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DeepSeek V3.1 TerminusOPEN
DeepSeek V3.1 Terminus (DeepSeek): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for DeepSeek V3.1 Terminus, measured by Artificial Analysis. Higher is better. Measurement mode: Reasoning.
For the same budget, DeepSeek V3.1 Terminus delivers 2.6 times more capability. Open weights also mean you can self-host it and pay nothing per token.
About this model
DeepSeek V3.1 Terminus 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 V3.1 Terminus?
DeepSeek V3.1 Terminus 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 30.4 on the Artificial Analysis intelligence index.
Is DeepSeek V3.1 Terminus free?
The weights are free and open — you can self-host DeepSeek V3.1 Terminus and pay nothing per token. If you prefer a hosted API, list prices are $0.27 per million input tokens and $1 per million output tokens.
What is DeepSeek V3.1 Terminus good at?
Independent benchmarks from Artificial Analysis give it GPQA 79.2%, MMLU-Pro 85.1%, Humanity's Last Exam 15.2%, Long Context Reasoning 65%, LiveCodeBench 79.8%, SciCode 40.6%, AIME 2025 89.7%, IFBench 57%, τ²-Bench 37.1%, τ-Bench Banking 15.9%, Terminal-Bench 44.9%, Terminal-Bench Hard 30.3%. It is particularly used for code generation.
Can I self-host DeepSeek V3.1 Terminus?
Yes. DeepSeek V3.1 Terminus 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.