DeepSeek
DeepSeek V3.1 Terminus (Reasoning)
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-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...
DeepSeek release notesModel Snapshot
ReleaseSep 22, 2025
Context131,072
Overall
Rank #133 across 566
30.4
Coding
Rank #103 across 222
43.5
Blended Price
Rank #231 across 371
$1.91/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Max Output32,768
Streaming speed is not measured for this model yet.
Pricing
Blended$1.91/M
Input$1.64/M
Output$2.75/M
Metadata
Modalities
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 30.4 | #133 |
| Artificial Analysis Coding Index | coding | 43.5 | #103 |
| Artificial Analysis Math Index | math | 89.7 | #27 |
| MMLU-Pro | reasoning | 85.1% | #34 |