |
| Function Calling | ❌ Not Available |
| JSON Mode | ❌ Not Available |
| Streaming | ✅ Supported |
| Fine-Tuning | ❌ Not Available |
| Multimodal | ❌ Not Available |
Benchmark Scores
| Benchmark | Score |
|---|---|
| MMLU | Not Publicly Available |
| GPQA | Not Publicly Available |
| SWE-Bench | Not Publicly Available |
| HumanEval | Not Publicly Available |
| GSM8K | Not Publicly Available |
| MATH | Not Publicly Available |
| MMMU | Not Publicly Available |
Pricing History
DeepSeek Chat was released in 2026-05 by DeepSeek and is currently publicly available via AI API Hub.
Current Pricing: $0.27 per 1M input tokens · $1.10 per 1M output tokens. Pay-as-you-go with no minimum commitment.
Pricing Model: Token-based billing (pay per use). No subscription fees. No hidden costs.
💡 DeepSeek occasionally updates pricing. AI API Hub reflects current pricing in real-time. All prices in USD. Pay with USDT or USDC — no currency conversion fees.
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Frequently Asked Questions
What is DeepSeek Chat?
DeepSeek Chat is DeepSeek's current deepseek model. DeepSeek's free conversational model. Optimized for chat and dialogue applications. Great for customer support bots and interactive experiences.. It features a 128K context window, supports Conversation, Streaming, Chat, and is available through AI API Hub with USDT/USDC payments.
How much does DeepSeek Chat cost?
DeepSeek Chat pricing: $0.27 per 1M input tokens, $1.10 per 1M output tokens. Pay-as-you-go with no minimum commitment. Sign up at AI API Hub and start with as little as $5.
DeepSeek Chat vs GPT-5.5?
DeepSeek Chat: $0.27/$1M input, 128K context. GPT-5.5: $5.00/$1M input, 256K context. DeepSeek Chat is more cost-effective. Always-free chat. Compare them at /compare/deepseek-chat-vs-gpt-5.5/.
DeepSeek Chat context window?
DeepSeek Chat has a 128K context window, capable of processing up to 128,000 tokens in a single request. Maximum output tokens: 32,768.
Does DeepSeek Chat support function calling?
No, DeepSeek Chat does not natively support function calling. For function calling use cases, consider DeepSeek's flagship models.
Is DeepSeek Chat multimodal?
No, DeepSeek Chat is a text-only model. For multimodal use cases, consider models with vision/audio capabilities.
DeepSeek Chat API rate limits?
DeepSeek Chat rate limits: 10K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider DeepSeek's faster variant models.
How to access DeepSeek Chat API?
Access DeepSeek Chat through AI API Hub: (1) Register at api.apiyihe.org/register?aff=8JZC, (2) Deposit USDT/USDC, (3) Get your API key instantly, (4) Use the OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model name "deepseek-chat". Start building in under 30 seconds.