DeepSeek V3.1 Terminus
deepseek/deepseek-v3.1-terminusDeepSeek chat model for instruction following, coding, and analysis
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...
Context
128K
128,000 tokens
Max output
16K
16,384 tokens
Input
$0.27
per 1M tokens
Output
$1.00
per 1M tokens
Providers
4
4 listings
Intelligence
14.8
Intelligence Index
Pricing
USD per 1M tokens · listed by Helicone
| Token type | Standard |
|---|---|
| Input | $0.27 |
| Output | $1.00 |
| Cache read | $0.22 |
Lowest input price across providers: $0.25.
Capabilities
ReasoningYes
Effort: none, high
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsNo
Interleaved reasoningNo
Open weightsNo
ModeratedNo
Input
Text
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence14.8#124 of 208
- Coding43.5#67 of 112
- Agentic6.8#59 of 86
- Arena1,147#73 of 128
Rankings
Position on each OneAtlas leaderboard
Providers · 4
4 listings
| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Abacus | deepseek-ai/DeepSeek-V3.1-Terminus | 128K | — | 8K | $0.27 | $1.00 | — | — | — | — | — | Yes | Yes | Unknown | Yes | Jun 1, 2025 |
 Helicone | deepseek-v3.1-terminus | 128K | — | 16K | $0.27 | $1.00 | — | $0.22 | — | — | — | Yes | Yes | Unknown | Yes | Sep 22, 2025 |
 Kilo Gateway | deepseek/deepseek-v3.1-terminus | 164K | — | 147K | $0.27 | $1.00 | — | — | — | — | — | Yes | Yes | Yes | Yes | Sep 22, 2025 |
 NanoGPT | deepseek-ai/DeepSeek-V3.1-Terminus | 128K | 128K | 66K | $0.25 | $0.70 | — | $0.13 | — | — | — | No | Yes | Yes | Unknown | Aug 2, 2025 |