DeepSeek: DeepSeek V3.1
Listed on OpenRouter as deepseek/deepseek-chat-v3.1 since Aug 25, 2025. 145 snapshot observations, 11 repricings.
$0.43per 1M blended · $0.25 in / $0.95 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 22 days (since Sep 17, 2026)
All-time low$0.30Dec 15, 2025
All-time high$0.83Aug 22, 2026
Change since first seen+21.4%$0.35 on Aug 25, 2025
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Sep 17, 2026 | $0.25 | $0.95 | $0.43 | -48.5% |
| Sep 4, 2026 | $0.55 | $1.65 | $0.83 | +94.1% |
| Sep 2, 2026 | $0.25 | $0.95 | $0.43 | -48.5% |
| Aug 22, 2026 | $0.55 | $1.65 | $0.83 | +94.1% |
| Jul 14, 2026 | $0.25 | $0.95 | $0.43 | +19.7% |
| Jun 14, 2026 | $0.21 | $0.79 | $0.36 | +18.3% |
| Dec 15, 2025 | $0.15 | $0.75 | $0.30 | -14.3% |
| Oct 31, 2025 | $0.20 | $0.80 | $0.35 | -22.7% |
| Oct 20, 2025 | $0.27 | $1.00 | $0.45 | +29.3% |
| Oct 1, 2025 | $0.20 | $0.80 | $0.35 | -20.0% |
| Sep 11, 2025 | $0.25 | $1.00 | $0.44 | +25.0% |
| Aug 25, 2025 | $0.20 | $0.80 | $0.35 | 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 | $0.25 | $0.95 | $0.43 | deepseek/deepseek-chat-v3.1 |
| DeepInfra Pricing evidence | $0.25 | $0.95 | $0.43 | deepseek-ai/DeepSeek-V3.1 |
| Nous Portal Provider catalog (not exact listing evidence) | $0.25 | $0.95 | $0.43 | deepseek/deepseek-chat-v3.1 |
| Together Provider catalog (not exact listing evidence) | $0.60 | $1.70 | $0.88 | deepseek-ai/DeepSeek-V3.1 |
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.