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DeepSeek · model

DeepSeek V3.1 Terminus

$0.27/1M in · $0.95/1M out · 164K context. That's cheaper than 60% of the 298 models we track, by output price. Here's what it costs, how its price has moved, and where it fits.

output price · per 1M tokens
$0.95
input $0.27/1M · routed
Context
164K
Input / 1M
$0.27
Output / 1M
$0.95
Modality
Text only
Provider
DeepSeek
Tokenizer
DeepSeek

Snapshot · source: OpenRouter ↗ · how we measure →

cost at a typical workload
$176 / mo

For 1,500 input + 500 output tokens across 200,000 requests/month. That's 29× the cheapest tracked option (Ling-2.6-flash, $6.00/mo).

Tune the workload in the calculator →

output price history
output / 1M

Flat at $0.95 since tracking began 2026-06-14. Full history →

Where it fits

  • A mid-range option — $0.27 in / $0.95 out per 1M with a 164K-token context.

Watch for

  • Priced from OpenRouter's routed market, not a first-party list price — availability and rate can shift without notice.
  • Text-only — no image, audio, or file input.

These notes are derived from price, context and modality — structural facts, not measured quality. Measured cost-to-finish-a-task lives on the real-cost index.

Related models

DeepSeek V4 Pro DeepSeek · $0.87/1M out · 1.0M DeepSeek V3 DeepSeek · $0.80/1M out · 131K R1 Distill Llama 70B DeepSeek · $0.80/1M out · 128K DeepSeek V3.1 DeepSeek · $0.79/1M out · 164K MiniMax M2.1 MiniMax · $0.95/1M out · 205K Qwen3 Coder Flash Qwen · $0.97/1M out · 1M

See how the leading models compare head-to-head →

How to read DeepSeek V3.1 Terminus's pricing

Two numbers decide most of the bill: $0.27/1M for input (everything you send — prompt, context, attachments) and $0.95/1M for output (everything it generates, including hidden reasoning tokens). Output is priced 3.5× the input rate here, so the shape of your workload — how much it reads versus writes — matters as much as the headline figure. This row is OpenRouter's routed market price; it can move as providers and routing change.

Frequently asked questions

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

DeepSeek V3.1 Terminus is priced at $0.27 per 1M input tokens and $0.95 per 1M output tokens, from OpenRouter's routed market price as of the 2026-06-15 snapshot. Output is the figure that usually drives the bill. Enter your own token volumes in the cost calculator for a monthly estimate.

What is DeepSeek V3.1 Terminus's context window?

DeepSeek V3.1 Terminus has a 164K-token context window — roughly 246 pages of text. Prompt, attachments, conversation and the model's own output all share that budget, and every token you send is billed at the input rate.

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