DeepSeek V3.1 Terminus
DeepSeek · Open weights · Released Sep 22, 2025 · deepseek/deepseek-v3.1-terminus
Best $0.27 in / $1.00 out via SiliconFlow · fp8
164K contextToolsReasoningStructured outputOpen weights
Available from 2 providersUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 24 HOURS AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
| $0.27 | $1.00 | — | 164K | fp8 | ✕ | ✕ | 96.9% | |
| $0.343 | $1.03 | — | 128K | — | ✕ | ✕ | 100.0% |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 24 hours ago
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Recent changesRSS ↗
Oct 6, 2026endpoint removed · atlascloud3 → 2
Sep 29, 2026endpoint removed · novita4 → 3
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 output147,456
Modalities intext
Modalities outtext
LicenseOpen weights
ReleasedSep 22, 2025
Knowledge cutoff2025-03-31
TokenizerDeepSeek
WeightsHugging Face ↗
Open weights
safetensors
Related
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[](https://modelindex.ai/models/deepseek/deepseek-v3.1-terminus)Sources
OpenRouter API23 minutes ago
AGGREGATORHugging Face23 minutes ago
COMMUNITYModelIndex benchmarks17 days ago
MEASUREDVerified 23 minutes ago · list prices, not negotiated rates.