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LLM Price Index

DeepSeek V3.1 Terminus

DeepSeektext → textHugging Face OpenRouter

The cheapest provider for DeepSeek V3.1 Terminus is SiliconFlow at $0.453 per 1M tokens (blended), charging $0.27 per 1M input and $1.00 per 1M output tokens. 3 providers serve it; the most expensive charges 1.14× as much. Context window: 160K tokens. Prices tracked since Oct 3, 2026.

Best price
$0.453
at SiliconFlow
Input / output
$0.27 / $1.00
per 1M tokens
Providers
3
1.14× spread
7 days
—
best price
30 days
—
best price
Context
160K
tokens

Providers

Active offers ranked by blended price. Bars are relative to the most expensive.

  • SiliconFlowCheapest
    $0.453
    $0.27 in · $1.00 out
    best
    160K ctx98.7% uptimefp8
  • AtlasCloud
    $0.475
    $0.30 in · $1.00 out
    +5%
    128K ctx99.3% uptimefp8
  • StreamLake
    $0.514
    $0.343 in · $1.03 out
    +14%
    125K ctx99.6% uptime−40% discount
Blended = (3 × input + output) / 4.

Price history

Hover to compare providers at any point in time. Click a legend item to hide it.

USD per 1M tokens · each step is a price change
Not enough history yet
Tracking since Oct 3, 2026. The chart fills in as new crawls arrive every 6 hours.

Other pricing

Cache, reasoning and per-call fees. Token rates per 1M; others per unit.

Offered byCache read
AtlasCloud$0.135

Change log

Every recorded change for this model since Oct 3, 2026.

No changes yet
Tracking since Oct 3, 2026. Price changes, new providers and delistings will show up here.

About this model

DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...
Released
Sep 22, 2025
First tracked
Oct 3, 2026
Canonical slug
deepseek/deepseek-v3.1-terminus
Weights
deepseek-ai/DeepSeek-V3.1-Terminus