DeepSeek V3.1
DeepSeek · Mid
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Input / 1M
$0.21
Output / 1M
$0.79
Cached input / 1M
$0.13
Context window
163K
Where it sits
93rd-cheapest mid model
by blended $/Mtok among 262 listed mid models
38% below the mid median
blended $/Mtok across 262 mid models
Output costs 3.8× input
$0.21 in / $0.79 out per 1M
Cached input saves 38%
$0.13 vs $0.21 per 1M fresh
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $0.21 | $0.79 | $0.13 | Imported from OpenRouter | openrouter.ai |