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 pricingDeepSeek Chat — cheaper than the official DeepSeek API
Access DeepSeek Chat through AI API Hub and pay less per token. Same OpenAI-compatible endpoint, lower cost.
Technical 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 model, released in 2026-05. DeepSeek's free conversational model. Optimized for chat and dialogue applications. Great for customer support bots and interactive experiences.
For developers, the headline numbers are a 128K context window and up to 32,768 output tokens per response — enough headroom for always-free chat and good conversational ability without chunking your input. Priced at $0.27/1M input and $1.10/1M output, it sits in the budget tier — ideal for high-volume pipelines where token cost dominates.
On the capability side, DeepSeek Chat exposes 3 features: Conversation, Streaming, Chat. Note that fine-tuning isn't supported — you'll work with the base model. It's text-only, so route image or audio workloads elsewhere.
The practical appeal of routing DeepSeek Chat through AI API Hub is simplicity: one OpenAI-compatible endpoint, USDT & USDC payments, no credit card, and you're calling the API in under 30 seconds — just swap your base URL.
What Makes DeepSeek Chat Different
How DeepSeek Chat is used
DeepSeek Chat is used for general-purpose text tasks — chat, summarization, drafting, classification, and extraction. It handles the standard text-in/text-out case reliably. For specialized workloads (coding, reasoning, vision), a purpose-tuned sibling may perform better.
Pricing position within DeepSeek
DeepSeek Chat sits in the middle of DeepSeek's pricing at $0.27/1M input — 33% below the lineup average ($0.23 cheapest, $0.70 most expensive). 1 sibling cost less, 2 cost more. This mid-tier positioning makes it a sensible default when you're unsure which variant to pick.
DeepSeek Chat's role in the lineup
Within DeepSeek's lineup, DeepSeek Chat is a mid-tier option — balanced between cost and capability. The deepseek family has 5 active variants, and DeepSeek Chat occupies the lower end. This makes it a safe default for production workloads where you're not sure which tier to pick.
Real-world use cases
Real-world deployments: customer support chatbots, content drafting and summarization, classification pipelines, and extraction workflows. DeepSeek Chat handles the standard text-in/text-out case reliably — route specialized tasks (vision, coding, reasoning) to purpose-tuned siblings.
vs sibling models
What makes DeepSeek Chat different from sibling models: compared to DeepSeek V4 Pro ($0.28/1M more expensive, same 128K context); DeepSeek V4 Flash ($0.00/1M cheaper, same 128K context); DeepSeek V3.2 ($0.04/1M cheaper, same 128K context). Choose DeepSeek Chat when a balanced cost-to-capability ratio fits your workload.
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.
Compare Alternatives
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 offers a 128K context window and supports Conversation, Streaming, Chat. You can access it through AI API Hub using USDT or USDC — no credit card required.
How much does DeepSeek Chat cost?
DeepSeek Chat is priced at $0.27 per 1M input tokens and $1.10 per 1M output tokens, billed pay-as-you-go with no minimum. Through AI API Hub you can start with as little as $5 and scale from there.
DeepSeek Chat vs GPT-5.5?
They're built for different jobs. DeepSeek Chat costs $0.27/1M input with a 128K window; GPT-5.5 runs $5.00/1M input with 256K. DeepSeek Chat is the more cost-effective pick and still brings always-free chat. See the full side-by-side 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.