DeepSeek DeepSeek
DeepSeek is a powerful, cost-effective AI model family known for high-performance reasoning and coding capabilities. It offers both proprietary hosted API services and open-weights models under an MIT license.
The official release of the V4-Flash-0731 update significantly improved agent performance through post-training without altering the core architecture. DeepSeek has also issued a notice warning of an upcoming significant increase in overall API pricing.
As of
- 1M token context window
- Dual thinking and non-thinking inference modes
- JSON mode and tool calling support
- Open-weights availability under MIT license
- API compatibility with OpenAI and Anthropic formats
Bounded, non-sensitive tasks such as routine coding drafts, quantitative reasoning, and high-volume API processing where cost efficiency is paramount.
Sensitive or proprietary data, regulated industries, live research requiring grounded citations, or customer-facing applications involving history, politics, or history.
Prepaid model using topped-up balances. V4-Flash costs $0.14/1M input tokens (cache miss), $0.0028/1M (cache hit), and $0.28/1M output tokens. V4-Pro costs $0.435/1M input tokens (cache miss), $0.003625/1M (cache hit), and $0.87/1M output tokens. DeepSeek has announced plans for a significant, unspecified price increase.
An exceptionally affordable and capable frontier-adjacent tool for developers who can independently verify outputs and manage non-sensitive workloads, though it is not a suitable long-term system of record for critical data.
Is DeepSeek free?
DeepSeek is Paid. Prepaid model using topped-up balances. V4-Flash costs $0.14/1M input tokens (cache miss), $0.0028/1M (cache hit), and $0.28/1M output tokens. V4-Pro costs $0.435/1M input tokens (cache miss), $0.003625/1M (cache hit), and $0.87/1M output tokens. DeepSeek has announced plans for a significant, unspecified price increase. Check the official site for current plans.
What is DeepSeek best for?
Bounded, non-sensitive tasks such as routine coding drafts, quantitative reasoning, and high-volume API processing where cost efficiency is paramount.
Who makes DeepSeek?
DeepSeek is developed by DeepSeek. It is listed in the General-Purpose AI Assistants (with Strong Coding Capability) category on ai.dosa.dev.
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