DeepSeek V3.1 Terminus
DeepSeek · Open weights · Released Sep 22, 2025 · deepseek/deepseek-v3.1-terminus
164K contextToolsReasoningStructured outputPrompt cachingOpen weights
Available from 4 providersUSD / MTOK · VERIFIED 4 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 Novita | $0.27 | $1.00 | $0.135 | 131K | fp8 | 2.4s | 33 tok/s | 100.0% |
 SiliconFlow | $0.27 | $1.00 | — | 164K | fp8 | 1.7s | 20 tok/s | 94.0% |
| ATAtlasCloud | $0.30 | $0.95 | $0.13 | 131K | fp8 | 1.9s | 75 tok/s | 99.9% |
| STStreamLake | $0.343 | $1.03 | — | 128K | — | 1.5s | 66 tok/s | 99.9% |
TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 44 hours ago
Pricing variants · USD / MTok in / out
STANDARD
$0.27 / $1.00
per MTok in / out
CACHE READ $0.135
About
DeepSeek-V3.1 Terminus is an update to DeepSeek 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...
Specifications
Context window163,840
Max output32,768
Modalities intext
Modalities outtext
LicenseOpen weights
ReleasedSep 22, 2025
Knowledge cutoff2025-03-31
TokenizerDeepSeek
WeightsHugging Face ↗
Open weights
safetensors
Related
Embed badge
[](https://modelindex.ai/models/deepseek/deepseek-v3.1-terminus)Sources
OpenRouter API4 minutes ago
AGGREGATORHugging Face4 minutes ago
COMMUNITYModelIndex benchmarks44 hours ago
MEASUREDVerified 4 minutes ago · list prices, not negotiated rates.