DeepSeek V3.1 specs, prices, where it runs and its benchmark standing

Name: DeepSeek V3.1
Author: DeepSeek

open weights · top 10 on 0 of 1 · released Aug 21, 2025

Provider: DeepSeek
Release date: Aug 21, 2025; Pricing
Parameters: 685B total; Hugging Face
Modalities: Text to Text; OpenRouter
License: MIT; Hugging Face
Context window: 164K tokens; Pricing
Pricing: $0.25 in / $0.95 out per 1M tokens; All prices
Hosting: 4 priced API routes · AWS Bedrock (8 regions) · OpenRouter · self-host: weights on Hugging Face; Pricing Regions
Hardware: Estimate: about 689 GB of weights as published (F8 E4M3), about 685 GB at 8-bit, about 342 GB at 4-bit, plus memory for the context; Hugging Face config
Weights: Open weights
Benchmarks: 1 board captured

Rank	Board	Category	Score	Of	Over time
35	MMLU-ProReasoning · stale since 2026-03-11 · as “DeepSeek-V3.1-Thinking”	Reasoning	84.8%	100

Versions and release history

4 versions in this line since Sep 5, 2024, from Pricing, OpenRouter and the boards.

Category ranks, more models and catalog changes