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DeepSeek V4 FlashOPEN
DeepSeek V4 Flash (DeepSeek): live API pricing, context window and the best open-source alternatives, tracked daily by OpenSourceAI.tech.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for DeepSeek V4 Flash, measured by Artificial Analysis. Higher is better. Measurement mode: Reasoning, Max Effort.
For the same budget, DeepSeek V4 Flash delivers 38 times more capability. Open weights also mean you can self-host it and pay nothing per token.
About this model
DeepSeek V4 Flash is an open-weight AI model by DeepSeek. You can download and self-host it for free; the prices below are hosted-API list prices, tracked hourly, for when you prefer convenience over self-hosting.
Frequently asked questions
What is DeepSeek V4 Flash?
DeepSeek V4 Flash is an AI language model from DeepSeek. It is open-weight: you can download it and run it on your own hardware, for free. It scores 40.3 on the Artificial Analysis intelligence index.
Is DeepSeek V4 Flash free?
The weights are free and open — you can self-host DeepSeek V4 Flash and pay nothing per token. If you prefer a hosted API, list prices are $0.14 per million input tokens and $0.28 per million output tokens.
What is DeepSeek V4 Flash good at?
Independent benchmarks from Artificial Analysis give it GPQA 89.4%, Humanity's Last Exam 32.1%, Long Context Reasoning 63%, SciCode 44.9%, IFBench 79.2%, τ²-Bench 95%, τ-Bench Banking 22.9%, Terminal-Bench 61.8%, Terminal-Bench Hard 35.6%. It is particularly used for code generation.
How fast is DeepSeek V4 Flash?
It generates about 117.7 tokens per second, with a median 0.92s delay before the first token. Measured independently by Artificial Analysis.
Can I self-host DeepSeek V4 Flash?
Yes. DeepSeek V4 Flash has open weights, so you can download it and run it on your own GPU or server with tools like Ollama, vLLM or llama.cpp — with no per-token cost.
Open-source alternatives
Depending on your workload, an open-weight model that you can self-host may cut costs dramatically or remove per-token pricing entirely. Our comparison pages put this model side by side with the strongest open-source contenders.