DeepSeek-V3.1 API pricing

Checked 12 Sept 2026 LLMs
$ per 1M input $0.600
$ per 1M output $1.70

Blended at 3:1 input to output: $0.875 per million tokens.

Together AI charges $0.600 per million input tokens and $1.70 per million output tokens. 7 of the models nearest it in price are cheaper on a blended basis.

$0.600
$/1M input
$1.70
$/1M output
128,000
Context window
$66.60
1k req/day, monthly

Against the models nearest in price

Blended at a 3:1 input to output ratio.

Calculator →
DeepSeek-V3.1 against comparable models — checked 12 Sept 2026
Source
DeepSeek-V3.1 This model Together AI $0.600 $1.70 128,000 $0.875

Last checked . Methodology

Questions

How much does DeepSeek-V3.1 cost per million tokens?

$0.600 per million input tokens and $1.70 per million output tokens. At a 3:1 input to output mix that blends to $0.875. Checked 12 Sept 2026.

What would DeepSeek-V3.1 cost for a real workload?

A thousand requests a day at 2,000 input and 600 output tokens each comes to $66.60 a month.

What is the context window for DeepSeek-V3.1?

128,000 tokens of input, with up to 16,384 tokens of output.

gemini-2.5-flash · gemini-2.5-flash-preview-09-2025 · deepseek-v3-0324 · deepseek-v3p1 · deepseek-v3p1-terminus · All Together AI models · Cost calculator