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Balanced — strong quality at a mid priceOpen Weights
DeepSeek V3.1 Terminus Pricing
DeepSeek · deepseek-deepseek-v3-1-terminus
Input / 1M tokens
$0.270
Output / 1M tokens
$1.00
Context window
163,840 tokens
≈ 218 pages of text
Max output
32,768 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0007
1,000 requests / month$0.724/mo10,000 requests / month$7.24/mo100,000 requests / month$72.40/moEstimate your own workloadOpens the calculator with DeepSeek V3.1 Terminus preloaded — adjust volume and token counts there.
Price history
List price per 1M tokens since we started tracking in Jun 2026. Each step marks a price change — hover a point for the exact date and rate.
What it excels at
Strong performance on coding and mathematical tasks. Supports large context windows with high output capacity at low per-token cost.
The business tradeoff
Quality and latency vary with self-hosted deployment. Smaller ecosystem and fewer managed tooling options than closed API providers.
Cheaper from DeepSeek
Head-to-head
Vendor list rates, as of Jul 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.