DeepSeek: DeepSeek V3.1 Terminus
Listed on OpenRouter as deepseek/deepseek-v3.1-terminus since Sep 22, 2025. 139 snapshot observations, 11 repricings.
$0.45per 1M blended · $0.27 in / $1.00 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 6 days (since Oct 3, 2026)
All-time low$0.35Mar 19, 2026
All-time high$0.48Sep 29, 2026
Change since first seen+0.0%$0.45 on Sep 22, 2025
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Oct 3, 2026 | $0.27 | $1.00 | $0.45 | -4.7% |
| Sep 29, 2026 | $0.30 | $1.00 | $0.48 | +5.0% |
| Aug 18, 2026 | $0.27 | $1.00 | $0.45 | +2.8% |
| Aug 13, 2026 | $0.27 | $0.95 | $0.44 | -2.8% |
| Jul 15, 2026 | $0.27 | $1.00 | $0.45 | +2.8% |
| Jun 14, 2026 | $0.27 | $0.95 | $0.44 | +23.9% |
| Mar 23, 2026 | $0.21 | $0.79 | $0.36 | +0.7% |
| Mar 19, 2026 | $0.21 | $0.78 | $0.35 | -0.7% |
| Dec 6, 2025 | $0.21 | $0.79 | $0.36 | -1.9% |
| Nov 30, 2025 | $0.22 | $0.80 | $0.36 | -8.9% |
| Oct 1, 2025 | $0.23 | $0.90 | $0.40 | -12.2% |
| Sep 22, 2025 | $0.27 | $1.00 | $0.45 | first observation |
Where it is listed today
Current listed rates across the sources LLMPI compares. The cheapest blended row is highlighted; lower price never implies identical terms, speed, or quality.
| Source | Input | Output | Blended | Listing ID |
|---|---|---|---|---|
| OpenRouter Pricing evidence | $0.27 | $1.00 | $0.45 | deepseek/deepseek-v3.1-terminus |
| Nous Portal Provider catalog (not exact listing evidence) | $0.27 | $1.00 | $0.45 | deepseek/deepseek-v3.1-terminus |
Evidence and scope
- Source
- OpenRouter public model listing
- Archive
- Wayback Machine snapshots of that listing (weekly-grade, from July 2023) plus LLMPI's own daily snapshots since June 2026
- Last observed
- Oct 9, 2026
- Data
- history.json (CC BY 4.0)
This is the listed standard text-token rate for one OpenRouter listing ID. It does not normalize caching, batch discounts, long-context tiers, providers behind the listing, or model quality. A price can also move because OpenRouter's default route changed provider.