DeepSeek Chat
Summary
DeepSeek Chat is an open-weight language model from DeepSeek, released on 1 Dec 2025. It accepts text and generates text, with a 164K-token context window and up to 16K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.26 per million input tokens and $1.03 per million output tokens (OpenRouter), across 1 provider we track.
DeepSeek chat model for instruction following, coding, and analysis
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | DeepSeek |
|---|---|
| Release date | 1 Dec 2025 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [models.dev] |
| Context window | 164K (163,840 tokens) [models.dev] |
| Max output | 16K tokens [models.dev] |
| Knowledge cutoff | Sept 2025 [models.dev] |
| Input | Text [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
| Hugging Face | deepseek-ai/DeepSeek-V3 |
DeepSeek Chat API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter deepseek/deepseek-chat | $0.26 | $1.03 | – | 128K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of DeepSeek Chat?
DeepSeek Chat has a context window of 163,840 tokens (164K) and can generate up to 16,000 tokens in a single response, according to models.dev.
How much does the DeepSeek Chat API cost?
DeepSeek Chat is listed from $0.26 per million input tokens and $1.03 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is DeepSeek Chat open source?
DeepSeek Chat is an open-weight model: its weights are published on Hugging Face as deepseek-ai/DeepSeek-V3. Check the license terms before commercial use.
When was DeepSeek Chat released?
DeepSeek released DeepSeek Chat on 1 Dec 2025, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.