DeepSeek V3.1 Terminus
DeepSeek · model · context window 128,000 tokens.
Pricing (per 1M tokens)
Specifications
Intelligence & value
MeasuredWorth it? DeepSeek V4 Flash matches or beats DeepSeek V3.1 Terminus on the overall Arena and costs about $35.00/month versus $72.50/month at 100,000 calls — roughly $37.50/month cheaper.
Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 27 August 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.
Where else you can run DeepSeek V3.1 Terminus
The same model is resold by 10 providers we track. The typical one charges 1.2× what the cheapest does — $0.4530 against $0.3630 per 1M tokens, blended 3:1. Routing the same workload to a different host is often a bigger saving than switching model.
| Provider | Input / 1M | Output / 1M | Blended |
|---|---|---|---|
| NanoGPT | $0.2500 | $0.7000 | $0.3630 |
| Abacus | $0.2700 | $1.00 | $0.4530 |
| Alibaba CN | $0.2700 | $1.00 | $0.4530 |
| Helicone | $0.2700 | $1.00 | $0.4530 |
| Kilo | $0.2700 | $1.00 | $0.4530 |
| Novita AI | $0.2700 | $1.00 | $0.4530 |
| OpenRouter ↗ | $0.2700 | $1.00 | $0.4530 |
| Siliconflow | $0.2700 | $1.00 | $0.4530 |
| Siliconflow CN | $0.2700 | $1.00 | $0.4530 |
| Vercel AI Gateway | $0.2700 | $1.00 | $0.4530 |
Third-party listings via models.dev, not rates we verify with each host the way we do first-party pricing. Treat them as a shortlist to check, not a quote — and confirm quantisation, context limits and rate limits before switching, since a cheaper host is not always serving the same thing.
Estimate cost with DeepSeek V3.1 Terminus
DeepSeek V3.1 Terminus is pre-selected below. Enter your token counts and volume to see the cost per request, per day and per month — then switch models to compare.
Results update automatically as you type.
- Input cost
- $0.000250
- Output cost
- $0.000350
- Per request
- $0.000600
- Per day
- $0.6000
- Per month
- $18.00
Source: community-hosted (cheapest of 10 providers, nano-gpt via models.dev). Prices are re-checked daily against the provider’s official pricing; this rate was last changed on 27 August 2026. A recent date here just means the price is still current, not that it moved.